This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
Most common part of larynx involved in TB - 
Select and explain. 
A. Anterior, B. Posterior, C. Middle, D. Anywhere
B: Posterior
Answer: B: Posterior 
Explanation: Ans. is 4b' i.e., Posterior o Disease affects the posterior third of larynx more commonly than anterior part.o The parts affected in descending order of frequency are i) Interarytenoid fold, ii) Ventricular band, iii) Vocal cords,iv) Epiglottis.o Also see above explanation.