A&P during class pre class quiz EENT

What is the function of the pinna in the human ear?

• Produces earwax

• Converts sound waves into electrical impulses

• Directs sound waves towards the ear canal

• Transmits vibrations to the brain

Match the following parts of the ear with the correct description.

• Part that leads to the eardrum

• Ear canal

• Includes the pinna and earlobe

• Inner ear

• Contains the ossicles

• Outer ear

• Contains the cochlea and auditory nerve

• Middle ear

The primary role of the cochlea is (a)   .

• Sound conversion
• Vibration transmission
• Sound direction
• Balance

What substance is secreted by ceruminous glands?

• Cerumen

• Endolymph

• Mucus

• Perilymph

Match the following structures with their functions related to the ear.

• Responsible for maintaining balance

• Tympanic membrane

• Vibrates in response to sound waves

• Cochlea

• Equalizes pressure in the middle ear

• Eustachian tube

• Involved in hearing

• Semicircular canals

The eustachian tube connects the middle ear to (a)   .

• Cochlea to the auditory nerve
• Outer ear to the middle ear
• Middle ear to the inner ear
• Middle ear to the nasopharynx

What is the function of the oval window?

• Transfer vibrations to the cochlea

• Vibrate the tympanic membrane

• Connect the middle ear to the inner ear

• Secrete cerumen

The part of the ear that is shaped like a snail's shell is (a)   .

• Cochlea
• Semicircular canals
• Vestibule
• Eustachian tube

What is the primary function of the hair cells in the organ of Corti?

• Produce perilymph

• Detect changes in head position

• Equalize pressure across the tympanic membrane

• Convert vibrations into electrical impulses

Match the following locations with their corresponding anatomical positions.

• Location of the tympanic membrane

• Between the middle ear and inner ear

• Location of the tympanic membrane

• Between the outer and middle ear

• Location of the cochlear nerve

• At the end of the ear canal

• Location of the Eustachian tube

• Inside the cochlea