This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Modes of Ventilation, Subject name: Anaesthesia
Which of the following is not weaning mode of ventilation: 
Select and explain. 
A. Control mode ventilation, B. SIMV, C. PSV, D. CPAP
A: Control mode ventilation
Answer: A: Control mode ventilation 
Explanation: Weaning is gradual dicontinuation of ventilator. The modes which encourages the patients breathing can only be used as weaning mode. Control Mode Ventilation is not the weaning mode. Mechanical criteria for Discontinuing Mechanical Ventilation Inspiratory pressure <-25 cm H2O Tidal volume >5 mL/kg Vital capacity >10 mL/kg Minute ventilation <10 mL Rapid shallow breathing index <100