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Veterinary Technician Exam Practice Questions

Category - Anesthesia

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Which of the following gases is primarily responsible for initiating respiratory drive in mammals?

Carbon Dioxide
Oxygen
Carbon monoxide
Nitrous oxide

Explanation

Answer: A - Carbon Dioxide (CO₂) is primarily responsible for initiating respiratory drive in mammals. A buildup of CO₂ in the lungs triggers the reflex to breath.

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