This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anaesthetic equipments, Subject name: Anaesthesia
The laryngeal mask airway used for securing the airway of a patient in all of the following conditions except 
Select and explain. 
A. In a difficult intubaton, B. In cardiopulmonary resuscitation, C. In a child undergoing an elective \/ routine eye sugery, D. In a patient with a large tumour in the oral cavity
D: In a patient with a large tumour in the oral cavity
Answer: D: In a patient with a large tumour in the oral cavity 
Explanation: LMA does not prevent Aspiration of gastric contents.also not used in pregnancy , oropharyngeal mass, obesity