Assertion : Tidal volume is the volume of air inspired or expired with the normal breath.

Reason : Adult person contains 500 mL expired or inspired volumes of air with each normal breath.

If both assertion and reason are true and reason is correct explanation of assertion.

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If both assertion and reason are true but reason is not the correct explanation of assertion.

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If assertion is true but reason is false.

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If both assertion and reason are false.

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Solution

The correct option is B If both assertion and reason are true but reason is not the correct explanation of assertion.
Tidal volume can be defined as the lung volume representing the normal volume of air displaced between normal inhalation and exhalation. In a healthy, young human adult, tidal volume is approximately 500 mL per inspiration or 7 mL/kg of body mass.

Therefore, both assertion and reason are true but reason is not the correct explanation of assertion.

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Similar questions

Q. Assertion :Tidal volume is the volume of air inspired or expired with the normal breath. Reason: Adult person contains 500 mL expired or inspired volumes of air with each normal breath.

Assertion: If $a \neq b$ , then $(a, b) \neq (b, a)$ .
Reason: $(4, - 3)$ lies in Quadrant $I V$
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.