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