Physics CCI Test Bank Questions with Verified Answers Already Passed
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Physics CCI
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Physics CCI
Physics CCI Test Bank Questions with Verified Answers Already Passed
Color flow Doppler demonstrates:
• A. only the peak flow velocity of the blood and no indication of flow direction
• B. only the direction of the blood flow and no velocity information
• C. the peak flow velocity of ...
Physics CCI Test Bank Questions with Verified Answers Already Passed
Color flow Doppler demonstrates:
• A. only the peak flow velocity of the blood and no indication of flow direction
• B. only the direction of the blood flow and no velocity information
• C. the peak flow velocity of the blood and the direction of the blood.
• D. the average flow velocity of the blood and the direction of the blood flow - Answers D
Which operator control can be used to adjust the image contrast?
• A. focal zone
• B. overall gain
• C. output power
• D. dynamic range - Answers D
Which system control will simultaneously enhance far field echoes and diminish near field echoes?
• A. time gain compensation
• B. overall gain
• C. threshold
• D. rejection - Answers A
You suspect a calcification is present within the left ventricle. You activate Harmonics and add a focal
zone to the field of view. Which type of resolution will degrade with these changes?
• A. contrast
• B. axial
• C. temporal
,• D. lateral - Answers C
Which of the following is adjustable by the Sonographer?
• A. Wavelength
• B. Period
• C. Intensity
• D. Propagation speed - Answers C
Which of the following system controls is used mainly in cardiac imaging to correct for dropout on the
sides of the image?
• A. post-processing
• B. 2D priority
• C. 3D image rendering
• D. lateral gain - Answers D
. ______________________ scatter(s) the sound beam because it is a non-specular reflector.
• A. The pericardium
• B. Red blood cells
• C. The myocardium
• D. The endocardium - Answers B
The % of time that a pulsed ultrasound unit is actually on is the _______________________.
• A. duty factor
• B. pulse duration
• C. spatial pulse length
• D. acoustic impedance - Answers A
,Which of the following correctly describes m-mode?
• A. Uses a very high sampling rate
• B. Uses a higher intensity beam than Doppler ultrasound
• C. Normally used with a sweep speed of 100 mm/s speed
• D. Has better axial resolution than 2D imaging - Answers A
, While scanning the heart from the apical window, the ventricular chambers are anechoic but artifactual
echoes appear to fill the atria. Which of the following adjustments of the system controls would best
address this issue?
• A. decrease near field gain levels
• B. switch to a higher frequency transducer
• C. decrease far field gain
• D. increase output power to increase penetration - Answers C
Which of the following adjustments would improve the appearance of contrast on the echo image?
• A. Decrease output power
• B. Use multiple focal zones
• C. Increase the thermal index
• D. Turn off harmonic imaging - Answers A
A 5MHz transducer has a PRF of 6kHz and is being used to produce a wave with a 0.6mm wavelength
and 3mm spatial pulse length. What is the axial resolution of this system?
• A. 1.5mm
• B. 1.2mm
• C. 2mm
• D. 1mm - Answers A
What console control does not change the amount or type of information displayed, only the perception
of the images by viewer?
• A. sector width
• B. B-color
• C. imaging depth
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