Angiotensin II elevates systemic blood pressure by
A) triggering arteriole constriction.
B) promoting the release of ANP.
C) inhibiting aldosterone.
D) promoting the excretion of sodium.
E) inhibiting ADH.
A) triggering arteriole constriction.
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Microphages include
A) monocytes. B) Kupffer cells. C) neutrophils. D) eosinophils. E) both neutrophils and eosinophils.
Match the cell membrane structure to its description: Gap junctions.
A)Buttonlike junctions that use linker proteins to hold adjacent cells together B)Adjacent cells joined by a line of membrane proteins that form an impermeable junction C)None of the listed responses is correct. D)Adjacent cells held together by connexon proteins that form cylinders allowing ion flow between the cells' cytoplasm
The movement of glucose across a plasma membrane is achieved by
A. receptor-mediated exocytosis. B. facilitated diffusion. C. osmosis. D. phagocytosis. E. ion pumps.
What structure changes the shape of the lens for far and near vision?
A) aqueous humor B) ciliary body C) iris D) extrinsic eye muscles E) none, because the lens is rigid