ARRT Practice Test – Full Registry Exam Simulation with Answer Key & Rationales

which term represents the degree of echo amplification or brightness of an ultrasound image?

a. zoom
b. gain
c. scatter
d. absorption


b. gain


what type of image does linear array offer in real-time imaging?

a. trapezoidal image
b. pie-shaped image
c. large-field image
d. rectangular image


d. rectangular image

, pulsed doppler is used for what diagnostic purpose?

a. to determine blood flow through arteries and veins
b. to view large organs
c. to determine solid masses
d. there is no diagnostic purpose for pulsed doppler


a. to determine blood flow through arteries and veins


the wave characteristic of frequency is measured by what unit of measurement?

a. gain
b. color
c. length
d. hertz


d. hertz


the comet tail image indicated which of the following to the ultrasound technician?

a. the edge of the organ
b. artifact
c. the sign of an abscess
d. the right depth of the transducer


b. artifact