Pleural pressure positive in
Correct Answer: End of forced expiration
Description: During active expiration, the abdominal muscles are contracted to force up the diaphragm and the resulting pleural pressure can become positive. Positive pleural pressure may temporarily collapse the bronchi and cause limitation of air flow Ref: guyton and hall textbook of medical physiology 12 edition page number:316,317,318
Category:
Physiology
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