Multiple Choice
Why is the change in sound made by a passing train's whistle similar to the reason the pitch rises quickly in systole and drops quickly in early diastole when measuring arterial sounds?
A) Both are explained by B-mode ultrasonography.
B) Both involve the science of plethysmography.
C) Both are explained by the Doppler effect.
D) Both are explained by the science of atomic behavior in a strong magnetic field such as MRI.
Correct Answer:
Verified
Correct Answer:
Verified
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