ARDMS SPI Practice Exam B Questions and Answers Already Passed

ARDMS SPI Practice Exam B Questions

and Answers Already Passed

Which artifact is illustrated by this image? ✔✔a) Shadowing

b) Side Lobe

c) Reverberation

d) Mirroring

What is increased if the pulse duration is decreased? ✔✔a) Bandwidth

b) Line Density

c) Frame Rate

d) Duty Factor

What is the most appropriate action for the sonographer to take when receiving a verbal order for

an exam? ✔✔a) Deny performance of the exam until a written request is received

b) Seek approval from supervisor

c) Verbally repeat the request back to the referrer to verify correctness

d) Document two forms of ID of the patient

What is the round trip time in soft tissue for an echo from a reflector at a depth of 1 cm ✔✔a)

1.54 usec

b) 6.5 usec

c)13 usec

d) 26 usec

What adjustment should be made to avoid the aliasing displayed on this spectral doppler image

seen on spectral analysis? ✔✔a) Reposition sample volume so it is deeper.

b) Decrease acoustic power

c) Change the doppler angle from 60 to 45 degrees

d) Decrease the transducer freq

In an unfocused transducer, what is the region between the transducer face and the point where

the beam diverges? ✔✔a) Side lobe

b) Focal Zone

c) Near field

d) Far field

What caused the color pattern demonstrated in the artery indicated by the arrow in this image?

✔✔a) Superimposed venous flow

b) Aliasing

c) Flow reversal

d) Color side lobe artifact

What technique increases the sharpness of high contrast boundaries? ✔✔a) Edge enhancement

b) Interpolation

c) Smoothing

d) Frame averaging

Which setting of an ultrasound system gives the sonographer the ability to display both strong

and weak echoes? ✔✔a) Dynamic range

b) Resolution

c) Range calibration

d) Sensitivity

Which condition must be present for refraction to occur? ✔✔a) Presence of a strong specular

reflector

b) Presence of several small reflectors

c) Difference in tissue prop speeds

d) A change in the angle of reflection

In this image, most of the blood flow is in which direction? ✔✔a) Right to left

b) Left to right

c) Bidirectional

d) Indetermiate

If red blood cells are approaching a 5 MHz doppler transducer at a sppeed of 75 cm/s, what is the

appropriate received ultrasound frequency? ✔✔a) 4,500 kHz

b) 4,995 kHz

c) 5,005 kHz

d) 5,500 kHz

What is the most common cause of localized vertical nonuniformity in a real-time B-mode

image? ✔✔a) Improper TGC

b) Defective transducer elements

c) Faulty preamplifier

d) Malfunctioning scan converter

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