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NEET Biology question

BiologyBreathing and Exchange of GasesNEET

If alveolar ventilation is 4200 mL/min, respiratory frequency is 12 breaths per minute, and tidal volume is 500 mL, what is the anatomical-dead-space ventilation?

Answer: (A)

Solution

Total minute ventilation = respiratory frequency × tidal volume = 12 × 500 = 6000 mL/min, and this total equals alveolar

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Question ID VK-119367