Multiple Choice
Which of the following is an effect of refraction?
A) Shadowing at the edge of structures.
B) Two adjacent structures seen as one.
C) Incorrect representation of tissue densities.
D) Structures displayed medial from correct location.
Correct Answer:

Verified
Correct Answer:
Verified
Q20: Which of the following results from the
Q21: There must be _ samples per cycle
Q22: Weakening of echoes distal to a strongly
Q23: A duplication artifact associated with echoes interacting
Q24: Reflected echoes displaying falsely high amplitudes describe
Q26: The Nyquist limit is _.<br>A) oversampling of
Q27: Mirror image artifact is not a factor
Q28: If the pulse repetition frequency (PRF) is
Q29: Some artifacts are produced by improper equipment
Q30: Which of the following artifacts appears as