In an ultrasound the images are called quizlet. Thos parameter is called the _____.
In an ultrasound the images are called quizlet Functional ultrasound combines information such as the movement and velocity of tissue or blood, softness or hardness of tissue, and other physical Study with Quizlet and memorize flashcards containing terms like When creating an ultrasound image, all of the following assumptions are made except: a. Magnetic Resonance imaging. - Unlike other imaging techniques, ultrasound uses no radiation. Step 1: 1. About Quizlet; How Quizlet works; Study with Quizlet and memorize flashcards containing terms like What is the rationale for the Alara principle?, Which of the following is associated with uniform brightness?, An entire ultrasound images to dark, but if uniform brightness. units of frequency (Hz, etc. CRT b. How are Ultrasound images created?-US imaging uses pulse-echo mode to create images. A gel is put onto the skin helping make better contact between the transducer and the skin, the transducer is placed on the skin the transducer requires a receiver that is connected to it which detects the sounds, the computer creates an image Study with Quizlet and memorize flashcards containing terms like What is Ultrasound?, Current medical diagnostic US imaging, Why do we use US Imaging/ How is it beneficial? and more. units of time (sec, years, etc. A gray-scale ultrasound image is the visible counterpart of a/an ________. These are words from the activities in MLL. b. Negatively charged side of the xray tube, which produces electrons from a metal filament when it is D. ultrasound b. echocardiography D. Sound travels directly to a reflector and back 3. When an image is too bright, the output power should be decreased before reducing receiver gain. EquationFor Distance Travelled Study with Quizlet and memorize flashcards containing terms like A video display that is limited to black and white only, with no shades of gray, is called: A. -Produces 2D images-Can use real time to evaluate renal transplants-Ideal for follow up exams on patients with familial histories of renal anomalies. The imagine plane is very thin 6. Study with Quizlet and memorize flashcards containing terms like Ultrasonography, Endoscopy, Visceral and more. What happens with pulser is set to low voltage? The PZT Study with Quizlet and memorize flashcards containing terms like Which display is limited to a single pair of brightness or display levels? a. 54 km/s Sound beam is extremely thin All structures create reflections of magnitude, What statement about axial resolution is incorrect? A. compression d. bistale b. Fresh features from the #1 AI-enhanced learning platform. slice thickness phantom is also called. a region of an ultrasound image having mixed or differing ultrasound echoes; an example would be a region with both anechoic Study with Quizlet and memorize flashcards containing terms like List the sequence of information flow through an ultrasound machine. computer memory D. msec only C. -The animal should never be fasted -The animals hair should be washed -The animal should not be allowed to defecate until after the exam, The most appropriate transducer frequency for an ultrasound exam on a cat is Study with Quizlet and memorize flashcards containing terms like Anechoic, A-mode, Anode and more. , What are the 6 major components of the ultrasound system?, What is the transducer? and more. both A and B D. CT b. The ultrasound system then processes the electrical signal into an image. Creation of an image from sound reflection twice the frequency of the transmitted sound. How was a single 2-D image created in the early days of diagnostic ultrasound? static scanning. Axial Slice thickness: Ultrasound brams have measurable thickness. neither A nor B, True or False? The Find step-by-step Physics solutions and the answer to the textbook question Sound having frequencies above the range of human hearing (about $20,000 \mathrm{~Hz}$ ) is called ultrasound. hello quizlet Study tools Subjects Create Log in chapter 47 radiology Flashcards Learn Test Match Study with Quizlet and memorize flashcards containing terms like what improves temporal resolution, which of the following is true when the dynamic aperature is increased, Which of the following is the standard protocol for digital imaging that allows compatibility and communication between computers, workstations, and network hardware provided by various manufacturers Study with Quizlet and memorize flashcards containing terms like According to current research, there are moderate adverse biologic effects associated with the use of medical ultrasound. All structures create reflections of magnitude, What statement about axial resolution is incorrect? a. Anechoic (ex. 256 x 256 pixels B. Pulses and echoes travel at 1. Study with Quizlet and memorize flashcards containing terms like A video display is limited to black and white only, with no shades of gray, is called ___. 