The Ear

Question 1

What type of joints are found between the ossicles?

Answer 1

Synovial

Question 2

What are the 3 structures that are collectively known as the ossicles?

Answer 2

Malleus
Incus
Stapes

Question 3

Which ossicle is in contact with the tympanic membrane?

Answer 3

Malleus

Question 4

Which ossicle is in contact with the oval window?

Answer 4

Stapes

Question 5

Name two muscles related to the ossicles?

Answer 5

Tensor Tympani

Stapedius

Question 6

Name two areas with which the cavity of the middle ear communicates

Answer 6

Nasopharynx

Mastoid antrum

Question 7

Within with part of the temporal bone do the middle and inner ear lie?

Answer 7

Petrous part

Question 8

The inner ear consists of a series of bone lined chambers called what?

Answer 8

The bony labyrinth

Question 9

Inside the bony labyrinth lies a series of membranous chambers called what?

Answer 9

The membranous labyrinth

Question 10

What is the fluid that lies within the bony labyrinth?

Answer 10

Perilymph

Question 11

What is the fluid that lies within the membranous labyrinth?

Answer 11

Endolymph

Question 12

What is the function of the cochlea?

Answer 12

Consists of sensory receptors for sound

Question 13

What is the function of the semicircular canals?

Answer 13

Consists of sensory receptors that detect movement (balance)

Question 14

Through which foramen does the facial nerve exit the posterior cranial fossa?

Answer 14

Internal Acoustic Meatus

Question 15

What does the chorda tympani nerve carry?

Answer 15

Parasympathetic efferent fibres destined for submandibular and sublingual salivary glands
Sensory fibres carrying special sense of taste

Question 16

What part of the tongue does the chorda tympani innervate?

Answer 16

Anterior third