Continuous conduction of a nerve impulse occurs only along
A. myelinated axons.
B. axons in the PNS.
C. dendrites.
D. axons in the CNS.
E. unmyelinated axons.
Answer: E
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Fimbriae
A. are extensions of the ovarian ligament. B. line the ampulla of the uterine tube. C. enclose the ovary at the time of ovulation. D. are sloughed off during menstruation. E. assist in the movement of sperm through the female reproductive tract.
Mineralocorticoids
a. stimulate gluconeogenesis b. stimulate protein degradation c. act at the kidneys to promote sodium retention and enhance potassium elimination d. contribute to the pubertal growth spurt e. are important in maintaining proper plasma calcium levels
Match the term with the appropriate description.A. Lipids that cause smooth muscle relaxation and vasodilationB. Lymph nodules aggregated in the small intestinal wallC. Rounded epithelial structures found in the medulla of thymusD. Areas of a lymph node where lymphocytes divideE. A chemical released from mast cells that causes vasodilationGerminal centers
Fill in the blank(s) with the appropriate word(s).
What is the difference between serum and plasma?
A. Plasma contains albumin; serum does not. B. Plasma does not have blood cells; serum does. C. Plasma contains calcium; serum does not. D. Plasma contains fibrinogen; serum does not.