1.
Atropine is an anticholinergic agent frequently used with dobutamine stress testing to increase:
2.
If a patient has an irregular heart rate, the total number of cardiac cycles acquired for each projection will be the same if each projection is acquired for:
3.
The dose for cardiac first pass imaging studies must be contained in a volume not exceeding:
4.
The sympathetic nervous system has great influence on cardiovascular physiology and is responsible for regulating myocardial blood flow, heart rate, and the contractile performance of the heart. Which of the following radiotracers can be used for imaging the sympathetic nervous system of the heart?
5.
A defect that is present on stress images, and not seen or present to the lesser degree on resting images is called:
6.
Myocardial ischemia could be distinguished from myocardial infarction by analysis of PET images of the perfusion tracer N-13-labeled ammonia and the glucose analogue FDG. Region with “flow-metabolism mismatch” – decreased flow with normal increased FDG activity – represents:
7.
Which of the following arteries supplies the myocardium?
8.
The short axis cardiac tomogram is displayed with the orientation as if the viewer was observing the heart from the:
9.
A two-dimensional illustration of a three-dimensional allocation of the radiotracer in the myocardium which allows visualization of perfusion defects in a compressed format is known as:
10.
All of the following diagnostic methods can be used for the identification of hibernating myocardium EXCEPT:
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