This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Anaesthesia
During intraoperative period following capnograph waveform is seen. What does it signify. 
Select and explain. 
A. Return of spontaneous ventilation, B. Airway obstruction, C. Hyperventilation, D. Oesophageal intubation
A: Return of spontaneous ventilation
Answer: A: Return of spontaneous ventilation 
Explanation: Above ETCO2 curve depictsSpontaneous effos It signifies return of spontaneous ventilation and the patient is coming out of the anaesthesia The cleft is K/ACURARE CLEFT Repeat a dose of neuromuscular blocker if you want to maintain the muscle paralysis ??"Malignant hypehermia:Progressive rise in ETCO2 ??"Bronchospasm:Shark fin appearance ??"Esophageal intubation: