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.Management Sciences
Category: Microbiology
The overall effect of HIV is to gradually impair the immune system by interference with______________?
A. Helper T lymphocytes
B. Natural killer cells
C. Plasma cells
D. Macrophages
CD4 cells recognize the antigens in association with_____________?
A. MHC I
B. MHC II
C. MHC III
D. B-cell receptor
Rickettsiae__________________?
A. Multiply within living cell
B. Transmitted by arthropod vectors
C. Respond to tetracycline therapy
D. All of the above
Q fever is caused by________________?
A. Rickettsia tsutsugamushi
B. R. prowozekii
C. R. quintana
D. C. burnetti
Virus is cultured in_______________?
A. Saubourd’s agar
B. Rogosa medium
C. Nonembryonated egg
D. Embryonated egg
False +ve for VDRL is seen in______________?
A. Yaws
B. Lepromatous Leprosy
C. Malaria
D. All of the above
Cell wall deficient bacteria are_______________?
A. Escherichia Coli
B. Staphylococci
C. Spirochetes
D. Mycoplasma
Pneumococus can be differentiated from streptococcus by________________?
A. Type of hemolysis
B. Gram staining
C. Growth characteristics
D. Bile solubility
Black water fever is caused by______________?
A. Plasmodium vivax
B. Plasmodium falciparum
C. Leishmania donovani
D. Microfilaria
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