T2 L1: Face, Temporal and infratemporal fossa

Question 1

Where is the basilar artery found?

Answer 1

It runs over the pons and supplies the posterior brain

Question 2

What does the muscle occipitofrontalis do?

Answer 2

Elevates eyes (found on the forehead)

Question 3

What does the muscle orbicularis oculi do?

Answer 3

Closes eyes (found around the eyes)

Question 4

What does the muscle orbicularis oris do?

Answer 4

Closes mouth

Question 5

What does the muscle zygomaticus major do?

Answer 5

Elevates the labial fissure (corners of the mouth

Question 6

What does the buccinator muscle do?

Answer 6

Compresses cheeks

Question 7

What does the Platysma muscle do?

Answer 7

Depresses the mandible against resistance and tenses the fascia of the neck

Question 8

What is unique about muscles of facial expression?

Answer 8

They are the only group of muscle that insert onto the skin. They don’t have the traditional muscle to tendon transition

Question 9

What is the cutaneous innervation of the face?

Answer 9

The Trigeminal nerve (CN V)

Question 10

What is the innervation of muscles of facial expression on the face?

Answer 10

The facial nerve (CN VII)

Question 11

What are the 3 divisions of the Trigeminal nerve?

Answer 11

Ophthalmic, Maxillary, and Mandibular

Question 12

What is the name of CN V1?

Answer 12

Ophthalmic

Question 13

What is the name of CN V2?

Answer 13

Maxillary

Question 14

What is the name of CN V3?

Answer 14

Mandibular

Question 15

Where does CN V1 exit via?

Answer 15

The superior orbital fissure

Question 16

Where does CN V2 exit via?

Answer 16

The foramen rotundum

Question 17

Where does CN V3 exit via?

Answer 17

Foramen Ovale

Question 18

Which areas do the sensory fibres of the Ophthalmic nerve supply?

Answer 18

Skin, Mucous membranes, Conjunctiva, Nose, Front of the head

Question 19

What are the 3 branches of the Ophthalmic nerve?

Answer 19

Lacrimal, Nasociliary, and Frontal

Question 20

How can the Ophthalmic nerve be tested?

Answer 20

Through the Corneal blink reflex

Question 21

Which areas do the sensory fibres of the Maxillary nerve supply?

Answer 21

Dura, Nasal cavity, upper cheek, Lip, and teeth

Question 22

What are the 3 branches of the Maxillary nerve?

Answer 22

Infraorbital, Zygomatic, and superior alveolar

Question 23

Which nerve gives off branches to the Pterygopalatine ganglion?

Answer 23

The Maxillary nerve. It enters through the Pterygopalatine fossa and branches through the inferior orbital fissure

Question 24

What is the sensory supply of the mandibular nerve?

Answer 24

Lower face, lip, and teeth

Question 25

What is the motor supply of the mandibular nerve?

Answer 25

Muscles of mastication

Question 26

What are the sensory branches of the mandibular nerve?

Answer 26

Auriculotemporal, buccal, lingual, inferior alveolar, and mental

Question 27

What are the motor branches of the mandibular nerve?

Answer 27

Temporalis, medial and lateral pterygoids, masseter, and mylohoid

Question 28

What is the temporal fossa?

Answer 28

A fan-shaped space on the lateral surface of the skull

Question 29

Where is the temporalis muscle found?

Answer 29

On the temporal fossa

Question 30

Which nerve has branches on the temporal fossa?

Answer 30

CN V2

Question 31

Where is the infratemporal fossa?

Answer 31

Below the temporal fossa

Question 32

Which nerves and arteries are found on the infratemporal fossa?

Answer 32

Medial and lateral pterygoids, maxillary artery, CN V3, branches of facial nerve (CN VII), glossopharyngeal nerve (CN IX), and the pterygoid plexus of veins

Question 33

What are the motor branches of the facial nerve (CN VII)?

Answer 33

Posterior auricular, temporal, zygomatic, buccal, marginal mandibular, cervical

Question 34

What are the parasympathetic branches of the facial nerve (CN VII)?

Answer 34

Branches to the pterygopalatine ganglion

Question 35

What are the taste branches of the facial nerve (CN VII)?

Answer 35

Via the chorda tympani via lingual nerve to anterior 2/3 of tongue

Question 36

What is the general sensory branch of the facial nerve (CN VII)?

Answer 36

The skin over the external auditory meatus

Question 37

What are the 3 salivary glands?

Answer 37

Parotid, submandibular, and sublingual

Question 38

Which nerve passes through the parotid gland?

Answer 38

The facial nerve (CN VII)

Question 39

Where in the mouth is saliva from the parotid gland released?

Answer 39

upper second molar

Question 40

What are the 2 branches of the vestibulocochlear nerve?

Answer 40

Vestibular nerve and cochlear nerve

Question 41

What is the special sensory function of the vestibulocochlear nerve (CN VIII)?

Answer 41

Somatic afferent for hearing, equilibrium, and motion

Question 42

What is the function of the temporalis muscle in mastication?

Answer 42

Elevation and retraction

Question 43

What is the function of the Masseter muscles in mastication?

Answer 43

Elevation

Question 44

What is the function of the Medial pterygoid muscle in mastication?

Answer 44

Elevation and side-to-side

Question 45

What is the function of the Lateral pterygoid muscle in mastication?

Answer 45

Protrusion and depression

Question 46

Which nerve supplies the muscles of mastication?

Answer 46

The motor branch of V3 (Mandibular nerve)

Question 47

Which special sense does the facial nerve have involvement in?

Answer 47

Taste

Question 48

Which artery supplies the face?

Answer 48

The external carotid artery

Question 49

What are the key branches of the external carotid artery of the face?

Answer 49

Lingual, facial, maxillary, and superficial temporal

Question 50

Which vein drains the face?

Answer 50

The facial vein. It starts near the eye and drains into the internal jugular vein

Question 51

Which vein do the internal jugular veins drain into?

Answer 51

The subclavian