The nucleus is surrounded by the
A) plasma membrane.
B) membranous sac.
C) phospholipid bilayer.
D) nuclear envelope.
E) chromosome shield.
D
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The ________ are small blood vessels that nourish tissue components in the wall of large arteries and veins
A) tunica capillaria B) perfusion capillaries C) vasa vasorum D) vascular capillaries E) cortical vessels
The __________ division tends to prepare the body for action.
A. sensory afferent B. motor afferent C. somatic motor D. parasympathetic E. sympathetic
The increased incidence of cancer in the elderly reflects the fact that
A) immune surveillance increases. B) tumor cells are eliminated effectively. C) their diets do not meet nutritional standards. D) everyone is prone to disease. E) immune surveillance declines with age.
On which of the following types of headache would you consider performing trigger point therapy?
a. Migraine. b. Cluster. c. Tension. d. Cervicogenic.