NEET Solved Paper 2017 Question 41

Question: Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of:

Options:

A) Expiratory Reserve Volume

B) Residual Volume

C) Inspiratory Reserve Volume

D) Tidal Volume

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Answer:

Correct Answer: D

Solution:

  • Volume of air present in lungs after forceful expiration as residual volume which prevents the collapsing of alveoli even after forceful expiration.