A. Beta phage
B. Alfa phage
C. Lambda K12
D. Delta Phage
Related Mcqs:
- patients with organ transplants are most frequently infected with______________?
A. Hepatitis A
B. Hepatitis B
C. CMV
D. EBV - Granules in the corynebacterium diphtheria are called by following names, except______________?
A. Metachromatic granules
B. Refractile granules
C. Babes Ernst granules
D. Voluntin granules - Pathogenesis of diphtheria is attributed to__________________?
A. Invasion
B. Endotoxin
C. Exotoxin
D. Capsule - Which regards to temperature requirement, most pathogenic bacteria are_____________?
A. Psychrophiles
B. Mesophiles
C. Cryophiles
D. Thermophiles - Which of the following enzyme is required to induce the formation of a plasma clot pathogenic staphylococci_____________?
A. Lysozyme
B. Fibrinolysin
C. Coagulase
D. S protein - Pathogenic treponemas can be maintained in________________?
A. Tissue culture
B. Chick embryos
C. Artificial media
D. Rabbit testis only - An oxidase-positive, gram-negative rod which produces a bluish-green pigment has been grown in culture from a swab obtained from an infected burn wound. This organism is susceptible to gentamicin, ticarcillin and tobramicin, but resistant to all the other antibiotics which of the following organisms is it likely to be ?
A. Escherichia coli
B. Klebsiella pnemoniae
C. Proteus miribilis
D. Pseudomonas aeruginosa - Virus infected cell is killed by________________?
A. Interferons
B. Macrophages
C. Neutrophils
D. Autolysis - The best way of detecting the presence of viruses in the infected cell – culture is____________?
A. Cytopathic changes in culture cells
B. Presence of viral protein in the infected monolayer
C. Haemagglutination test
D. Haemagglutination inhibition test - NK cells are effective against viral infected cells only if the cell with infection___________?
A. Exprss MHC class I proteins
B. Unable to express MHC class I proteins
C. Express MHC class II proteins
D. Unable to express MHC class II proteins
