Pre test Hearing loss (anatomy and physiology of hearing)

The ear is divided into how many main parts?

• 1

• 2

• 3

• 4

Which structure in the ear is not role in hearing the sound?

• Cochlea

• Eardrum

• Ossicular chain

• Semicircular canals

What are the three important structures in the middle ear?

• Cochlea, Auditory canal, Eustachian tube

• Malleus, Incus, Stapes

• Tympanic membrane, Cochlea, Oval window

• Semicircular canals, Auditory ossicles, Eardrum

What is the function of hair cells in the inner ear?

• Protect against loud sounds

• Convert sound waves into neural signals

• Transmit sound to the middle ear

• Regulate balance

High-frequency sounds are primarily processed in which part of the inner ear?

• Cochlea

• Vestibule

• Auditory canal

• Eardrum

Which nerve is responsible for transmitting auditory signals from the ear to the brain?

• Cranial nerve 7

• Cranial nerve 8

• Cranial nerve 2

• Cranial nerve 5

Where in the brain are auditory signals processed?

• Cerebellum

• Temporal lobe

• Frontal lobe

• Occipital lobe

What is the significance of the cochlea in hearing?

• It regulates pressure in the ear

• It converts sound waves into neural signals

• It prevents infections

• It helps with balance

What type of cells are responsible for amplifying sound vibrations in the middle ear?

• Hair cells

• Fibroblasts

• Ossicles

• Schwann cells

What are some causes of hearing loss related to structural defects in the ear?

• Infections

• Ear trauma

• Degeneration of hair cells

• All of the above