Each of the following will lead to a decrease in blood pressure except
A) release of renin.
B) decrease in blood volume.
C) decreased peripheral resistance.
D) increased levels of ANP (atrial natriuretic peptide).
E) decreased levels of aldosterone.
A
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Which cranial nerve releases a neurotransmitter that can decrease the heart rate?
A. Abducens B. Vagus C. Hypoglossal D. Trochlear
A 45-year-old man is placed on an angiotensin-converting enzyme inhibitor as part of his therapy for hypertension. If he does not change his diet, what changes in his serum [Na+] and serum [K+] would you expect?
Serum [Na+] Serum [K+] A. No change ? B. No change ? C. ? No change D. ? ? E. ? ?
Peristalsis
A. involves the opening and closing of muscular sphincters. B. involves back-and-forth movement for mixing. C. is the alternating contraction of muscle layers in the GI tract wall that propels materials through the tract. D. is under voluntary control. E. All of the choices are correct.
The corpus callosum ________.
A. separates the lateral ventricles of the cerebral hemispheres B. is an important cerebral hemisphere nucleus C. passes between the diencephalon and basal ganglia D. consists of fibers that connect the cerebral hemispheres