Question 1

All of the following are found in the cochlea EXCEPT ________.&#10;A) utricle&#10;B) tympanic duct&#10;C) scala media&#10;D) vestibular duct

Accepted Answer

The utricle is not found in the cochlea, it is part of the vestibular system which is separate from the cochlea located in the inner ear. The other three options, tympanic duct, scala media, and vestibular duct, are all structures found in the cochlea.

Question 2

The cupula are found in the ________.&#10;A) vestibule&#10;B) saccule&#10;C) ampulla&#10;D) utricle

Accepted Answer

The cupula are sensory structures found in the ampulla of the semicircular canals in the inner ear.

Question 3

Which part of the ear is involved in balance?&#10;A) outer ear&#10;B) the ear does not function to maintain balance&#10;C) middle ear&#10;D) inner ear

Accepted Answer

The inner ear is responsible for maintaining balance through the vestibular system, which consists of three semicircular canals that detect rotational movements and two otolith organs that detect linear movements and gravity.

Question 4

Which structure delivers sound waves to the tympanic membrane?&#10;A) auditory tube&#10;B) external auditory meatus&#10;C) pinna&#10;D) none of the above

Accepted Answer

The external auditory meatus (also known as ear canal) is the structure that leads sound waves to the tympanic membrane (also known as eardrum). The auditory tube (also known as Eustachian tube) connects the middle ear to the nasopharynx and helps equalize pressure, but does not deliver sound waves. The pinna (also known as auricle) is the external visible part of the ear and helps collect sound waves, but does not directly deliver them to the tympanic membrane. Therefore, the best choice is B.

Question 5

Which type of gland is found in the middle ear?&#10;A) mucus&#10;B) ceruminous&#10;C) sebaceous&#10;D) mammary

Accepted Answer

The gland found in the middle ear is the ceruminous gland. This gland produces earwax or cerumen, which helps protect and lubricate the ear canal.

Question 6

Receptors for hearing are located in the ________.&#10;A) semicircular canals&#10;B) utricle&#10;C) vestibule&#10;D) cochlea

Accepted Answer

Receptors for hearing are located in the cochlea.

Question 7

Which structure attaches the tympanic cavity to the nasopharynx?&#10;A) external acoustic meatus&#10;B) auditory tube&#10;C) auditory ossicles&#10;D) none of the above

Accepted Answer

The auditory tube, also known as the eustachian tube, connects the tympanic cavity to the nasopharynx. This tube allows for equalization of pressure between the middle ear and the environment outside the body. The external acoustic meatus is the opening in the ear canal that leads to the tympanic membrane (eardrum), and the auditory ossicles (malleus, incus, and stapes) are tiny bones in the middle ear that transmit vibrations from the tympanic membrane to the inner ear.

Question 8

Which structure pushes on the oval window of the inner ear to stimulate the auditory receptors?&#10;A) malleus&#10;B) tympanic membrane&#10;C) stapes&#10;D) incus

Accepted Answer

The stapes, the smallest bone in the human body, pushes on the oval window of the inner ear to stimulate the auditory receptors. The malleus, incus, and tympanic membrane are all part of the middle ear, which transmits vibrations to the inner ear.

Question 9

The receptors for dynamic equilibrium are in the ________.&#10;A) semicircular canals&#10;B) vestibule&#10;C) cochlea&#10;D) utricle

Accepted Answer

The semicircular canals are responsible for detecting angular or rotational movements of the head, which are key components of dynamic equilibrium.

Question 10

Which of the following is NOT part of the external ear?&#10;A) external acoustic meatus&#10;B) auditory tube&#10;C) tympanic membrane&#10;D) pinna

Accepted Answer

The auditory tube is part of the middle ear, not the external ear. The external ear includes the pinna, external acoustic meatus, and tympanic membrane.

Question 11

All of the following are found in the inner ear EXCEPT ________.&#10;A) vestibule&#10;B) auditory ossicles&#10;C) semicircular canals&#10;D) cochlea

Accepted Answer

The answer of All of the following are found in...

Question 12

Perilymph is found in the ________.&#10;A) auditory tube&#10;B) bony labyrinth&#10;C) external acoustic meatus&#10;D) membranous labyrinth

Accepted Answer

The answer of Perilymph is found in the ________.&#10;A) auditory...

Question 13

An otoscope is used to examine which part of the ear?&#10;A) cochlea&#10;B) tympanic cavity&#10;C) tympanic membrane&#10;D) auditory ossicles

Accepted Answer

The answer of An otoscope is used to examine which...

Question 14

The receptor for static equilibrium is the ________.&#10;A) utricle&#10;B) semicircular canals&#10;C) cochlea&#10;D) macula

Accepted Answer

The answer of The receptor for static equilibrium is the...

Question 15

What is an essential part of the maculae involved in static equilibrium?&#10;A) scala media&#10;B) organ of Corti&#10;C) otoliths&#10;D) cupula

Accepted Answer

The answer of What is an essential part of the...

Question 16

All of the following are found in the middle ear EXCEPT ________.&#10;A) malleus&#10;B) cochlea&#10;C) stapes&#10;D) incus

Accepted Answer

The answer of All of the following are found in...

Deck 31: Anatomy of the Ear