Pharmacology The plane of surgical anesthesia during ether anesthesia is defined as: A Loss of consciousness B Loss of consciousness to the onset of spontaneous respiration C From onset of regular respiration to cessation of spontaneous breathing D Absence of reflexes 💡 Explanation The plane of surgical anesthesia during ether anesthesia is defined as: ✓ Correct Answer: C. From onset of regular respiration to cessation of spontaneous breathing