The ANS & the Respiratory System - BM5 RCR1

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1. What is the duration of action of muscarinic antagonists used for treating asthma?

  • 8-10hrs
  • 2-4hrs
  • 4-6hrs
  • 6-8hrs
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Other questions in this quiz

2. Which selective beta II antagonist is most commonly used to treat mild asthma symptoms?

  • Phenobarbitone
  • Noradrenalin
  • Salbutamol
  • Benzodiazepam

3. The action of adrenalin on which receptor causes dilation of pupils?

  • Alpha I & II
  • Alpha II & Beta II
  • Beta I & II
  • Alpha I & Beta I

4. The action of adrenalin on which receptor causes dilation of blood vessels in skeletal muscle?

  • Alpha II
  • Beta I
  • Beta II
  • Alpha I

5. Contraction of what type of muscle leads to narrowing of the airway lumen & bronchoconstriction?

  • Smooth muscle
  • Cardiac muscle
  • Skeletal muscle

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