How would you differentiate choking obstruction in an unconscious adult from a conscious one on board?

How would you differentiate choking obstruction in an unconscious adult from a conscious one on board?

• A. If unconscious, begin CPR with rescue breaths; if conscious, perform back blows and abdominal thrusts if trained and safe.
• B. If unconscious, call EMS only; if conscious, ignore symptoms.
• C. If unconscious, give rescue breaths only; if conscious, tap and ask to breathe.
• D. If unconscious, perform abdominal thrusts; if conscious, begin CPR.

Answer: (D)