CD4 cells recognize the antigens in association with_____________?

Related Mcqs:

1. A type of immediately occuring reaction in which antigens combine with antibodies already attached to the surface of mast cells and basophils is called_____________?

   A. Type I hypersensitivity
   B. Type II hypersensitivity
   C. Type III hypersensitivity
   D. Type IV hypersensitivity

2. While performing a procedure, a resident doctor injures herself with a suture needle that has been used to stitch a patient with HIV infection for 11 years. He has been complaint with therapy for several years and has recently changed tablets because of alteration in his appearance. His last CD4 count was 360 cells/mm. The doctor is offered post exposure prophylaxis. Which regimen should she take ?

   A. Ziduvidine and Lamivudine
   B. Ziduvidine and Lamivudine and Indivair
   C. Ziduvidine and Lamivudine and Stavudine
   D. Ziduvidine and Lamivudine and Abacavir

3. CD4 count in normal healthy adult is_______________?

   A. 500
   B. 200
   C. 1000
   D. 300

4. Normal ratio of CD4 (T4) : CD8 (T8) is_________________?

   A. 2:1
   B. 1:2
   C. 3:1
   D. 1:3

5. Kaposi’s sarcoma (KS) usually occurs when CD4 Lymphocyte counts are_____________?

   A. Above 600
   B. Between 1000-2000
   C. Below 200
   D. Above 2000

6. The interaction of antigens with antibodies on the surface of a mast cel leads to degranulation and anaphylaxis. The mast cell granules produce anaphylaxis because they contain________________?

   A. Lysosomes
   B. Proteolytic enzymes
   C. Lymphotoxins
   D. Vasoactive mediators

7. Adjuvant given along with antigens are going to________________?

   A. Increase toxigenicity
   B. Increase antigenicity
   C. Reduce the antigenicity
   D. reduce the toxigenicity

8. Following reaction are produced by heterophil antigens except_____________?

   A. Forssman antigen antibody reaction
   B. Weil-Felix reaction
   C. Paul bunnel reaction
   D. Widal reaction

9. Same or closely related antigens present in different biological species are known as________________?

   A. Suquestrated antigens
   B. Isoantigens
   C. Haptens
   D. Heterophile antigens

10. Carbonic anhydrase in the kidney tubular cells is known to be associated with_____________?

    A. Urea
    B. Chloride
    C. Bicarbonate ion
    D. Carbohydrate