Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Anatomy - Year Two > Head And Neck - Wet Room (Week 2) > Flashcards

Head And Neck - Wet Room (Week 2) Flashcards

(57 cards)

Start Studying
1
Q

How many deciduous teeth do children have?

A

20

8 incisors
4 canines
8 molars

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

How many permanent teeth do adults have?

A

32

8 incisors
4 canines
8 premolars
12 molars

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

What type of joint is the temperomandibular joint (TMJ)?

A

Synovial hinge

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

What are the two articular processes of the TMJ?

A
  1. Mandibular fossa of the temporal bone

2. Condylar process of the mandible

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

What five movements occur at the TMJ?

A 
Elevation
Depression 
Protrusion 
Retraction 
Side to side motion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Name the four muscles of mastication

A
  1. Massater
  2. Temporalis
  3. Lateral pterygoid
  4. Medial pterygoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What shape is the temporalis?

A

Fan shaped

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

What are the bony attachments of the temporalis muscle?

A

Coronoid fossa of the mandible and temporal fossa

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

If the anterior fibres of the temporalis contract, what effect does this have on the mandible?

A

Elevation

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

If the posterior fibres of the temporalis contract, what effect does this have on the mandible?

A

Retraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Identify the bony attachments of the massater

A
  1. Zygomatic arch

2. Outer surface of ramus and coronoid process of the mandible

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

What is the action of the massater?

A

Elevation and protrusion of the mandible

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

The lateral pterygoid muscle attaches to the _____ aspect of the _____ pterygoid plate

A

lateral; lateral

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

The medial pterygoid muscle attaches to the _____ aspect of the _____ pterygoid plate

A

medial; lateral

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

To which part of the mandible does the medial pterygoid muscle attach?

A

Angle of the mandible

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

When the two lateral pterygoid muscles contract, they causes what action?

A

Protrusion of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

When the lateral pterygoid muscle contracts with the ipsilateral medial pterygoid muscle, what action does it cause?

A

Side to side motion of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

When the two medial pterygoid muscles contract, they causes what action?

A

Elevation of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What suprahyoid muscles depress the mandible?

A
  1. Digastric
  2. Geniohyoid
  3. Myelohyoid
    (all suprahyoid except stylohyoid)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What muscles causes elevation of the mandible?

A
  1. Massater
  2. Temporalis
  3. Medial pterygoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What muscles causes depression of the mandible?

A
  1. Lateral pterygoid (only muscle of mastication which depresses)
  2. Digastric
  3. Myelohyoid
  4. Geniohyoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What muscles causes protrusion of the mandible?

A

Lateral pterygoid and Masseter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What muscles causes retraction of the mandible?

24
Q

What muscles causes side to side movements of the mandible?

Study These Flashcards
A

Lateral and medial pterygoid acting together

25
What nerve innervates the muscles of mastication?
CN V3
26
Where does the trigeminal nerve exit the cranium?
Ovale forame
27
Where do the motor branches of CN V3 supply the muscles of mastication?
Infratemporal fossa
28
How does CN V3 give sensory innervation to the mandibular area?
Division of CN V3 (inferior alveolar nerve) enters into the mandibular foramen
29
What are the functions of the nose?
1. Olfaction 2. Trap dirt 3. Respiratory 4. Immune role
30
With what bone do the nasal bones articulate with superiorly at the naison?
Frontal
31
What bones from the roof of the nasal cavity from anterior to posterior?
Nasal bone, frontal bone, cribriform plate of the ethmoid and medial pterygoid plate of the sphenoid bone
32
What bones from the floor of the nasal cavity from anterior to posterior?
Palatine process of the maxillae and palatine bones
33
What two bones form the nasal septum?
Perpendicular plate of the ethmoid and the vomer
34
What passes through the cribriform plate?
Olfactory nerves
35
What attaches to the crista gali?
Falx cerebri ( attaches the dura mater to the anterior skull)
36
What are the five parts of the ethmoid bone?
1. The cribriform plate 2. The crista gali 3. The central plate 4. The superior and middle conchae 5. Ethmoid air cells
37
What are ethmoid air cells?
Numerous small sinus-like pockets in the lateral mass of the ethmoid bone
38
What two bones form the hard palate?
Maxilla and palatine bones
39
What kind of epithelium forms the respiratory mucosa which lines most of the nasal cavity?
Pseudostratified columnar
40
What cranial nerve is responsible for olfaction?
Olfactory nerve (CN I)
41
The lateral wall of the nasal cavity has three projections known as what?
Conchae
42
The spaces just inferior to these conchae are known as what?
Pleural meatuses
43
What is the name of the space just superior to the superior conchae?
Sphenoethmoidal recess
44
What bone forms the superior and middle conchae?
Ethmoid
45
The nose has a rich arterial supply from what artery?
Ophthalmic (a branch of the ICA)
46
Describe the network of arteries in the nose?
- Anterior and posterior ethmoid arteries - Sphenopalatine artery and it's branches - Greater palatine artery - Lateral nasal branches of facial artery
47
What is the clinical significance of Kisselbachs area in the nose?
Rich, anastomosing vasculature means bleeding due to trauma is profuse
48
What are the paranasal air sinuses?
Four paired air spaces proximal to the air cavity
49
What are the functions of the paranasal air sinuses?
Decreased weight of the skull and aid in resonance of the voice
50
What does the sphenoiethmoidal recess open into?
Sphenoidal sinus
51
What does the superior meatus open into?
Posterior ethmoid air cells
52
What does the middle meatus open into?
1. Maxillary air sinus 2. Frontal air sinus 3. Anterior and middle ethmoid air cells
53
What does the inferior meatus open into?
Nasolacrimal duct
54
Name the air sinus whose floor if often indented by tooth sockets?
Maxillary
55
How is the frontal air sinus innervated?
Ophthalmic nerve
56
How is the maxillary air sinus innervated?
CN V2 bitch
57
The sphenoid sinus and ethmoidal air cells are innervated by which nerves?
Ethmoid - CN V1 | Sphenoid - CN V1 and V2

Anatomy - Year Two (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions