Question

involuntary contraction of the bronchi is called:
a bronchiectasis.
b bronchospasm.
c bronchostenosis.
d bronchorrhagia.
e bronchitis.

Explanation:

• Option A: Bronchiectasis is abnormal dilation of bronchi, not contraction.
• Option B: Bronchospasm is involuntary contraction of bronchi, matching the question.
• Option C: Bronchostenosis is narrowing (often structural), not involuntary contraction.
• Option D: Bronchorrhagia is bronchial bleeding.
• Option E: Bronchitis is inflammation of bronchi, not contraction.

Answer:

B. bronchospasm.