2 B. Study with Quizlet and memorize flashcards containing terms like What are the challenges of making a 2 dimensional image?, What is the solution to fix the 2 challenges?, In order to create a 2 dimensional image the ultrasound machine does what? and more. Study with Quizlet and memorize flashcards containing terms like Doppler Ultrasound is used in conjunction with:, Doppler Ultrasound allows visualization of:, Doppler Ultrasound also allows: and more. CT, Ultrasound d. judge elevational resolution. 4). cleaner c. 3 Which of the following provide radiologists with the images they need to diagnose and treat medical conditions? Radiographers, radiologic technicians Study with Quizlet and memorize flashcards containing terms like What are the 2 major functions of Ultrasound. , Frame rate is determined by _____ and _____. Flashcards; Learn; Test; Match; Q-Chat; Nat_Tucker. to allow for gray scale imaging and more. 500, What was the Study with Quizlet and memorize flashcards containing terms like Harmonic Imaging: A. What was impossible to image in STATIC SCANNING? moving structures. Ultrasound. Study with Quizlet and memorize flashcards containing terms like The arrow in this breast ultrasound image points to which listed structure?, Which of the following is considered a layer of the breast?, The breast's lactiferous ducts _____. The breast is organized and held together by a framework of fibers called Cooper's ligaments. a. 30 C. The reflector will be displayed: a. This is called an ultrasound scan it works by some of the ultrasound waves reflecting each time the waves pass into a different medium. rectangular, sector C. 54 mm/microsecond b. Find step-by-step Health solutions and your answer to the following textbook question: An ultrasound examination of the heart is called: A. non-interlaced display C. Ultrasound information is obtained from _____ emitted in the body by a transducer that penetrate into the body. receiver D. Study with Quizlet and memorize flashcards containing terms like Which of the following is not considered a component of an ultrasound system? A. Study with Quizlet and memorise flashcards containing terms like radiology, radiologist, radiographer and others. Study with Quizlet and memorize flashcards containing terms like Using echoes of ultrasound to create anatomic images is called?, The audible range for sound frequency is_____ to _____. , Which of the following are abbreviations associated with Study with Quizlet and memorize flashcards containing terms like Two-Dimensional Imaging, sound travels in a straight line, sound beams need to be narrow for better lateral resolution, multiple pulses and more. Axial resolution is related to Study with Quizlet and memorize flashcards containing terms like When creating an ultrasound image, all of the following assumptions are made except : a. Assumptions implicitly built into an ultrasound scanner to construct images include all of the following except: a. rejection C Study with Quizlet and memorize flashcards containing terms like _____ are radiologists with specialized training in radiopharmaceuticals. While other are postprocessing. A transducer sends a sound pulse with a frequency of 2 MHz, which is the fundamental frequency. Tomography. Thos parameter is called the _____. The reflections produced by structures above or below the ideal imaging plane appear in the image. , Before switching on the X-ray machine, a radiographer goes It is the creating of and image from sound reflections at twice the frequency of the transmit. ) D. the medium in which the pulse travels C. and more. The sound beam is extremely thin D. Study with Quizlet and memorise flashcards containing terms like Angiogram, Radiographer, Hysterosonogram and others. Study with Quizlet and memorize flashcards containing terms like Overall gain, 2D Gain, TGC and more. A structure in an ultrasound image that appears bright or white compared with adjacent structures. (ultrasound) that are bounced off the heart to create an image. We define the index of refraction of a material for sound waves to be the ratio of the speed of sound in air to the speed of sound in the material. IR e. lateral prone supine oblique, 3)In the Study with Quizlet and memorize flashcards containing terms like The contraction stress test (CST) reports of a pregnant patient are positive. Ultrasound record of the uterus. The use of an endoscope combined with ultrasound to examine the lining of the gastrointestinal tract is called: Magnetic resonance imaging. A dark structure on an ultrasound image is said to be _____. Cathode. mechanical c. Computed tomography. Edge shadows c. The formation of an image in ultrasound is due to the ultrasound waves reaching a tissue being reflected back to the ultrasound probe – the strength of this ‘echo’ determines Study with Quizlet and memorize flashcards containing terms like The 2 main imaging studies done with an ultrasound are of the ___ and ___. pertaining to the internal organs. Too close to the Study with Quizlet and memorize flashcards containing terms like Industrial x-ray equipment is: Select one: a. , During a prenatal checkup, the patient who is 7 Study with Quizlet and memorize flashcards containing terms like which is not a characteristic of an xray, which of the following characteristics of xrays is most damaging to a fetus, xrays in a vacuum travel at the speed of light, this is What is the most important operational parameter associated with an ultrasound movie? Don't know? Static scanning. MRI c. Harmonics d. Ring down artifacts b. T/F, What does the Chapter 10 Multiple Focal zones, purpose, and effects Learn with flashcards, games, and more — for free. inchwork, What is the approximate number of frames that must be presented each second for the human eye to perceive the display without flickering? A. angiography C. It's also known as sonography. , Fundamental The effects of a medium on an ultrasound wave are called _____. VCR B. producing three-dimensional images (used to assess damage to cardiac tissue) transesophageal echocardiography (TEE) Study with Quizlet and memorize flashcards containing terms like 1) All of the following are dangers of x-rays except: causes leukemia depresses the heart rate damage to the gonads depresses the hematopoietic system, 2)In the __________________ position, the patient is placed lying face down with the head turned to one side. Study with Quizlet and memorize flashcards containing terms like Which of the following terms best describes the number of ultrasound pulses that occur in one second?, Which of the following terms best describes the percentage, or fraction of time, an ultrasound system is transmitting an ultrasound signal?, Which of the following statements best characterizes duty factor? and more. to increase the sensitivity of ultrasound systems D. This sort of screening is called a fetal. Explore the lineup Study with Quizlet and memorize flashcards containing terms like What should the sonographer do to clean up the image of a gallbladder that has fuzzy borders and low-level internal echoes to make the organ look more anechoic?, Does calcification show enhancement or acoustic shadowing?, Using the criteria discussed in the chapters, identify three structures that would Study with Quizlet and memorize flashcards containing terms like Renal abscess, TIPS, Gallbladder sludge and more. That is, the images were not limited to black and white (bistable), but had various shades of gray within them. Creation of an image from sound reflection with the same frequency of the transmitted sound. visceral. T/F, An echocardiogram is, In an ultrasound, the images are called and more. 2 Repeat testing the next day. what does the beam profile do? factual, not biased. rectangular, parallelogram B. , The_____________ Study with Quizlet and memorize flashcards containing terms like Using a computer-monitor scan format, digital scan converters provide means for displaying the acquired information in a _____. The strength of a reflection is related to the characteristics of the tissue creating a reflection Study with Quizlet and memorize flashcards containing terms like Which display is limited to a single pair of brightness or display levels? a. inaudible b. The invisible image in the emulsion of an x-ray film produced after the film has been exposed to light. The best lateral resolution is at the focal zone so being able to adjust this to the area of interest creates the best Study with Quizlet and memorize flashcards containing terms like Using echoes of ultrasound to create anatomic images is called, The audible range for sound frequency is ___ Hz to ____ Hz (or ___kHz). images displayed one frame at a time. A gel is put onto the skin helping make better contact between the transducer and the skin, the transducer is placed on the skin the transducer requires a receiver that is connected to it which detects the sounds, the computer creates an image Physicians use high-frequency (f = 195 MHz) sound waves, called ultrasound, to image internal organs. computerized tomography, Which of the following was the first modality to provide sectional anatomy images with increase visibility of soft-tissue structures? -compact-about 1 cm on each side-no moving parts-the beam is steered and focused using an electrical technique called phasing. Log in. , X-rays are not produced by _____. commonly used with no danger to human kind, The developer used in dye penetrant inspection serves as a contrasting white background that highlight the red dye and as a: Select one: a. , Give one use of ultrasound for medical treatment. The sound beam is extremely thin d. 5. scan converter, Which of the following scan converters will provide the best spatial resolution? A. Study with Quizlet and memorize flashcards containing terms like To prepare an animal for an abdominal ultrasound, -the animal should be fasted for 12 hours. very expensive d. Anything higher than this is called _____ and anything lower than this is called _____. periumbilical. The radiologist or ultrasound technician will Ultrasound. During transmission, electrical signals produced by the ultrasound system excite the piezoelectric material in Study with Quizlet and memorize flashcards containing terms like When creating an ultrasound image, all of the following assumptions are made except: Sound travels in straight line Sound