Herring Breuer reflex is an increase in ?: (A) Duration of inspiration, (B) Duration of expiration, (C) Depth of inspiration, (D) Depth of expiration
Answer is B. Ans. is 'b' i.e., Duration of expirationThe Hering-Breuer inflation reflex is an increase in the duration of expiration produced by steady lung inflation, and the Hering-Breuer deflation reflex is a decrease in the duration of expiration produced by marked deflation of the lung.