Exam 2 CN VII Facial

Question 1

The sensory root of the facial cranial nerve

Answer 1

Nervus Intermedius

Question 2

The apparent origin of the facial N lies at the inferior pontine sulcus, just lateral to the recess between what two structures?

Answer 2

Olive
Restiform Body (Inferior cerebellar peduncle)

Question 3

Name four cranial nuclei associated with facial and the modalities

Answer 3

Nucleus of Facial N - Branchial Efferent
Superior Salivatory Nucleus - Visceral Efferent
Tractus Solitarius - Special Sensory
Spinal Nucleus of Trigeminal - Somatic Afferent

Question 4

Name the target organs of the cranial nuclei associated with facial

Answer 4

Nucleus of Facial N - facial and auricular muscles
Superior Salivatory Nucleus - all glands of head except integumentary and parotid
Tractus Solitarius - taste
Spinal Nucleus of Trigeminal - skin of auricular concha and EAM

Question 5

Name the nucleus which sends visceral motor fibers to the submandibular, sublingual, and lacrimal glands

Answer 5

Superior Salivatory Nucleus

Question 6

Name the visceral efferent cranial nucleus and its peripheral ganglion

Answer 6

Superior Salivatory Nucleus and Genicular Gangion

Question 7

At the lateral end of the acoustic meatus, the facial N enters the facial canal to reach this

Answer 7

Stylomastoid foramen

Question 8

Name 4 nerves which communicate with facial at the stylomastoid foramen

Answer 8

Glossopharyngeal
Vagus
Great Auricular
Auriculotemporal

Question 9

Name two ganglia which communicate with the genicular ganglion

Answer 9

Pterygopalatine Ganglion

Otic Ganglion

Question 10

Name the modalities of the Greater Petrosal Nerve

Answer 10

Visceral Efferent

Special Sensory

Question 11

The greater petrosal N conveys between what?

Answer 11

Genicular Ganglion and N of the pterygoid canal

Question 12

The deep petrosal N conveys between what?

Answer 12

Internal carotid plexus and N of the pterygoid canal

Question 13

The external petrosal N conveys between what?

Answer 13

Middle meningeal sympathetic plexus and Genicular ganglion

Question 14

The lesser petrosal N conveys between what?

Answer 14

Tympanic plexus and Otic ganglion

Question 15

In the foramen lace rum, the greater petrosal N joins with what nerve to become the nerve of the pterygoid canal?

Answer 15

Deep Petrosal N from Internal Carotid Plexus

Question 16

Before the facial N emerges from the stylomastoid foramen, it receives the auricular N from what?

Answer 16

Vagus

Question 17

Name the nervous communications in sequence from the genicular ganglion to the pterygopalatine ganglion for the visceral efferent fibers

Answer 17

Genicular Ganglion - Greater Petrosal N of Facial N - Nerve to the Pterygoid Canal - Pterygopalatine Ganglion

Question 18

Name the two nerves which join and become the nerve to the pterygoid canal

Answer 18

Greater Petrosal N

Deep Petrosal N

Question 19

Name the nerve which conveys the middle meningeal sympathetic plexus to the genicular ganglion

Answer 19

External Petrosal N

Question 20

Name the nerve which communicates with the posterior branch of the great auricular nerve

Answer 20

Posterior Auricular N

Question 21

The cervical branch of the facial nerve communicates with what?

Answer 21

Transverse cutaneous nerve of neck

Question 22

Name two branches of the facial nerve in the facial canal

Answer 22

Nerve to stapedius

Chorda Tympani

Question 23

Name three branches of the facial nerve at the exit of the stylomastoid foramen

Answer 23

Posterior Auricular
Digastric
Stylohyoid

Question 24

Name five branches of the facial nerve on the face

Answer 24

Temporal
Zygomatic
Buccal
Marginal Mandibular
Cervical nerves

Question 25

Name the nerve which arises from the facial nerve opposite the pyramidal eminence on the posterior tympanic wall

Answer 25

Nerve to the stapedius

Question 26

Name the nerve which passes the middle tympanic cavity through the anterior and then posterior canaliculi

Answer 26

Chorda tympani of Facial Nerve

Question 27

Name the modalities of the chorda tympani

Answer 27

Visceral Efferent | Special Sensory

Question 28

The chorda tympani joins this nerve

Answer 28

Lingual N of Mandibular N

Question 29

Name the nerve which supplies the occipital belly of the epicranium

Answer 29

Occipital N of Posterior Auricular N

Question 30

Name the nerve which supplies the intrinsic muscles of the lateral surface of the auricle

Answer 30

Temporal N of Facial Nerve

Question 31

Name the 6 intrinsic muscles of the auricle

Answer 31

``` Helicis major Helicis minor Tragicus Antitragicus Transversus auriculae Oblique auriculae ```

Question 32

Name the nerve which supplies the frontal belly of the occipitofrontalis

Answer 32

Temporal N of Facial N

Question 33

Name the two nerves which innervate the orbicularis oculi

Answer 33

Zygomatic N of Facial N | Temporal N of Facial N

Question 34

The superficial branches of the buccal nerve join with what two nerves?

Answer 34

Infratrochlear N of Nasociliary N | External Nasal N of Anterior Ethmoidal N

Question 35

The levator anguli oris and the zygomaticus minor are innervated by what?

Answer 35

Upper deep branch of Buccal N of Facial N

Question 36

Name the nerve which innervates risorius

Answer 36

Marginal Mandibular N of Facial N

Question 37

Name two nerves which communicate with the posterior auricular nerve of the facial nerve

Answer 37

Posterior branch of the Great Auricular N | Lesser Occipital N

Question 38

Name the nerve which innervates the corrugator supercilii

Answer 38

Temporal N of Facial N

Question 39

The procerus is innervated by what?

Answer 39

Superficial branch of Buccal N of Facial N

Question 40

The zygomaticus major is innervated by what?

Answer 40

Upper deep branch of Buccal N of Facial N

Question 41

The transverse cutaneous cervical nerve communicates with what?

Answer 41

Cervical nerve of Facial N

Question 42

Name the sequence from superior salivatory nucleus to submandibular ganglion

Answer 42

Superior Salivatory Nucleus - Facial N - Genicular Ganglion - Chorda Tympani - Lingual N - Submandibular Ganglion

Question 43

Facial Paralysis is known as

Answer 43

Bell's Palsy