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Question
Which of the following factors can alter the mucociliary transport mechanism?I. Excessive bronchial secretions
II. Tobacco smoke
III. Hypoxia
IV. Air pollution
a. I, II, III, and IV
b. I, II, and IV only
c. I, II, and III only
d. I and II only
Answer
This answer is hidden. It contains 261 characters.
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