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
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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).
Antihistamines would directly limit the gastric secretion of ________.
A. mucus B. pepsinogen C. gastrin D. hydrochloric acid
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.
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.