How is anesthetic depth commonly assessed during inhalant anesthesia in veterinary practice?

• A. Evaluating reflexes and responses to stimuli, along with monitoring end-tidal inhalant concentration.
• B. Monitoring heart rate and blood pressure as the sole indicators.
• C. Relying on pupil size changes alone.
• D. Maintaining a fixed end-tidal concentration without reflex assessment.

Answer: (A)