ARDMS SPI PRACTICE EXAM B NEWEST ACTUAL

ARDMS SPI PRACTICE EXAM B NEWEST ACTUAL /

WITH QUESTIONS AND 100% CORRECT ANSWERS

VERIFIED/GRADED A+

Which scenario will produce no doppler shift to the receiver? - ----Answers_--a) Source and receiver moving at the same speed and direction

b) Source moving toward the receiver

c) Source moving away from receiver

d) Receiver moving toward source

A sound wave propagates fastest through which substance? - ----Answers_--a) Bone

b) Muscle

c) Fat

d) Gas

What determines the center freq of a transducer? - ---- Answers_--a) Diameter

b) Shape

c) Matching Layer

d) Thickness

In this image, which target group is used to evaluate dead zone? - ----Answers_--a) A

b) B 1 / 2

c) C

d) D

Which action can improve axial resolution of a displayed image? - ----Answers_--a) Increasing the PRF

b) Reducing the receiver gain

c) Changing the gray-scale ratio

d) Increasing the transducer freq

What causes range ambiguity artifacts? - ----Answers_--a) Receiver overload

b) Pulser overload

c) PRF too high

d) PRF too low

When a fluid is flowing at a slow and constant rate within a long tube having a uniform diameter, what is the nature of the flow? - ----Answers_--a) Disturbed

b) Turbulent

c) Laminar

d) Pulsatile

Which technique utilizes freq modulation of the transmitted pulse to improve signal-to-noise ratio? - ----Answers_--a) Apodixation

b) Panoramic imaging

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