Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ANATOMY - Head & Neck > 3.2 The Ear > Flashcards

3.2 The Ear Flashcards

1
Q

What separated the Middle Ear from the Outer Ear?

A

The Tympanic Membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the collective term for the bones in the Middle Ear?

A

The Ossicles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the names of the 3 Ossicles?

A
  1. The Malleus (Hammer)
  2. The Incus (Anvil)
  3. The Stapes (Stirup)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which of the 3 Ossicles is in contact with the Tympanic Membrane?

A

The Malleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What type of joint is found between the Ossicles?

A

A Synovial Joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which Ossicle is in contact with the Oval Window?

A

The Stapes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the 2 muscles related to the Ossicles?

A
  1. The Tensor Tympani Muscle

2. The Stapedius Muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the action of the Tensor Tympani Muscle?

A

This reduces the Amplitude of Vibration by pulling on the Handle of the Malleus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the action of the Stapedius Muscle?

A

This reduces the Oscillary Range by pulling the Stapes Laterally, which tightens the Angular Ligament

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which 2 areas of the body does the Middle Ear communicate with?

A
  1. The Nasopharynx - via the Eustachian Tube (Pharyngeotympanic Tube)
  2. The Mastoid Antrum - via the Air Cells
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Within which part of the Temporal Bone does the Middle and Inner Ear lie?

A

The Petrous Part

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What does the Inner Ear consist of?

A

Series of bone-lined chambers call the Bony Labyrinth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What lies inside the Bony Labyrinth?

A

A series of Membranous Chambers called the Membranous Labyrinth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What fluid lies within the Bony Labyrinth?

A

Perilymph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What fluid lies within the Membranous Labyrinth?

A

Endolymph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the function of the Cochlea and the Semi-Circular Canals?

A

Balance and Hearing

17
Q

Which Cranial Nerves exits through the Internal Auditory Meatus?

A
  1. The Facial Nerve (Cranial Nerve VII)

2. The Vestibulocochlear Nerve (Cranial Nerve VIII)

18
Q

Where dies the Facial Nerve (Cranial Nerve VII) run after passing through the Internal Auditory Meatus?

A

The Facial Canal on the Medial Wall of the Middle Ear Cavity

19
Q

What 6 Muscles are Innervated by the Facial Nerve?

A
  1. Frontalis
  2. Orbicularis Oculi
  3. Buccinator
  4. Orbicularis Oris
  5. Zygomaticus
  6. Platysma
20
Q

What is the name of the branch of the Facial Nerve (Cranial Nerve VII) which is given off in the Middle Ear Cavity?

A

The Chorda Tympani

supplies the anterior 2/3 of the tongue

21
Q

What does the Chorda Tympani Nerve carry?

A
  1. Parasympathetic (Pre-Ganglionic) Efferent fibers destined for Submandibular and Sublingual Salivary Glands - These are Secretomotor
  2. Sensory Fibers for the Special Sense of Taste from the Anterior 2/3 of the Tongue

ANATOMY - Head & Neck (22 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions