One reason for the increased incidence of cancer with aging is a decrease in
A. urine output.
B. cardiac output.
C. red blood cells.
D. functioning of T lymphocytes.
E. functioning neutrophils.
D
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Absorption of glucose from the gut lumen depends on all of the following except
A) the sodium-potassium pump in the basolateral membrane of the epithelial cell. B) cotransporter proteins in the apical membrane of the epithelial cell. C) higher sodium ion concentration in the lumen than in the epithelial cell. D) sodium-linked cotransport. E) emulsification forming small micelles.
After a hormone has exerted its effects, it typically
A) continues to act until an opposing hormone is secreted. B) spontaneously degrades. C) is absorbed by its target cell. D) is inactivated or removed from the blood. E) is absorbed by the gland that secreted it.
Thick filaments are made up of the protein ____________________, whereas thin filaments are composed of the three proteins ____________________, ____________________, and ____________________
Fill in the blank(s) with correct word
The celiac plexus contains:
a. somatic motor nerves b. visceral motor nerves c. blood vessels d. all of the above