Level 3 Vet Nursing – Ear Recap Quiz

What are the three main functions of the ear?

• Hearing, smell, and digestion

• Hearing, balance, and communication/expression

• Balance, vision, and taste

• Expression, breathing, and movement

What structure funnels sound waves down the ear canal toward the eardrum?

• Cochlea

• Tympanic membrane

• Pinna

• Incus

What is the function of the auditory ossicles?

• To produce endolymph

• To equalise pressure in the ear

• To convert sound to electrical signals

• To transmit vibrations from the tympanic membrane to the oval window

Which part of the ear contains the vestibular apparatus and cochlea?

• Middle ear

• Outer ear

• Inner ear

• Tympanic bulla

What is the role of the Eustachian tube?

• To drain earwax from the ear canal

• To amplify sound waves

• To equalise air pressure between the middle ear and the atmosphere

• To detect smell

Which fluid fills the bony labyrinth of the inner ear?

• Endolymph

• Perilymph

• Synovial fluid

• Plasma

What sensory structure is found within the cochlea?

• Crista ampullaris

• Macula

• Organ of Corti

• Utricle

What is the function of the macula in the utricle and saccule?

• To regulate pressure in the cochlea

• To detect sound waves

• To detect head position and linear movement

• To produce endolymph

What are the three auditory ossicles called?

• Hammer, anvil, stirrup

• Cochlea, vestibule, semicircular canals

• Utricle, saccule, ampulla

• Scala vestibuli, scala tympani, scala media

What occurs when the oval window vibrates?

• The tympanic membrane bulges

• The auditory nerve fires spontaneously

• Fluid movement is generated in the inner ear

• The ear canal widens