EAR Quiz

Each ampulla of a semicircular canal contains a(n) ________ which is involved in rotational movement of the head. Crista Ampullaris Helicotremma Macula Organ of Corti

Crista Ampullaris

What ossicle causes the oval window to move in and out setting fluid in the inner ear in motion? Stapes malleus Macula incus

Stapes

All of the following are part of the cochlea EXCEPT Utricle Scala Media/cochlear duct Scala tympani Scala Vestibuli

Utricle

This structure is the largest of the two structures that detect positional placement of your head (like when resting on your chest)

Utricle

Gel-like structure embedded with the tips of semi-circular

cupula

This structure is important in equalizing air pressure on both sides of the tympanum

pharyngotympanic tube

This structure is the smallest of the two structures that contain otoliths

saccule

These detect rotational movement

semicircular ducts

This ossicle covers the oval window

stapes

Gel-like structure embedded with the tips of cochlear hair cells

tectorial membrane

This structure is the boundary between the outer and middle ear

tympanum

Bony labyrinth containing the utricle and saccule

vestibule

All of these regions use hair cells EXCEPT Auditory Ossicles macula Crista Ampullaris Organ of Corti

Auditory Ossicles

Otoliths are crystals of ________________ associated with the _________________. Calcium carbonate; macula Calcium carbonate; Ampulla Calcium phosphate; Ampulla Calcium phosphate; macula

Calcium carbonate; macula

Which auditory ossicle is attached to the tympanic membrane? malleus anvil incus stapes

Malleus

Fluid in the scala vestibuli is continuous with fluid in the scala tympani through which structure? Helicotremma Canal of Schlemm Eustachian tube Anterior chamber

Helicotremma

The name for one of the structures involved in detecting a change in the position of the head and linear acceleration. Macula Crista Ampullaris Ampullae Helicotremma

Macula

This structure is attached to the tympanum and is the first of the three ossicles

malleus

Spiral organ containing cochlear hair cells

organ of corti