KROK 1 2008 – Question 119 · KROK (Medicine) · Pharmacology
If a man has an attack of bronchiospasm it is necessary to reduce the effect of vagus on smooth muscles of bronchi. What membrane cytoreceptors should be blocked for this purpose?
- A. M-cholinoreceptors
- B. N-cholinoreceptors
- C. β-adrenoreceptors
- D. α-adrenoreceptors
- E. α- and β-adrenoreceptors
Hint
Vagal fibres release acetylcholine onto bronchial smooth muscle; think about which receptor family there mediates contraction and therefore should be blocked to relax it.
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