A. Type I hypersensitivity
B. Type II hypersensitivity
C. Type III hypersensitivity
D. Type IV hypersensitivity
Related Mcqs:
- 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 - CD4 cells recognize the antigens in association with_____________?
A. MHC I
B. MHC II
C. MHC III
D. B-cell receptor - Synthesis of antibodies in plasma cells occurs in_________________?
A. Golgi body
B. Endoplasmic reticulum
C. Nucleus
D. Mitochondria - Following reaction are produced by heterophil antigens except_____________?
A. Forssman antigen antibody reaction
B. Weil-Felix reaction
C. Paul bunnel reaction
D. Widal reaction - Adjuvant given along with antigens are going to________________?
A. Increase toxigenicity
B. Increase antigenicity
C. Reduce the antigenicity
D. reduce the toxigenicity - Same or closely related antigens present in different biological species are known as________________?
A. Suquestrated antigens
B. Isoantigens
C. Haptens
D. Heterophile antigens - Most antibodies are produced in the________________?
A. Heart and the liver
B. Brain and the meninges
C. Thymus and the appendix
D. Spleen and the lymph nodes - IgG antibodies have a half-life of approximately_______________?
A. 1 hour
B. 1 day
C. 1 week
D. 1 Month - Immunity that is conferred to the foetus by transfer of IgG and IgA antibodies is called as______________?
A. Active acquired immunity
B. Passive acquired immunity
C. Natural active immunity
D. Passive natural immunity - Which one of the following does not present antigens ?
A. NK cells (Netural killer cells)
B. Dendritic cells
C. Langerhan’s cells
D. Macrophages
