<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: Most common pa of larynx involved in TB ?
Options:
A. Anterior
B. Posterior
C. Middle
D. Anywhere
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is B: Posterior. Explanation: Ans. is 'b' i.e., Posterior Essential otolaryngology 2"d/e p. 1139] Disease affects the posterior third of larynx more commonly than anterior pa. The pas affected in descending order of frequency are :- i) Interarytenoid fold, ii) Ventricular band, iii) Vocal cords, iv) Epiglottis.<|im_end|>
