At what stage of anesthesia are reflexes lost?

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Multiple Choice

At what stage of anesthesia are reflexes lost?

Explanation:
Reflex suppression increases as anesthesia deepens. By the time an animal reaches the stage used for surgery, the nervous system is sufficiently depressed that protective reflexes are lost or markedly diminished. For example, the palpebral (blink) reflex and often the corneal reflex disappear, allowing the surgeon to work with minimal resistance. If you go deeper, toward overdose, reflexes remain absent but the animal is at a life-threatening risk of respiratory and cardiovascular failure. So the stage where reflexes are lost and surgical procedures are performed is the operative stage.

Reflex suppression increases as anesthesia deepens. By the time an animal reaches the stage used for surgery, the nervous system is sufficiently depressed that protective reflexes are lost or markedly diminished. For example, the palpebral (blink) reflex and often the corneal reflex disappear, allowing the surgeon to work with minimal resistance. If you go deeper, toward overdose, reflexes remain absent but the animal is at a life-threatening risk of respiratory and cardiovascular failure. So the stage where reflexes are lost and surgical procedures are performed is the operative stage.

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