This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
First step in CPR (cardio pulmonary resuciatation) should be : 
Select and explain. 
A. IV adrenaline, B. Intracardic atropine, C. Airway maintainance, D. Hystrectomy
C: Airway maintainance
Answer: C: Airway maintainance 
Explanation: C i.e. Airway maintenance