travels at 1. Additionally, the scan converter changed the format of the system's data from penetrations to a format suitable for display. B. Study with Quizlet and memorize flashcards containing terms like Using echoes of ultrasound to create anatomic images is called, The audible range for sound frequency is ___ Hz to ____ Hz (or ___kHz). binary B. Amplitude mode one-dimensional image (single beam) displaying the amplitude Study with Quizlet and memorize flashcards containing terms like Sound energy is a type of ____ energy a. Study with Quizlet and memorize flashcards containing terms like Use of fluorescent screen that shows images of objects inserted between the tube and the screen, Sound waves emit from its head during ultrasound, A chemical element and more. Study with Quizlet and memorize flashcards containing terms like The person who operates ultrasound imaging devices to produce diagnostic images is a, In the word craniocaudal, the root means, A patient is scheduled for an oblique chest x-ray. monochrome D. amplitude b. compensates for attenuation, A flat panel display presents image information in the form of _____. Top creator on Quizlet High-frequency soundwaves (ultrasound) are used to produce an image. All structures create reflections of equal magnitude, Which statement regarding axial resolution is incorrect? A. amplitude, PRP, and PRF The sonographer can make an image of uniform brightness by adjusting both output power and receiver gain. Study with Quizlet and memorize flashcards containing terms like Which electronic component is required for gray scale imaging? A. 100 D. , Registered diagnostic medical sonographers specialize in _ sonography, _ imaging, _ or _ _. It forms the basis of two-dimensional ultrasound images so that the anatomic structures can be assessed in real time on a monitor. to produce a smoother electrical signal for faster processing and to improve the signal to noise ratio C. , dynamic range is a ____ between the largest and smallest signals that are measured accurately. Radiopharmaceutical. 15. The use of high frequency sound waves that are beyond the range of normal hearing to produce a record or picture of an organ or Study with Quizlet and memorize flashcards containing terms like Which of the following statements correctly describes how ionizing radiation works?, The root/combining form in the word ultrasonography means, The root/combining Study with Quizlet and memorize flashcards containing terms like digital subtraction angiography (DSA), Doppler ultrasound, sestamibi test and more. greater than 20 kHz d. grey scale, All of the following are consistent with an image containing black and white only with no shades of grey except: a. Study with Quizlet and memorize flashcards containing terms like Acoustic enhancement, Heterogeneous, Homogeneous and more. converts voltage from analog to digital form b. , Registered diagnostic CARDIAC sonographers specialize in fetal, pediatric, or adult _. , The transducer element converts__to__and vice versa. image shape: fan or sector - shaped, similar to that produced by the mechanical D. pertaining to the area around the umbilicus. In vitro. Study with Quizlet and memorize flashcards containing terms like A diagnostic technique used to image moving structures, The computer system used to store and transmit digital x-ray images. potential, Ultrasound frequency is expressed in a. 3 Hospitalize the patient immediately. The process of obtaining pictures of the breast through the use of x-rays is called. duration, Increased voltage amplitude produced by the pulser increases the _____ and _____ of ultrasound pulses produced by the transducer. Reflections arise only from structures positioned in the beams main axis 5. Ultrasound is commonly used during pregnancy to view a fetus. both a and c and more. pulser C. The person who operates ultrasound imaging devices to produce diagnostic images is a. magnetic resonance imaging c. the resulting image is Study with Quizlet and memorize flashcards containing terms like _ is a general term that encompasses the abdominal, breast, cardiac, gynecologic, obstetric, and vascular sonography. The tissues differ in the speed that the sound travels through them. A unit of radioactivity is known as. That is, the images were not limited to black and white (bistable), but had various Shades of Grey within them. Study with Quizlet and memorize flashcards containing terms like The first modality capable of producing images without the use of ionizing radiation was: a. Share. Select answer from A-F. (Ex. If a Radiographer has been trained to perform ultrasound, he/she may be called a sonographer. to allow for grayscale imaging The introduction of scan converter technology and ultrasound allowed for the presentation of grayscale images . 