Hearing Loss Ear Anatomy and Physiology 2

Question 1

Which structure separates the outer ear from the middle ear?

Accepted Answer

Tympanic membrane

Answer

Oval window

Answer

Round window

Answer

Eustachian tube

Question 2

What is the primary function of the pinna (auricle)?

Accepted Answer

Collecting and funneling sound waves

Answer

Producing earwax

Answer

Amplifying nerve signals

Answer

Maintaining balance

Question 3

Which fluid fills the cochlear duct (scala media)?

Accepted Answer

Endolymph

Answer

Perilymph

Answer

Cerebrospinal fluid

Answer

Plasma

Question 4

The stapes transmits vibrations to the inner ear by pushing against which structure?

Accepted Answer

Oval window

Answer

Round window

Answer

Tympanic membrane

Answer

Helicotrema

Question 5

Which cells in the organ of Corti convert mechanical vibration into electrical signals?

Accepted Answer

Hair cells

Answer

Schwann cells

Answer

Goblet cells

Answer

Osteocytes

Question 6

What is the role of the Eustachian tube?

Accepted Answer

Equalizing middle ear pressure with the atmosphere

Answer

Producing endolymph

Answer

Detecting head rotation

Answer

Amplifying high frequencies

Question 7

Which cranial nerve carries auditory information to the brain?

Accepted Answer

Vestibulocochlear (VIII)

Answer

Trigeminal (V)

Answer

Facial (VII)

Answer

Glossopharyngeal (IX)