Head — Flashcards

Flashcard 201: Osteomas are most commonly seen in the _____ sinus

Answer: frontal

Flashcard 202: A cone of light can be seen radiating from the tip of malleus (umbo) to the periphery in the _____ quadrant of the tympanic membrane.

Answer: anteroinferior

Flashcard 203: The bulge on the medial wall, called the _____ is due to the basal coil of the cochlea

Answer: promontory

Flashcard 204: Which meningeal layer is usually resistant to spread of the middle ear tumors?_____

Answer: Dura

Flashcard 205: What are the 2 branches of the ICA given by the petrous part (through the carotid canal)?_____

Answer: Caroticotympanic arteries and artery of pterygoid canal

Flashcard 206: Vestibule is part of _____ labyrinth.

Answer: bony

Flashcard 207: What parts of the pinna are devoid of cartilage?_____

Answer: Incisura terminalis and the lobule

Flashcard 208: Branches of Mandibular nerve:Inferior alveolar nerve of the posterior division supplies the _____

Answer: lower teeth (sensory)

Flashcard 209: The _____ is the narrowest part of the nose and offers maximum resistance to airflow

Answer: nasal valve

Flashcard 210: What angle does the Eustachian tube make with the horizontal?

Answer: 45°

Extra: In adults, the Eustachian tube makes an angle of approximately 45° with the horizontal plane. In infants, the tube is shorter, wider, and more horizontal (about 10°), which predisposes them to middle ear infections (Otitis Media).