Which of the following physiologic changes occur during sleep?
I. Colonic motility is decreased
II. Penile tumescence occurs during REM
III. Plasma growth hormones peak during Stage N3
IV. The heart rate can increase by up to 35% during REM
V. Cerebral blood flow decreases during non-REM sleep
a. II, III, and V only c. I, II, III, IV, and V
b. I, III, V only d. I, II, III only
c. I, II, III, IV, and V
Health Professions
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The process of culling and pitting occurs in the spleen's:
a. Germinal centers b. Follicles c. Vascular sinuses d. Red pulp cords
Health Professions
Which procedure allows visualization of the coronary arteries and placement of a stent?
A. Coronary artery bypass B. Enhanced external counter pulsation C. Cardiac catheterization D. Echocardiography
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