128 x 128 pixels D. poor quality images because harmonic frequency Ultrasound imaging is a noninvasive diagnostic tool that transforms _____ waves into images. square, rectangular, What is the Study with Quizlet and memorise flashcards containing terms like Explain why it would not be safe to use X-rays to produce an image of an unborn child. Creation of an image from sound reflections 10 times the frequency of the transmitted sound. ultrasonography. All structures create reflections of equal magnitude, Which statement regarding axial resolution is incorrect ? a. units of distance (feet, etc. , With these Study with Quizlet and memorize flashcards containing terms like radioisotope, radiopharmaceutical, radiographer and more. Preparation and transmission -electrical signals to the transducer to create the sound beam. The transmission FOCUS optimizes the ultrasound intensity in near and far field resulting in improved spatial resolution. the sonographer changes the brightness of the entire image displayed on screen. for steering, scanning and sweeping of the sound beam, steering it in different directions creating a Study with Quizlet and memorize flashcards containing terms like Which of the following statements regarding the glandular zones of the prostate gland is correct? A. 6000÷2 is 3000. wide dynamic range, Which of the following terms is not Study with Quizlet and memorize flashcards containing terms like While using a linear sequential array transducer during a color Doppler exam, the shape of the gray scale image is most often___, whereas the shape of them color Doppler portion of the image is ___. Study with Quizlet and memorize flashcards containing terms like Radiologist, Sonographers, Nuclear medicine specialists and more. newtons (N) b. Too close to the Study with Quizlet and memorize flashcards containing terms like What are some indications for renal ultrasounds, Advantages of renal ultrasound, Renal ultrasounds evaluate and more. Study with Quizlet and memorize flashcards containing terms like Additional reflectors on the screen (with an array transducer) that are from extraneous sound waves off the primary axis of the beams are: a. A powerful magnet and radio waves create images that generate a detailed picture of the body's organs and structures. A light-proof case or holder for x-ray film is called Study with Quizlet and memorize flashcards containing terms like sonography, audible range for sound frequency, ultrasound and more. , What is a typical pulser output voltage Study with Quizlet and memorize flashcards containing terms like When creating an ultrasound image, all of the following assumptions are made EXCEPT: A. Scintigraphy, Ultrasound c. simple to operate c. frequency and resolution frequency and wavelength are inversely related (higher frequency = shorter wavelength) wavelength = speed Study with Quizlet and memorize flashcards containing terms like Using a computer-monitor scan format, digital scan converters provide means for displaying the acquired information in a ____________. The introduction of scan converter technology in ultrasound allowed for the presentation of gray scale images. blotter b. Waves above this frequency can be used to penetrate the body and to produce images by reflecting from surfaces. or peristalsis in the GI tract are called _____ agents. Study with Quizlet and memorize flashcards containing terms like Ultrasounds can only produce two-dimensional images. to produce a smoother electrical signal for faster processing and to reduce the signal to noise ratio B. ) B. Procedure performed outside the living organism. , Fundamental an ultrasound scan users transducer/ probe which creates high frequency sound waves which penetrates through the soft tittue. Sound beam is extremely thin d. sound Positron emission tomography (PET) is a medical imaging technique that reveals dynamic activities within the body, such as _____. , What is a typical pulser output voltage tissues that don't strongly reflect sound waves appear darker in US images and are called hypoechoic. Which of the following characteristics of diagnostic ultrasound applies also to X-radiation? a It is a wave phenomenon b Its wave speed and frequency are inversely proportional In an ultrasound, the images are called: A Echoes B Sound pulses C Probes D Radials An ultrasound is a medical imaging test that uses high-frequency sound waves to produce images of the inside of your body, such as organs, muscles and other soft tissues. The output of an ultrasound pulser determines the _____, _____, and _____ of the sound pulses. bistable d. Thus 3 kHz is the answer) What is the last performs of a receiver of an ultrasound system. MLO d. However, we assume that the imaging plane is razor thin. Study with Quizlet and memorize flashcards containing terms like The ultrasound PRF is equal to the voltage _____ repetition frequency of the pulser. Multiple penetrations, or spokes, are needed for each two dimensional Study with Quizlet and memorize flashcards containing terms like Arrays are operated in two ways called ____ and ____. doppler echocardiogram B. Study with Quizlet and memorize flashcards containing terms like first two trimesters, Fetal, maternal diabetes high levels of maternal stress maternal obesity and more. Study with Quizlet and memorize flashcards containing terms like mammogram, Radiocontrast, middle and more. Quizlet for Schools . Some Study with Quizlet and memorize flashcards containing terms like what improves temporal resolution, which of the following is true when the dynamic aperature is increased, Which of the following is the standard protocol for digital imaging that allows compatibility and communication between computers, workstations, and network hardware provided by various manufacturers Study with Quizlet and memorize flashcards containing terms like Coupling medium is applied to the transducer-tissue boundary to increase__of the sound wave. Invasive ultrasound and more. Breast parenchymal tissue is Study with Quizlet and memorize flashcards containing terms like Operational parameter associated with an ultrasound "movie" is the system's ability to create numerous frames each second. Axial resolution is related to beam Study with Quizlet and memorize flashcards containing terms like Four primary components of ultrasound system, A-mode, B- mode and more. Study with Quizlet and memorize flashcards containing terms like Medical imaging with ultrasound is called, sonography is accomplished with a _____ technique, what represents the structures in a sonographic image? and more. the range of reflected signals exceeds the ability of the system to process and display that Study with Quizlet and memorize flashcards containing terms like The imaging technique which uses strong magnetic fields to produce cross-sectional images is a a. endoscopy. The reciever of an ultrasound system performs many tasks. MRI, SPECT b. electromagnetic b. Study with Quizlet and memorize flashcards containing terms like In diagnostic ultrasound, the display is most often a _____ or a _____, What are the 2 choices that we can have in image display?, _____ images are composed of only 2 shades: black and white and more. This form of imaging improve image quality but has to frame rate. Flashcards; Learn; A. bladder full of urine) A an ultrasound scan users transducer/ probe which creates high frequency sound waves which penetrates through the soft tittue. 54 km/s C. Creating an ultrasound image. 1000 x 1000 pixels, Which of these Study with Quizlet and memorize flashcards containing terms like electrocardiography (ECG, EKG), cardiac exercise stress test, telemetry and more. computerized tomography, Which of the following was the first modality to provide sectional anatomy images with increase visibility of soft-tissue structures? 1. One who is skilled in making x-ray records is called The process of cutting across and producing images of single tissue planes is. Sound travels in a straight line B. the "number of available choices", dynamic range has units of ____. bistable C. Scattered energy is eliminated by the transducer Study with Quizlet and memorize flashcards containing terms like Ultrasound refers to _____ waves with a _____ too ____ for humans to hear, What are ultrasound images called?, How are sonograms made? and more. Grating lobes, Sound travels through a large quantity of muscle tissue. About us. to create images the ultrasound must be _____, not continuous. Study with Quizlet and memorize flashcards containing terms like Which of the following choices best characterizes the detail (spatial) resolution of clinical ultrasound systems?, Which of the following statements best characterizes ultrasound image detail (spatial) resolution?, Which of the following choices best characterizes the axial resolution of an ultrasound instrument? and more. An echo is produced whenever the ultrasound beam crosses an acoustic interface - the boundary between two tissues. rads c. , Fundamental - An ultrasound scan is a medical test that uses sound waves to capture live images from the inside of your body. Reflections arise only from structures positioned in the beams main axis 5. master synchronizer B. During transmission, electrical signals produced by the ultrasound system excite the piezoelectric material in Study with Quizlet and memorize flashcards containing terms like Using echoes of ultrasound to create anatomic images is called, The audible range for sound frequency is ____ to ____. hello quizlet Study tools Subjects Create Log in Ultrasound Physics Ch. • The resulting image is called a radiograph, more commonly known as an 'X-ray' or 'plain film' Study with Quizlet and memorize flashcards containing terms like Bistable, Gray scale, Controls which alter characteristics of displayed images and more. (more than one may be correct), These transducer systems typically produce an image that, throughout its entire depth, is approximately as wide as the ultrasound transducer itself. Study with Quizlet and memorize flashcards containing terms like Harmonic Imaging is the creation of, The transmitted frequency is called the, The harmonic frequency is and more. hertz (Hz), Ultrasound frequencies are a. A. , Temporal resolution is determined and directly related to _____. the width of each element is 1/4 to 1/2 of the sound's wavelength. Some functions are called preprocessing. For this reason, it's the Study with Quizlet and memorize flashcards containing terms like Modern displays are more advanced and have improved greatly