Answer and explanation

Correct answer: C. Inhaled salbutamol

  1. Step 1: A short-acting beta-agonist such as salbutamol relieves bronchospasm quickly.
  2. Step 2: Steroids and oxygen are added when needed.
Answer
Inhaled salbutamol.
Why not the others: Antibiotics, furosemide and montelukast alone do not treat acute bronchospasm.

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