MCQ IN MEDICINE

Detailed explanation-1: -The torus tubarius is located immediately posterior to the opening of the eustachian tube. The fossa of Rosenmuller is located superior and posteriorly to the torus tubarius. The adenoids (nasopharyngeal tonsils) are located in the roof and posterior wall of the nasopharynx.

Detailed explanation-2: -The pharyngeal tonsil is located in the nasopharynx and the auditory or Eustachian tubes open on the lateral wall of the nasopharynx, via a 4 mm long slit, dorsal to the middle of the soft palate, immediately rostral to a small mucosal cushion.

Detailed explanation-3: -Lymphoid tissue known as the adenoids or the pharyngeal tonsils occupies the posterosuperior surface of the nasopharynx and is part of a larger collection of lymphoid tissue known as Waldeyer’s ring.