Which immune disorder results in deterioration of the myelin sheath in the CNS?
A. Tay-Sachs disease
B. Spina bifida
C. Multiple sclerosis
D. Anencephaly
E. Parkinson's disease
C. Multiple sclerosis
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Blood vessel spasms following an injury are stimulated by
A. parasympathetic impulses. B. the release of heparin from eosinophils. C. serotonin released from platelets. D. the formation of a fibrin clot.
The glial cell with perivascular feet that wrap around capillaries in the CNS is the
A. astrocyte. B. ependymal cell. C. neurolemmocyte. D. microglial cell. E. oligodendrocyte.
Dysphoria is the result of activation of what receptor?
a. Mu b. Kappa c. Delta d. a and b e. b and c f. All of the above
Ventricular fibrillation ________.
A. often occurs due to circus rhythms B. is not life threatening C. occurs when the ventricles contract in a rapid, coordinated manner D. is induced by defibrillators