In resuscitation, the ideal agent for an unconscious patient who is still breathing is:

• A. Oxygen
• B. Epinephrine
• C. Nitrous oxide
• D. Normal saline

Answer: (A)

The main idea is to maximize oxygen delivery to the brain and other vital organs when a patient is unconscious but still breathing. Providing supplemental oxygen increases the amount of oxygen that reaches the lungs and, in turn, the blood, helping prevent hypoxia and potential brain injury while you assess the airway and breathing. This is the most direct way to support the patient’s needs during resuscitation.

Epenephrine would be used in situations like cardiac arrest or severe shock, not simply for an unconscious patient who is still breathing. Nitrous oxide is an anesthetic gas and isn’t used for resuscitation; it can actually complicate breathing in an emergency. Normal saline helps with circulating volume but doesn’t improve the oxygen content of the blood. Therefore, giving supplemental oxygen directly addresses the immediate problem of insufficient oxygenation.