NK cells are effective against viral infected cells only if the cell with infection___________?

Related Mcqs:

1. Components of innate immunity that are active against viral cells includes______________?

   A. NK Cells
   B. Cytotoxic T cells
   C. B cells
   D. Memory B cells

2. Virus infected cell is killed by________________?

   A. Interferons
   B. Macrophages
   C. Neutrophils
   D. Autolysis

3. 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

4. All cells do not divide at the same rate. Events in which phase of the cell cycle determine when a cell is going to replicate ?

   A. M phase
   B. G1 phase
   C. S phase
   D. G2 phase

5. Why fetal cells continue to divide but terminally differentiated adult cells do not divide ?

   A. There are many cyclin inhibitors which prevent cell to enter into S phase in adult
   B. Phosphatase absent in fetal cells
   C. Proteinase is absent in fetus
   D. Absence of CD kinase

6. Bone marrow stem cells differ from differ from differentiated progenitor stem cells in what respect ?

   A. Provide differentiated terminal cells
   B. Reconstitution of Bone marrow
   C. Formation of the ovum
   D. Act as a repair system for the body

7. 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

8. Diphtheria is pathogenic only when infected with______________?

   A. Beta phage
   B. Alfa phage
   C. Lambda K12
   D. Delta Phage

9. patients with organ transplants are most frequently infected with______________?

   A. Hepatitis A
   B. Hepatitis B
   C. CMV
   D. EBV

10. The cell with increased mitotic rate and resembling the undifferentiated mesenchymal cells of the same origin is______________?

    A. Anaplastic
    B. Dysplastic
    C. Metaplastic
    D. Hyperplastic