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
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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
The pulse pressure is a measure of ()
A. the number of heartbeat per minute
B. the sum of the diastolic and systolic pressures
C. the difference between the systolic and diastolic pressures
D. the difference between the arterial and venous pressures
E. the sum of the arterial and venous pressures
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