1.

A patient presented with a 3.5 cms size lymph node enlargement,which was hard and present in the submandibular region.Examination of the head and neck did not yield any lesion.The next investigation to be done:

A. Chest x-ray
B. Triple endoscopy
C. Supra vital oral mucosa staining
D. Laryngoscopy
Answer» C. Supra vital oral mucosa staining


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