Final Exam

Question 0

What are the names given to the afferent root of the seventh cranial nerve?

Answer 0

The nervus intermedius, the nerve of Wrisberg

Question 1

Because of its function, the seventh cranial nerve is often called the?

Answer 1

Great Motor Nerve of the Face

Question 2

What classifications of fibers are conveyed at the apparent origin of the seventh cranial nerve?

Answer 2

Branchial efferent, visceral efferent, somatic afferent, special visceral

Question 3

What is the name of the location for multipolar branchial efferent neurons of cranial nerve VII?

Answer 3

Facial motor nucleus

Question 4

What is the opening through which the seventh cranial nerve exits the cranial vault?

Answer 4

Internal acoustic meatus of the temporal bone

Question 5

What is the name of the afferent ganglion for the seventh cranial nerve?

Answer 5

Geniculate ganglion, genicular ganglion

Question 6

Most of the seventh cranial nerve will exit the skull via what opening?

Answer 6

The stylomastoid foramen

Question 7

Into what region of the head will the stylomastoid foramen open?

Answer 7

The parotid region

Question 8

Branchial efferent fibers carried in the seventh cranial nerve will innervate what muscles?

Answer 8

Muscles of facial expression, muscles of the scalp and auricle, the buccinator, platysma, stapedius, stylohyoid, and the posterior belly of the digastric

Question 9

What will the parasympathetic efferent pathways of the seventh cranial nerve supply?

Answer 9

The lacrimal, submandibular, sublingual, lingual, and mucosal glands

Question 10

Preganglionic visceral efferent fibers of cranial nerve VII will exit the pons in what nerve?

Answer 10

Nervus intermedius, nerve of Wrisberg, sensory root of facial nerve

Question 11

Which immediate branch of the seventh cranial nerve will convey preganglionic parasympathetic efferent fibers to the lacrimal gland?

Answer 11

Greater petrosal or greater superficial nerve

Question 12

Which branch of the seventh cranial nerve will convey preganglionic parasympathetic fibers into the pterygopalatine ganglion?

Answer 12

Vidian nerve or nerve of the pterygoid canal

Question 13

The continuation of the great petrosal nerve exits the middle cranial fossa by what opening?

Answer 13

Vidian canal or pterygoid canal of the sphenoid bone

Question 14

The vidian canal opens into what region of the head?

Answer 14

The pterygopalatine region, sphenopalatine region

Question 15

What are the names of the ganglion of synapse in the efferent pathway to the lacrimal gland?

Answer 15

Pterygopalatine ganglion, sphenopalatine ganglion, Meckel’s ganglion

Question 16

Postganglionic parasympathetic efferent fibers from the pterygopalatine, sphenopalatine or Meckel’s ganglion will become incorporated in which cranial nerve branch?

Answer 16

Maxillary nerve of the trigeminal

Question 17

The maxillary division of the cranial nerve V exits the pterygopalatine region via what opening?

Answer 17

The inferior orbital fissure

Question 18

What bones converge to form the inferior orbital fissure?

Answer 18

Sphenoid maxillary, palatine, and zygomatic

Question 19

The parasympathetic pathway to the lacrimal gland will involve branches from which cranial nerves?

Answer 19

Facial and trigeminal nerves

Question 20

What immediate branch of the maxillary nerve will convey postganglionic parasympathetic efferent fibers to the lacrimal gland?

Answer 20

Zygomatic nerve

Question 21

Which branch of the zygomatic nerve will convey postganglionic parasympathetic efferent fibers to the lacrimal gland?

Answer 21

Zygomaticotemporal nerve

Question 22

The zygomaticotemporal nerve will convey postganglionic parasympathetic efferent fibers to the lacrimal gland through a communication with which branch of the fifth cranial nerve?

Answer 22

Ophthalmic nerve

Question 23

Which ophthalmic nerve branch will contain postganglionic parasympathetic efferent fibers?

Answer 23

Lacrimal nerve

Question 24

Postganglionic parasympathetic efferent fibers from the ophthalmic nerve will innervate which gland?

Answer 24

Lacrimal gland

Question 25

What is the nucleus of origin for the preganglionic parasympathetic fibers carried in the seventh cranial nerve for the submandibular and sublingual glands?

Answer 25

Superior salivatory nucleus

Question 26

Which immediate branch of the seventh cranial nerve will convey preganglionic parasympathetic efferent fibers to the submandibular and sublingual glands?

Answer 26

Chorda tympani nerve

Question 27

The chorda tympani nerve exits the temporal bone via which opening?

Answer 27

The petrotympanic fissure of the temporal bone

Question 28

The chorda tympani nerve will join which nerve?

Answer 28

The lingual nerve of the mandibular division of the trigeminal

Question 29

Which branch of the mandibular division of the trigeminal will convey preganglionic parasympathetic efferent fibers to the submandibular and sublingual glands?

Answer 29

Lingual nerve

Question 30

Preganglionic parasympathetic efferent fibers will synapse in which ganglion along the pathway to the sublingual gland?

Answer 30

Submandibular ganglion

Question 31

The parasympathetic pathway to the submandibular and sublingual glands will involve branches from which cranial nerves?

Answer 31

Facial nerve and trigeminal nerve