# The first line of treatment in a patient with syncope due to local anesthesia is administration of: A. Oxygen B. Respiratory stimulant C. Adrenaline D. Diazepam The correct answer is A. Oxygen. Definitive care after syncopal attack: -Administer O2 - Monitor vital signs - Perform additional procedures: Administer aromatic ammonia vaporole; Administer “sugar” (e.g., orange juice, non-diet soft drink) - Administer atropine if bradycardia persists - Do not panic! Reference: Medical Emergencies in the Dental Office, Malamed, 7th edition Page no: 151 CLICK HERE FOR MORE MCQs