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- Created by: aradjosh
- Created on: 06-01-21 08:11
1. Leukotrienes released from mast cells cause all the following reactions. State which one is false.
- Intense bronchoconstriction
- Peripheral vasoconstriction and coronary vasodilation
- Peripheral vasodilation and coronary vasoconstriction
- Myocardial depression
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Other questions in this quiz
2. Which of the following is not a type IV delayed hypersensitivity reaction?
- Protamine mediated pulmonary vasoconstriction
- Graft Vs Host
- Tissue rejection
- Contact dermatitis
3. Heparin induced thrombocytopenia (HIT) is which type of hypersensitivity?
- Type IV: delayed hypersensitivity
- Type II: cytotoxic
- Type I: immediate type
- Type III: immune complex
4. Which of the following is known to cross the placenta?
5. Which one of the following statements is false regarding complement activation?
- Classic pathway is IgG and IgE mediated
- Complement activation results in formation of the Membrane Attack Complex (MAC) that lyses cell walls and membranes
- The complement system is regulated by the C1 esterase inhibitor, ensuring the complement system is turned off for most of the time.
- C3a and C5a are anaphylatoxins that are released from complement activation and are potent vasoactive mediators
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