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1. The value of lung tidal volume is :
- A. 500 ml
- B. 500 ml
- C. 500 ml
- D. 500 ml
Answer: Option A
Explanation:
Tidal volume (symbol VT or TV) is the lung volume representing the normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied. In a healthy, young human adult, tidal volume is approximately 500 mL per inspiration or 7 mL/kg of body mass.
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