When the blood pressure becomes elevated above normal,
a. the carotid-sinus and aortic-arch baroreceptors increase their rate of firing.
b. the cardiovascular control center decreases sympathetic and increases parasympathetic activity to the heart and blood vessels.
c. arteriolar vasodilation occurs as a compensatory response.
d. two of these answers.
e. all of these answers.
E
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Which of the following will improve leverage?
A. increase force arm B. decrease resistance arm C. both A & B D. none of the above
The satiety center is located in the ____ of the brain
a. cerebellum. b. cerebrum. c. hypothalamus. d. medulla. e. thalamus.
Swallowing problems might indicate damage to all of the following cranial nerves except
A. the hypoglossal nerve. B. the vagus nerve. C. the trigeminal nerve. D. the glossopharyngeal nerve. E. damage to any of these nerves might cause swallowing problems.
Whole blood for testing in a clinical laboratory is usually collected from
A) the heart. B) a superficial artery. C) a superficial vein. D) a capillary. E) an arteriole.