Which of the following occur(s) during the compression phase of a cough?
I.expiratory muscle contraction
II.opening of the glottis
III.rapid drop in alveolar pressure

Question

Quizplus · Accepted Answer

During the compression phase of a cough, the expiratory muscles contract, but the glottis remains closed, and there is an increase in pressure within the chest, not a drop. The opening of the glottis and the rapid drop in alveolar pressure occur in the subsequent expulsion phase.

Which of the Following Occur(s) During the Compression Phase of a Cough