KROK 1 2009 – Question 19 · KROK (Medicine) · Pharmacology

Proserin increases skeletal muscle tone when given systematically. Halothane induces relaxation of skeletal muscles and reduces proserin effects. What is the nature of proserin and halothane interaction?

  1. A. Indirect functional antagonism
  2. B. Direct functional antagonism
  3. C. Independent antagonism
  4. D. Noncompetitive antagonism
  5. E. Competitive antagonism
Hint

Ask where in the body each drug acts, whether they share a receptor, and how their opposite effects meet on muscle tone.

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