How should you ensure the safe operation of onboard medical devices (defibrillator, suction, oxygen) and what routine checks are required?

• A. Validate device power, battery status, proper settings, verify oxygen cylinder pressure and regulator, clean and disinfect surfaces, ensure accessibility and spare equipment.
• B. Turn devices on and assume they work.
• C. Ignore battery status.
• D. Disconnect devices before transport.

Answer: (A)