EAR

Question 1

Organ for hearing that translates sound waves into meaningful information as interpreted by the brain of CNS

Answer 1

Ear

Question 2

What are the 3 parts of the ear?

Answer 2

External/Outer Ear
Middle Ear
Internal/Inner Ear

Question 3

What part of the ear receives sound waves

Answer 3

External/Outer Ear

Question 4

What part of the ear transforms sound waves into vibrations at the auditory ossicles?

Answer 4

Middle Ear

Question 5

What part of the ear:

Conveys impulses to CNS via CN VIII

Contains vestibular organs responsible for vestibular function or equilibrium/balance

Generate specific nerve impulses that are conducted by the acoustic/auditory nerve to the brain

Answer 5

Internal/Inner Ear

Question 6

Where is the embryonic origin of External and Middle Ear?

Answer 6

1st Branchial Pouch

Question 6

Where is the embryonic origin of Internal Ear?

Answer 6

1st Branchial Groove

Question 7

What are the 4 parts of the External ear?

Answer 7

Pinna/Auricle
External Auditory Meatus
External Auditory Canal
Ceruminous Glands

Question 8

What are the 2 parts of Tympanic Membrane?

Answer 8

Radial and concentric collagenous fibers
Schrapnell’s membrane

Question 9

What are the 2 parts of the middle ear?

Answer 9

Tympanic Cavity
Eustachian tube