WorksheetsAnatomy of the Ear
Total questions: 10
Worksheet time: 10mins
What is the name of # 3?
Malleus
Helix
Auricle (Pinna)
Tympanum (ear drum)
What is the function of # 3?
Collect soundwaves and direct them into the external acoustic meatus
Secrete a waxy substance known as cerumen
Amplify and transmit vibrations of the tympanum inward to the inner ear
Connect the middle ear cavity to the nasopharynx
What part contains the ceruminous glands (which secrete cerumen/ear wax)?
4
7
8
9
Where is the tympanic membrane?
4
6
7
8
What is # 7?
Middle ear
Nasopharynx
Pharyngotympanic (auditory) tube
Auditory ossicle
What is the function of the auditory ossicles (# 1,2,3)?
Connect the middle ear cavity to the nasopharynx
Perform the attenuation reflex
Contain the receptor structures for hearing
Amplify and transmit vibrations of the tympanum inward to the inner ear
What is # 3?
Temporal bone
Cochlea
Vestibule
Endolymph
What is the function of # 3?
Contains receptors that send impulses that the brain interprets as sounds
Contains sensory receptors for equilibrium
Contains perilymph which suspends the membranous labyrinth
Surrounds the Eustachian tube and swells due to upper respiratory infection
Which two numbers make up the vestibular complex?
1 & 2
4 & 5
6 & 7
3 & 8
What is the function of the vestibular complex?
Contains sensory receptors for equilibrium. Sends nerve impulses that brain interprets as body position or movement.
Contains receptors that send impulses that the brain interprets as sounds.
Surrounds the Eustachian tube and swells due to upper respiratory infection.
Amplify and transmit vibrations of the tympanum inward to the inner ear.
