The basic cardiovascular center is located in the ___. ()
A. Cerebrum
B. Hypothalamus
C. Midbrain
D. Medulla oblongata
E. Spinal cord
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All arteries in the body contain oxygen-rich blood except for ()
A. the aorta
B. the pulmonary artery
C. the renal artery
D. the coronary arteries
E. the liver artery
The first heart sound is produced by closing of the ()
A. aortic semilunar valve
B. the pulmonary semilunar valve
C. the tricuspid valve
D. the bicuspid valve
E. both AV valves
Blood pressure is lowest in ()
Arteries
B. Arterioles
Capillaries
D. Venules
E. Veins
Stretch receptors in the aortic arch and carotid sinus ()
A. stimulate secretion of atrial natriuretic peptide
B. increase angiotensin II formation
C. serve as baroreceptors that affect activity of the vagus and sympathetic nerves
D. serve as osmoreceptors that stimulate the release of ADH
E. stimulate renin secretion
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