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.Management Sciences
Category: Microbiology
Dental Plaque adheres to tooth surface by________________?
0
A. Dextran
B. Epithelial cells
C. Bacteria
D. Sucrose
Which of the following is not true of boiling water_____________?
A. It can kill hepatitis B virus
B. Used for sterilizing surgical instruments
C. Can kill mycobacterium tuberculosis
D. Can kill vegetative bacterial cells
In small intestine, cholera toxin acts by______________?
A. ADP – ribosylation of the G regulatory protein
B. Inhibition of adenyl cyclase
C. Activation of GTPase
D. Active absorption of NaCI
Negative staining is used to demonstrate________________?
A. Bacterial spore
B. Bacterial Flagella
C. Bacterial capsule
D. Bacterial fimbriae
Group A B-hemolytic streptococcal infection of the pharynx may be followed in some by_____________?
A. Diphtheria
B. Typhoid fever
C. Rheumatic fever
D. Syphilis
Silver impregnation method of staining is useful to demonstrate_____________?
A. Bacterial flagella
B. Spirochetes
C. Both of the above
D. None of the above
The major intestinal pathogens which are non-lactose fermenters are_________________?
A. Salmonella
B. Klebsiella
C. Escherichia
D. Paracolons
Enterically transmitted NANB hepatitis B_____________?
A. Hepatitis C
B. Hepatitis D
C. Hepatitis E
D. Hepatitis F
Mycobacterium tuberculosis is best demonstrated by_________________?
A. Gram’s stain
B. H & E stain
C. Ziehl-Neelsen stain
D. PAS stain
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