SOLUTION

Placing a pillow under the head of an unconscious person is not recommended for several critical reasons:

• General First Aid Guidelines: First aid protocols consistently advise against placing any padding under the head of an unconscious individual. This practice is discouraged across various medical guidelines to ensure the safety and well-being of the patient.
• Risk of Aspiration: Placing a pillow under the head of an unconscious person can cause them to aspirate (inhale) fluids or vomit into their lungs. This can lead to serious complications and even death.
• Maintaining Airway: In an unconscious person, the tongue can fall back and block the airway. Placing a pillow under the head can worsen this situation. Instead, the first aider should ensure the person is lying on their side in the recovery position to keep the airway open.