The AH50 differs from the CH50 because the AH50
a. measures the alternative pathway and the CH50 measures the classical pathway
b. measures the classical pathway and the CH50 measures the alternative pathway
c. uses rabbit red blood cells and the CH50 uses sheep red blood cells with antibody
d. measures the alternative pathway and the CH50 measures the classical pathway and uses rabbit red blood cells and the CH50 uses sheep red blood cells with antibody
e. measures the classical pathway and the CH50 measures the alternative pathway and uses rabbit red blood cells and the CH50 uses sheep red blood cells with antibody
D
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Simian immunodeficiency virus (SIV) causes a disease in monkeys similar to AIDS in humans
caused by human immunodeficiency virus (HIV). In theory, why would SIV be a candidate organism to be used in a human AIDS vaccine? A) Monkey viruses cannot cause disease in humans. B) SIV could stimulate an immune response against SIV that cross-reacts with HIV. C) SIV could stimulate a humoral immune response against HIV. D) SIV could stimulate a cellular immune reaction against HIV. E) Monkey viruses cause disease in humans.
In the mature central nervous system (CNS), axonal regeneration is impeded by which of the following?
A. Glial scar formation B. Absence of neural growth factor C. Release of growth inhibiting factors D. Both A and B E. A, B, and C
Jane believes that she has an ideal job that is both challenging and rewarding. She is enjoying a high level of _____ wellness
a. environmental b. occupational c. social d. physical
Health experts believe that the riskiest type of sex is unprotected
a. vaginal sex. b. oral sex. c. digital sex. d. anal sex