Correct option is C
In case of an unconscious person, the first step in Basic Life Support (BLS) is to check for responsiveness to determine whether the person is aware or reacting.
· (a) Call for help - Emergency number – Incorrect, as assessing the person's condition first is crucial before calling for emergency services.
· (b) Open airway – Incorrect, as checking responsiveness comes before airway management. If unresponsive, airway intervention follows.
· (c) Check for responsiveness – Correct answer, as per the ABC protocol (Airway, Breathing, Circulation), checking responsiveness is the first step in an emergency.
· (d) Check for breath – Incorrect, as checking for breath comes after confirming unresponsiveness.