39. HIV could be used to cure Kaposi’s sarcoma by  a. causing the cells to express exogenous surface cell markers  b. activating genes for the expression of endogenous surface cell markers  c. inactivating the patient’s tumor suppressing

The MHC structure is critical for... a. Natural Killer Cells to identify healthy cells b. T cells to become activated c. B cells to get activated d. Histamines to function

49. which product of inflammation is responsible for causing a fever? A- Platelet Activating factor B- Leukotrienes C. Prostaglandins D. Histamine

18. Antiviral proteins synthesized in response to the binding of interferon may target a. intracellular uncoating b. nucleic acid synthesis c. viral assembly C. d. viral ribosomes e. all the above except d 19. When a macrophage encounters S. aureus, which of the following will most likely not occur? a. The macrophage will indirectly induce the synthesis of an antibody b. The macrophage will activate T cells C. The macrophage will produce cytokines d. The macrophage will exhibit its phagocytic and antigen presenting traits e. a & b 20. Plasma cells are actually activated by a. an antigen b. a T cell c. a B cell d. a memory cell PRRS e. 21. Development of resistance to a particular antimicrobial is limited if the drug a. binds to several sites on the target molecule b. targets several different molecules c. affects only one molecule d. affects the plasma membrane e. a and b

Which inhibitors specifically target CDK4 complexes? A. p57 Kip2 B. p27 Kip1 C. p21 Cip1 D. p16 INK4A

21. Which of the following can lead to cancer development? a. viruses b. mutation in cyclin production c. differentiated stem cells d. AIDS e. all of the above except c 22. Your patient is born without B cells. He cannot a. fight off intracellular infections b. have a Type IV hypersensitivity reaction c. fight off extracellular infections d. destroy microorganisms through alternate complement e. c & d 23. Extensive vomiting can lead to alkalosis due to -a. continued excretion of HCO3 b. accumulation of potassium c. emphysema d. a high protein diet e. increased renin production 24. Which of the following could lead to renal osteodystrophy? a. low levels of parathyroid hormone b. high levels of blood calcium c. injections of calcitrol d. increased physical activity e. a high protein diet 25. Which of the following can cause diarrhon?

19. The following event does not occur in the germinal centers of activated B cells? A. somatic hypermutation. B. formation of memory B cells C. RNA recombination D. plasma cell formation 20. Features of T-independent immune response include? A. occurs in people that lack a functional thymus C. give rise to memory cells. 21 Thafall E. class switching B. production of IgG and IgA D. involve immunological synapse

FceRI binds     A. IgA   B. IgG   C. IgE   D. Innocuous substances   Aspirin reduces inflammation by acting on:     A. Histamine   B. Chymotryptase   C. Leukotrienes   D. Prostaglandins