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Breathing and Exchange of Gases question

2022 · Q64
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Breathing and Exchange of Gases question

2022 · Q64

NEETBiologyBreathing and Exchange of GasesMCQ+4 / −1

Which of the following statements are correct with respect to vital capacity?

(a) It includes ERV, TV and IRV

(b) Total volume of air a person can inspire after a normal expiration.

(c) The maximum volume of air a person can breathe in after forced expiration.

(d) It includes ERV, RV and IRV.

(e) The maximum volume of air a person can breath out after a forced inspiration.

Choose the most appropriate answer from the options given below :

  1. A
    (a) and (e)
  2. B
    (b), (d) and (e)
  3. C
    (a), (c) and (d)
  4. D
    (a), (c) and (e)
View written solutionFree

Correct answer: D

Option (d) is the correct answer because statements (a), (c) and (e) are correct.

Vital capacity includes ERV, TV and IRV.

Vital capacity is the maximum volume of air a person can breathe in after a forced expiration or the maximum volume of air a person can breathe out after a forced inspiration.

Statement (b) is incorrect as total volume of air a person can inspire after a normal expiration is termed as inspiratory capacity (IC).

Statement (d) is incorrect as ERV, RV, IRV and TV comprise total lung capacity.

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