Pseudopods are characteristic of what form of endocytosis?
a. pinocytosis
b. phagocytosis
c. autophagy
d. lymphocytosis
e. ingestion
b
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Drugs that decrease membrane permeability to sodium
A. increase pain. B. lessen pain. C. make pain-signalling neurons more excitable D. increase the amount of nerve impulses to/through an affected area.
Each of the following factors promotes the function of the capillaries except
a. a blood pressure forcing fluid out of these vessels b. a small total surface area c. an osmotic pressure drawing fluid into these vessels d. pores in the endothelial wall e. thin walls
Once threshold potential has been achieved, the permeability of the membrane to Na+ is
a. greater than it was at rest. b. greater than its permeability to K+. c. increased due to activation of voltage-gated Na+ channels. d. all of these. e. none of these.
What is tubular secretion?
a) the movement of water and solutes from the tubular fluid into the blood b) the movement of water and solutes from the glomerular capillaries into the glomerular capsule c) the movement of water and solutes from the blood into the tubular fluid