Chapter 8: Special Senses Exam

Front

What is the function of the oval window in the ear?

Back

The oval window is a membrane-covered opening that transmits vibrations from the stapes to the cochlea, initiating the process of hearing.

Front

What is the tympanic membrane commonly known as?

Back

The tympanic membrane is commonly known as the eardrum.

Front

What is the sclera?

Back

The sclera is the white outer layer of the eyeball that provides structure and protection.

Front

What part of the eye can vary in color and is responsible for controlling the size of the pupil?

Back

The iris is the part of the eye that can vary in color and controls the size of the pupil.

Front

What type of deafness is caused by damage to the pathway of sound?

Back

Conduction deafness is caused by damage to the pathway of sound, affecting the transmission of sound waves.

Front

What are the ossicles?

Back

The ossicles are three tiny bones in the middle ear (malleus, incus, stapes) that amplify sound vibrations.

Front

What is the cochlea and its role in hearing?

Back

The cochlea is a spiral-shaped organ in the inner ear that converts sound vibrations into electrical signals for the brain.

Front

What is the function of the semicircular canals?

Back

The semicircular canals are responsible for maintaining balance and spatial orientation.

Front

What is the role of the pinna in the auditory system?

Back

The pinna, or outer ear, collects sound waves and directs them into the ear canal.

Front

What is the difference between sensorineural and conduction deafness?

Back

Sensorineural deafness is caused by damage to the inner ear or auditory nerve, while conduction deafness is due to problems in the outer or middle ear.