Author Question: An ultrasound procedure that evaluates blood flow in an effort to determine the cause of a localized ... (Read 148 times)

lak · **on:** Jun 27, 2018

An ultrasound procedure that evaluates blood flow in an effort to determine the cause of a localized reduction in blood flow is:

A) Doppler sonography
B) positron emission tomography
C) myocardial radionuclide perfusion scan
D) angioscopy

Question 2

Select the prefix that means through or across.

A) trans-
B) tetra-
C) circum-
D) dys-

Dinolord · **Reply #1 on:** Jun 27, 2018

Answer to Question 1

A
Explanation: If you do not know the tests, break down the choices. The question indicates that sound is utilized, so the answer should have the root son and suffix -graphy, recording process. Although perfusion, which is analysis of blood flow, is another choice, utilizing term breakdown, we see why sonography is correct.

Answer to Question 2

A
Explanation: The other prefixes mean: tetra-, four; circum-, around; and dys-, bad, abnormal, painful, difficult.