Which of these chemical substances, when released into the blood, would cause blood pressure to decrease?

A. epinephrine
B. angiotensin
C. aldosterone
D. vasopressin
E. atrial natriuretic factor


Ans: E. atrial natriuretic factor

Anatomy & Physiology

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The MHC class I antigen complex displays a foreign antigen on the cell surface. This prompts the immune system to destroy

A. B cell clones. B. extracellular antigens. C. the displaying cell. D. mature red blood cells. E. the virus inside the cell, but not the cell.

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Antihistamines would directly limit the gastric secretion of ________.

A. mucus B. pepsinogen C. gastrin D. hydrochloric acid

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The vagina is

A) lined by simple columnar epithelium rich in goblet cells. B) similar to the inner lining of the uterus. C) another term for the cervix. D) a muscular tube extending between the uterus and the external genitalia. E) a muscular tube extending between the uterus and the anus.

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The __________ ligament is a sheet of mesentery that attaches the liver to the anterior abdominal wall.

Fill in the blank(s) with the appropriate word(s).

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