ear, taste anatomy MCQs

Taste from posterior 1/3 of the tongue is carried by which nerve?

• Chorda tympani

• Vagus

• Glossopharyngeal

• Vestibular

Location of the cortical center of the taste pathway.

• In lower part of postcentral gyrus

• In lower part of precentral gyrus

• In upper part of postcentral gyrus

• in upper part of precentral gyrus

Location of maculae.

• Chochlear duct

• Cochlear canal

• Utricle

• Anterior semicircular duct

Length of the external auditory meatus in adults is about...

• 34 mm

• 24 mm

• 16 mm

• 8 mm

The angle between tympanic membrane and floor of external auditory meatus is about…

• 45 degree

• 55 degree

• 65 degree

• 90 degree

Inner surface of the tympanic cavity is ...

• corrugated

• flat

• concave

• convex

Upper part of the tympanic membrane is called…

• Pars tensa

• Pars cartilaginea

• Pars ossea

• Pars flaccida

In middle part of the middle ear distance between medial wall and lateral wall is about…

• 2mm

• 4mm

• 6mm

• 8 mm

The tympanic cavity communicates anteriorly with…

• Epitympanic recess

• Mastoid antrum

• Nasopharynx

• Bony labyrinth

Chorda tympany runs on this wall of the middle ear.

• On medial wall

• On lateral wall

• On posterior wall

• On inferior wall