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
VAT in mechanical ventilation stands for ? 
Select and explain. 
A. Ventilator associated trauma, B. Ventilator associated treatment, C. Ventilator associated tracheobronchitis, D. None of the above
C: Ventilator associated tracheobronchitis
Answer: C: Ventilator associated tracheobronchitis 
Explanation: Ans. is 'c' i.e., Ventilator associated tracheobronchitis (Ref: Nosocomial andVentilator-Associated Pneumonia p.14) VAT (Ventilator associated tracheobronchitis) & VAP (Ventilator associated pneumonia) are nosocomial lower respiratory tract infections common in patients who are on ventilator for long periods of time.