This division of the ANS increases both the rate and force of contraction of the heart
A) sympathetic
B) parasympathetic
C) both sympathetic and parasympathetic
Answer: A
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A nerve cell membrane becomes depolarized as a result of
A. Na+ ion channels being opened and Na+ ions diffusing into the cell. B. the relative ease with which K+ diffuses into the nerve cell. C. Ca+2 leaving the nerve cell. D. Na+ being prevented from passing through the membrane.
The process of synthesizing glucose from noncarbohydrates is called
A) glycolysis. B) gluconeogenesis. C) cellular respiration. D) glycemia. E) glycogenesis.
Angiotensin I
a. is formed as a result of activation of angiotensinogen by renin. b. is transformed into angiotensin II as a result of converting enzyme action in the lungs. c. acts on the adrenal cortex to stimulate aldosterone secretion. d. both (a) and (b) above. e. all of these answers.
Which hormone is not secreted by the stomach or small intestines?
A. Ghrelin B. Cholecystokinin (CCK) C. Gastrin D. Somatostatin E. Peptide YY