Overview

Question 1

Name these sutures

Answer 1

A coronal
B Sagittal
C lambdoid
E squamous

Question 2

Where is the pterion and what bones make it up?

Answer 2

Question 3

What could arise as a consequence of trauma at the pterion?

Answer 3

• weakest point of the skull
• rupture of middle meningeal artery
• extra-dural haemorrhage

Question 4

Pneumatised bones of cranium?

Answer 4

Air filled
- temporal
- sphenoid
- ethmoid
- frontal
- maxilla

Question 5

Bones of the facial skeleton?

Answer 5

Question 6

Branches of trigeminal nerve?

Answer 6

• ophthalmic (s)
• maxillary (s)
• mandibular (sm)

Question 7

What nerve gives motor supply to the muscles of mastication?

Answer 7

Mandibular branch of trigeminal nerve (V)

Question 8

What nerve supplies the muscles of facial expression?

Answer 8

Facial nerve

Question 9

What nerve supplies sensory innervation to the face?

Answer 9

Trigeminal

Question 10

What three vessels run through the parotid gland?

Answer 10

• facial nerve
• retro mandibular vein
• external carotid artery

Question 11

What are the branches of the facial nerve?

Answer 11

• temporal
• zygomatic
• buccal
• marginal mandibular
• cervical

Question 12

Which nerve increases secretion of the parotid gland?

Answer 12

Glossopharyngeal

Question 13

What is the origin and insertion of the masseter?

Answer 13

• zygomatic arch
• angle of the mandible

Question 14

What is the function of the masseter?

Answer 14

Elevates the mandible

Question 15

What is the origin and insertion of the temporalis?

Answer 15

• floor of temporal fossa
• coronoid process

Question 16

What is the function of the temporalis?

Answer 16

Elevates the mandible
Retracts the mandible

Question 17

What is the origin and insertion of the medial pterygoid?

Answer 17

• tuberosity of maxilla/medial surface of pterygoid plate
• angle of the mandible

Question 18

What is the function of the medial pterygoid?

Answer 18

Elevates the mandible
Protrudes the mandible

Question 19

Which is the only muscle of mastication which we cannot test?

Answer 19

Medial pterygoid

Question 20

What is the origin and insertion of the lateral pterygoid?

Answer 20

• lateral surface of pterygoid plate
• intra-auricular disk/anterior border of condyle

Question 21

What is the function of the lateral pterygoid?

Answer 21

Depress the mandible
Laterally deviate the mandible

Question 22

What are the two parts of the obicularis oculi and their function?

Answer 22

• orbital=strong closure
• palpebral=soft closure

Question 23

Which disease causes a patient to have a mask like facial expression?

Answer 23

Parkinson’s

Question 24

Which disease results from facial paralysis on one side?

Answer 24

Bell’s palsy

Question 25

Where in the cranium, does the spinal cord enter?

Answer 25

Foremen magnum of the occipital lobe

Question 26

Thinnest bone?

Answer 26

Lacrimal

Question 27

Branches of external carotid artery?

Answer 27

• SUPERFICIAL TEMPORAL
• MAXILLARY
• posterior auricular
• occipital
• facial
• lingual
• ascending pharyngeal
• superior thyroid

Question 28

Three vessels which extend off the aortic arch?

Answer 28

• branciocephalic
• left common carotid
• left subclavian

Question 29

TMJ anatomy

Answer 29

Question 30

What type of joint is the TMJ?

Answer 30

Synovial

Question 31

Nerve supply to tongue?

Answer 31

Question 32

Nerve supply to anterior triangle?

Answer 32

• hypoglossal

Question 33

Blood supply to TMJ?

Answer 33

• maxillary artery
• superficial temporal artery