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ESP X-Zone Practice Test |Questions with Complete Solutions To Guarantee Pass
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ESP X-Zone Practice Test |Questions withComplete Solutions To Guarantee Pass
All of the following are true of sound waves EXCEPT:
a. Regions of rarefaction are associated with lower pressure and lower
density. b. Sound waves carry energy from one location to another c. Sound
waves can create bioeffects.
d. they are comprised of rarefactions and
compressions e. they are mechanical, transverse waves
e. they are mechanical, transverse waves
Which of the following statements related to venous flow is most correct?
a. During inspiration, venous flow in the arms decreases. During expiration, venous flow
in the legs increases.
b. During inspiration, venous flow in the arms decreases. During expiration, venous flow
in the legs decreases.
c. During inspiration, venous flow in the arms increases. During expiration, venous flow in
the legs decreases.
d. During inspiration, venous flow in the arms increases. During expiration, venous flow in the
legs increases.
d. During inspiration, venous flow in the arms increases. During expiration, venous flow in
the legs increases.
,Under which circumstance is cavitation most likely to occur?
a. high intensity and high frequency
b. low intensity and low frequency
c. low frequency and high signal amplitude
d. high frequency and low power
c. low frequency and high signal amplitude
Which of the following steps is performed just prior to storage of image data in a digital
scan converter?
a. A-to-D conversion
b. read magnification
c. D-to-A conversion
d. demodulation
e. rectification
a. A-to-D conversion
Which of the following is the correct order of receiver operation?
a. amplification, compensation, compression, reject,
demodulation b. attenuation, amplification, TGC, gain, threshold
c. reject, demodulation, compression, compensation, amplification
d. amplification, compression, compensation, demodulation,
reject e. amplification, demodulation, reject
e. amplification, demodulation, reject
Which of the following choices best describes an ideal epidemiologic bioeffects study?
a. ideal and non-biased
b. retrospective and optimized
c. randomized and prospective
d. benefits outweigh the risks
e. prudent and safe
c. randomized and prospective
Which component of an ultrasound system exposes the patient to the greatest risk?
a. pulser
b. transducer
c. high voltage display tube
d. spark autoregulator
e. beam former
b. transducer
, Which of the following terms does not belong with the others?
a. parabolic flow
b. layered flow
c. turbulent flow
d. plug flow
e. laminar flow
c. turbulent flow
The thickness of a PZT crystal is _____ of the wavelength of sound in the PZT. The thickness of
the matching layer is ________ of the wavelength of sound in the matching layer.
a. 1/3, 1/2
b. equal to, 1/4
c. 1/2, 1/4
d. twice, 1/4
e. 1/2, twice
c. 1/2, 1/4
You are performing a Doppler interrogation of the carotid artery of a patient with a history
of CVA. At what Doppler angle is the velocity estimate most accurate?
a. 60º
b. 30º
c. 0º
d. 45º
e. 90º
c. 0º
A circular hyperechoic structure is located at a depth of 5 cm. The structure has
abnormally low attenuation and the speed of sound in the mass is 1,400 m/s. Which of the
following artifacts is most likely to appear beneath the structure? a. refraction artifact
b. reflectors beneath the structure appear abnormally deep in the image c.
reflectors beneath the structure are hypoechoic and too shallow
d. reflectors beneath the structure appear abnormally hyperechoic and too
shallow e. subdicing
b. reflectors beneath the structure appear abnormally deep in the image
Which of the following is associated with power mode Doppler?
a. flash artifact and reduced sensitivity
b. lower sensitivity and good temporal resolution
c. good temporal resolution and flash artifact
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