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NEET2026BiologyChapterActual

Which of the following statements are correct with respect to Functional Residual Capacity (FRC)? (a) It is the volume of air that will remain in the lungs after a normal expiration. (b) It includes Tidal Volume and Inspiratory Reserve Volume. (c) It includes Expiratory Reserve Volume and Residual Volume. (d) It is the maximum volume of air a person can breathe out after a forced inspiration. (e) It can be mathematic

Options

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

Correct answer

C. (a), (c) and (e)

Step-by-step solution

Functional Residual Capacity (FRC) is defined as the volume of air that remains in the lungs after a normal expiration. This makes statement (a) correct. Mathematically, FRC is the sum of Expiratory Reserve Volume (ERV) and Residual Volume (RV). This makes statement (c) correct. Total Lung Capacity (TLC) is the sum of Inspiratory Capacity (IC) and Functional Residual Capacity (FRC). Therefore, FRC can be written as TLC minus IC. This makes statement (e) correct. Statement (b) is incorrect because Tidal Volume and I

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