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.Management Sciences
Category: General Microbiology
The Manufacturing unit of surgical needle & sutures are sterilized by ________________?
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A. Gamma-Rays
B. X-Rays
C. Autoclaving
D. Boiling
The function of IgD is______________?
A. Antigen recognition by B cells
B. Localization protection in external secretion
C. Compliment activation
D. Reagin activity
Physical sterilization was discovered by__________________?
A. Robert Koch
B. Joeph Lister
C. John Hunter
D. Alexander flemings
The prototype of Type II hypersensitivity reaction is__________________?
A. Arthus reaction
B. SLE
C. Auto immune hemolytic anemia
D. Contact dermatitis
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
Endotoxins differ from exotoxins in that endotoxins______________?
A. are proteins
B. are heat labile
C. are highly antigenic
D. activate complement by the alternate pathway
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