A. C2a
B. C3b
C. C4a
D. C5a
Related Mcqs:
- Chemotactic cytokine is_________________?
A. IL-1
B. IL-6
C. IL-8
D. TNF - The conversion of prothrombin to thrombin, the factor participate along with calcium is______________?
A. Labile factor
B. Stable factor
C. Fibrin
D. Thromboplastin - Which vitamin is related to a co-factor in glycine metabolism is______________?
A. Vit E
B. Folic acid
C. Thiamine
D. Cobalamine - A factor with a mucopoly saccaride, present in liver, presenting in platelet aggregation is______________?
A. Plasmin
B. Acetylsalicylic acid
C. Heparin
D. Prothrombin - Complement factor through which common pathway begins___________________?
A. C3
B. C5
C. C2
D. Protein B - Example of immune complex hyper-sensitivity reaction is______________?
A. Atopic allergy
B. Serum sickness
C. Transfusion reaction
D. Contact dermatitis - Sterilisation is______________?
A. Pathogens killed but spores are not affected
B. Only pathogenic micro-organisms killed
C. Non-pathogenic killed
D. All pathogenic and non-pathogenic microorganisms killed - The immediate type of hypersensitivity in which histamine doses not play a major role is______________?
A. Urticaria
B. Asthma
C. Anaphylaxis
D. Arthus reaction - The function of IgD is______________?
A. Antigen recognition by B cells
B. Localization protection in external secretion
C. Compliment activation
D. Reagin activity - The distinguishing characteristic of a positive delayed type hypersensitivity skin test is______________?
A. Erythema
B. Necrosis
C. Induration
D. Vasculitis