Out of the following hypersensitivity reactions, in which type a single dose of the antigen can act as both the sensitizing and shocking dose_______________?

Related Mcqs:

1. The ratio of the median lethal dose of the median effective dose is the_____________?

   A. Morbidity index B. Moratality index C. Anesthetic ratio D. Therapeutic index...

2. Hypersensitivity reactions like contact dermatitis can be caused by______________?

   A. polysulfides B. Condensation silicones C. addition silicones D. Polyether...

3. Type I hypersensitivity is mediated by which of the following immunoglobulins ?

   A. IgA B. IgG C. IgM D. IgE...

4. The immediate type of hypersensitivity in which histamine doses not play a major role is______________?

   A. Urticaria B. Asthma C. Anaphylaxis D. Arthus reaction...

5. Type IV hypersensitivity reaction is mediated by which of the following________________?

   A. B-cells B. Active T cells C. NK cells D. Plasma cells...

6. The distinguishing characteristic of a positive delayed type hypersensitivity skin test is______________?

   A. Erythema B. Necrosis C. Induration D. Vasculitis...

7. The prototype of Type II hypersensitivity reaction is__________________?

   A. Arthus reaction B. SLE C. Auto immune hemolytic anemia D. Contact dermatitis...

8. Which is type II hypersensitivity ?

   A. Anaphylaxis B. Delayed hypersensitivity C. Immune complex mediated D. Cytotoxic / cytolytic type...

9. Which of the following can be given as a single dose antimalarial for P.vivax malaria______________?

   A. Atovaquone + Proguanil B. Artemisinin C. Quinine + Tetracycline D. Pyrimethamine + Sulfadoxime...

10. Which factor of the following contributes to short duration of anesthetic action of single dose thiopental_____________?

    A. Rapid biotransformation B. Rapid accumulation in body fat C. High lipid solubility D. Ability to enter and leave brain tissue every rapidly...