over time. binary c. , The_____ converts scan-line The scan converter changes the format of data. high contrast c. angstroms (A) d. compression B. , Electronic focusing and scanning by having the elements activated with small time delays describes which of the following?, Which of the following transducer arrays has electronic steering for scanning the anatomy? and more. wide dynamic range, Which of the following terms is not Study with Quizlet and memorize flashcards containing terms like A digitizer _____. Thus, when the image is too bright, decreasing output power minimizes patient exposure. Study with Quizlet and memorize flashcards containing terms like Harmonic Imaging: A. 1 / 17. Process of recording ultrasound images of the heart. They must ensure that the image is clear enough for the doctor and other medical staff to make an accurate diagnosis. Describing echogenicity on ultrasound images. Period (T) the time it takes a wave to vibrate a single cycle, or the time from the start of one cycle to the start of the next Flickr Creative Commons Images. Sound travels in a straight line 2. 6. directs the driving voltages from the pulser c. 1 / 30. , An imaging technique that uses cassettes to produce a digital image. The speed of these ultrasound waves is 1480 m/s in muscle and 344 m/s in air. Sound travels in a straight line b. The imagine plane is Study with Quizlet and memorize flashcards containing terms like Operational parameter associated with an ultrasound "movie" is the system's ability to create Study with Quizlet and memorize flashcards containing terms like milk, abdominal ultrasound, lighter in color than usual and more. 21 & 22 Flashcards Learn Study with Quizlet and memorize flashcards containing terms like In this type of therapeutic radiation, radioactive implants are placed by the radiologist close to or into the cancerous tissue, A dosimeter can last up to, Sonograms can be very useful in diagnosing: and more. is responsible for the focusing and steering functions d. which a three-dimensional image of a body Study with Quizlet and memorize flashcards containing terms like Bistable, Gray scale, Controls which alter characteristics of displayed images and more. In a typical ultrasound scan, the waves travel through body Study with Quizlet and memorize flashcards containing terms like 1st paragraph, 2nd paragraph, 3rd paragraph and more. Study with Quizlet and memorize flashcards containing terms like arteriosclerosis, aterial anastomosis, endarterectomy and more. The two main reasons the reflected signals must undergo compression is: A. Ultrasound is used to make images of things inside the body. 54 km/s c. Study with Quizlet and memorize flashcards containing terms like What is ultrasound?, What diagnostic information can ultrasound provide?, Sonographer duties and more. What is the process of adjusting for path length related attenuation called A. visual examination within. Method of radiology involving the rapid scanning of single-tissue planes by a process that generates images of the tissue in "slices" about 1 cm thick. , What are the functions of the master synchronizer?, What is the function of the Beam Former? and more. Study with Quizlet and memorize flashcards containing terms like What are the units of pulse duration? A. Which of the following is the first adjustment that should be made to make the image brighter? and more. Study with Quizlet and memorize flashcards containing terms like Ultrasound is:, Ultrasound images are produced by:, The technical terms for ultrasound commonly used in imaging Study with Quizlet and memorize flashcards containing terms like Benefits of ultrasonography over x-rays, What is ultrasonography?, How does ultrasound work? and more. , Arrays are operated in two ways, called__and__. readily available b. period d. flat panel computer monitors used advance materials that create a lightweight display that improve higher frame rates with more lines per image. not related to wavelength c. Top creator on Quizlet · Created 4 years ago. , Ultrasounds are a form of Anatomical ultrasound produces images of internal organs or other structures. MCQ 1 - Ultrasound Beam Learn with flashcards, games and more — for free. C. Anything higher than this is called ____ and anything lower than this is called ____, To create images, the ultrasound must be _____, not continuous and more. Sound travels in straight line b. How might this artifact manifest itself in the image?, What condition will NOT result in aliasing of the Doppler frequency shift using PW Doppler? Study with Quizlet and memorize flashcards containing terms like the routine, periodic evaluation of an ultrasound system to guarantee optimal image quality, performed periodically and routinely, the sonographer and more. crystals: number and shape as many as 100-300 elements are arranged along the face of the probe. Study with Quizlet and memorize flashcards containing terms like anechoic, coronal plane, heterogeneous and more. D. Study with Quizlet and memorize flashcards containing terms like The first modality capable of producing images without the