Face

Question 1

Which nerve supplies the muscles of the tongue? (-glossus)

Answer 1

Hypoglossal nerve

EXCEPT PALATOGLOSSUS - vagus nerve in pharyngeal plexus

Question 2

What nerves do the pharyngeal plexus consist of?

Answer 2

1) Glossopharyngeal nerve
2) Vagus nerve (MAINLY)
3) Accessory nerve

Question 3

What provides innervation to the pharyngeal muscles? (-pharyngeus)

Answer 3

Vagus nerve (pharyngeal plexus)

EXCEPT STYLOPHARYNGEUS - glossopharyngeal nerve in pharynx

Question 4

Which nerve innervates all muscles with origin from the styloid process?

Answer 4

Facial nerve

EXCEPT STYLOPHARYNGEUS - glossopharyngeal nerve in pharynx

Question 5

What are the muscles of the soft palate?

And which nerves innervates these muscles?

Answer 5

• *ALL MUSCLES: CN X pharyngeal plexus**
  1) Musculus uvulae (moves uvula)
  2) Palatoglossus (swallowing CN X pharyngeal plexus)
  3) Levator veli palatini (swallowing pharyngeal plexus)
  4) Palatopharyngeus (breathing CN X pharyngeal plexus)

EXCEPT
5) Tensor veli palatini (swallowing) CN V mandibular branch

Question 6

What are the intrinsic muscles of the tongue?

Answer 6

superior & inferior longitudinal
Transverse muscle
Verticle muscle

They provide curling & uncurling, flattening/rounding & whistling movements of tongue

Question 7

What are the extrinsic muscles of the tongue?

Answer 7

1) Palatoglossus - elevation & retraction
2) Styloglossus - elevation & retraction
3) Hyoglossus - depression
4) Genioglossus - protrusion

Question 8

What are the bony attachments of the extrinsic muscles of the tongue?

Answer 8

1) Hyoglossus - hyoid
2) Genio - mandible & hyoid
3) Palato - palatine aponeurosis
4) Stylo - styloid process & temporal

Question 9

What provides anterior 2/3 taste?

Answer 9

Chorda tympani (VII)

Question 10

What provides anterior 2/3 sensation?

Answer 10

lingual nerve (V) mandibular branch

Question 11

What provides the posterior 1/3 taste & sensation?

Answer 11

Glossopharyngeal nerve (IX)

Question 12

To which lymph nodes does the tip of the tongue drain into?

Answer 12

Submental LN

Question 13

To which lymph nodes does the anterior lateral 1/3 of the tongue drain into?

Answer 13

Ipsilateral submandibular LN

Question 14

To which lymph nodes does the anterior central 1/3 of the tongue drain into?

Answer 14

Bilateral submandibular LN

Question 15

To which lymph nodes does the posterior 1/3 of the tongue drain into?

Answer 15

Jugulo-omohyoid LN

Question 16

What are the final lymph nodes in the neck?

Answer 16

Jugulo-omohyoid & deep cervical LN

Question 17

What is the arterial supply to the lacrimal gland?

Answer 17

Ophthalmic artery

Question 18

Which muscles are innervated by the temporal branch of the facial (VII) nerve?

Answer 18

1) Frontalis
2) Orbicularis oculi
3) Corrugator supercilii

Question 19

Which muscles are innervated by the zygomatic branch of the facial (VII) nerve?

Answer 19

Orbicularis oculi.

Question 20

Which muscles are innervated by the buccal branch of the facial (VII) nerve?

Answer 20

1) Orbicularis oris
2) Buccinator
3) Zygomaticus muscles

Question 21

Which muscles are innervated by the marginal mandibular branch of the facial (VII) nerve?

Answer 21

Mentalis

Question 22

Which muscles are innervated by the cervical branch of the facial (VII) nerve?

Answer 22

Platysma

Question 23

Which muscle is innervated by the first branch of the facial nerve arising from within the facial canal?

Answer 23

Nerve to stapedius

Question 24

Which motor branches of the facial nerve are given off between the stylomastoid foramen & parotid gland?

Answer 24

1) Posterior auricular
2) Nerve to posterior belly of the digastric (posteiror belly)
3) Nerve to stylohyoid

Question 25

Which nerves carry the parasympathetic fibres of the facial nerve?

Answer 25

1) Greater petrosal nerve | 2) Chorda tympani

Question 26

From which nerve does the auriculotemporal nerve branch from?

Answer 26

Posterior division of mandibular nerve (V3)

Question 27

Around which artery does the auriculotemporal nerve wrap round?

Answer 27

Middle meningeal artery

Question 28

What are the nerves of the posterior division of the mandibular nerve?

Answer 28

1) Auriculotemporal 2) Lingual 3) Inferior alveolar

Question 29

What is the function of the auriculotemporal nerve?

Answer 29

1) Parotid gland sensation 2) Auricle sensation 3) External acoustic meatus 4) Outer side of tympanic membrane 5) Temporal skin 6) TMJ

Question 30

Parotid gland secretion is innervated by which nerve?

Answer 30

``` PARASYMPATHETIC (stimulates secretions) 1st - Glossopharyngeal nerve THEN 2nd - Otic ganglion THEN 3rd - Auriculotemporal nerve ``` SYMPATHETIC (inhibits secretions via vasoconstriction) 1st - Superior cervical ganglion 2nd - External carotid artery

Question 31

What is the blood supply to the Parotid gland?

Answer 31

1) Posterior auricular | 2) Superficial temporal

Question 32

What is the venous drainage of the Parotid gland?

Answer 32

Retromandibular vein (superficial temporal & maxillary)

Question 33

What are the nerves that supply motor innervation for the following muscles? 1) Styloglossus 2) Stylohyoid 3) Stylopharyngeus

Answer 33

1) XII 2) VII 3) IX

Question 34

What is the sensory innervation of the tonsillar fossa?

Answer 34

Glossopharyngeal nerve | minor contribution from lesser palatine nerve