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

Related Mcqs:

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

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

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

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

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

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

4. The prototype of Type II hypersensitivity reaction is__________________?

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

5. Which is type II hypersensitivity ?

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

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

   A. Anaphylaxis B. Arthus reaction C. Serum sickness D. Contact dermatitis...

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

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

8. The immediate precursor of norepinephrine is______________?

   A. Epinephrine B. Tyrosine C. Dopamine D. Phenylalanine...

9. Histamine stimulate the secretion of_______________?

   A. Gastrin by stomach B. Pancreatic enzymes C. HCL by stomach D. Amylase by salivary gland...

10. Which of the following histamine blockers has no effect on muscarinic receptors______________?

    A. Diphenydramine B. Promethazine C. Terfenadine D. Pyrilamine...