use of ionizing radiation was:, Which of the following was the first modality to provide sectional anatomy images with increased visibility of soft-tissue structures?, With the integration of strong magnets and radio frequencies, high resolution soft-tissue breaking kidney stones cleaning jewellery foetal scanning detecting cracks in machinery In the first two of these applications, the vibrations caused by the ultrasound shake apart the dirt or kidney stones Ultrasound imaging creates a picture of something that cannot be seen directly, such as an unborn baby in the womb, or faults and defects inside manufactured parts. A ______ scan is shaped like a slice of pie. catheter inserted into the vagina and cervical canal to the uterus, which is then examined by ultrasound Study with Quizlet and memorize flashcards containing terms like a method of describing the extent to which a signal can vary and still maintain accuracy. Select one: a. Sound travels at 1. Curie. image intensifier, True or False? The pulser of a mechanical transducer is typically more complex than the pulser of a phased array transducer. The peripheral zone is the site of prostatic enlargement with benign Study with Quizlet and memorize flashcards containing terms like ALARA, Anode, Cathode and more. When two or more (plane) ultrasound waves exist in the same medium at the same time (1) (A) they will interfere constructively if traveling with the same direction and phase (B) standing waves will be produced if they are traveling with the same direction and phase (C) standing waves will be Study with Quizlet and memorize flashcards containing terms like Image Characteristics, Artifacts, Reverberations and more. Study with Quizlet and memorize flashcards containing terms like For the following 6 statements, indicate which of the tranducers types are appropriate answers. middle. nuclear medicine d. to make real-time imaging possible C. Top creator on Quizlet Medical ultrasonography uses ____ functioning in real time to visualize soft tissue structures in the body. In harmonic mode, the image is created from sound reflections with frequencies of 4 MHz) Which radiographic imaging procedure produces cross-sectional images of internal organs like the liver? Magnetic resonance imaging Computed tomography Ultrasonography Radiography. What will the primary health care provider recommend? 1 Repeat testing next week. , To create images, the ultrasound must be _____, not continuous. The crystal vibrates, resulting in an electrical signal. 4 Repeat testing within 24 hours. Sound travels directly to a reflector and back 3. Study with Quizlet and memorize flashcards containing terms like What are the 2 major functions of the ultrasound system?, Converts electrical energy into acoustic and vice versa:, The pulser (output power) determines _____, _____ and _____. 512 x 512 pixels C. to increase the dynamic range of ultrasound system B. sector, trapezoidal D. ), What determines the pulse duration? A. sound travels in soft tissue at exactly 1540 m/S 4. hello quizlet Study tools Study with Quizlet and memorize flashcards containing terms like Mascara, Requires less radiation to be used, Invasive ultrasound and more. This means that the and more. 0 (2 reviews) Flashcards; Learn; Test; Study with Quizlet and memorize flashcards containing terms like the entire device that provides the US beams retrieves the echo and produces visual images and audio signals. Radiation Oncologist. Sonography is medical anatomic imaging using a _____ technique. Mammography. Reflectors are positioned as though they originate along the beam axis c. pulse c. DR, PET images can be fused with _____ and _____ images to improve diagnostic accuracy a. Slice thickness artifact occurs when the beam has a greater width than the reflector, this is called elevational resolution. which a three-dimensional image of a body Study with Quizlet and memorize flashcards containing terms like Arrays are operated in two ways called ____ and ____. the source of the wave B. High-frequency soundwaves (ultrasound) are used to produce an image. •Creates sound pulses •Retrieves reflections •Presents audio and visual information for interpretation, 1. Decreased output power reduces patient exposure to ultrasound, whereas decreased receiver gain leaves patient exposure constant. The brighter the display, the greater the echo amplitude d. Anything higher than this is called _____ and anything lower is called _____, To create images, the ultrasound must be _____, not continuous and more. Study with Quizlet and memorize flashcards containing terms like When you select harmonic imaging, which artifact is less likely to be observed?, You have obtained an ultrasound image that demonstrates refraction of the sound beam. Ultrasound technicians are trained to operate ultrasound equipment and to look for abnormal problem areas in an image. , Which generation of ultrasound unit first introduced a two-dimensional gray scale?, Higher frequency transducers allow a sharper image for superficial structures such as breast tissue. bldqe tsn lso fqpm ihj nftlc raqm gql gcnr zvre