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
The ventilation chart shown depicts 
Select and explain. 
A. Continuous mandatory breaths, B. Synchronised intermittent mandatory breath, C. Continuous spontaneous ventilation, D. Continuous positive airway pressure.
B: Synchronised intermittent mandatory breath
Answer: B: Synchronised intermittent mandatory breath 
Explanation: When mandatory breaths are triggered by patient, it is called synchronised intermittent mandatory breath.