Weekly assesment questions (1)

Question 1

Location of Asterion

Answer 1

asterion is located laterally on the skull at the junction of the lambdoid, occipitomastoid and parietom astoid sutures.

Question 2

This craniometric point long the sagittal suture represents the most superior aspect of the skull

Answer 2

Vertex

Question 3

located posteriorly on the skull at the junction of the sagittal and lambdoid sutures

Answer 3

Lamba

Question 4

located superiorly on the skull at the junction of the coronal and sagittal sutures

Answer 4

Bregma

Question 5

In an industrial accident, a 58 y.o. man suffers a fracture of the inferior portion of the lateral margin of the orbit. Which bone contributes to this margin of the orbit

Answer 5

Zygomatic

Question 6

bone forms the inferolateral and lateral margins of the orbit

Answer 6

Zygomatic

Question 7

contributes to the medial aspect of the orbit.

Answer 7

lacrimal

Question 8

bone does not contribute to the orbital margin. It forms the bridge of the nose

Answer 8

nasal

Question 9

contributes to the medial aspect of the inferior orbital margin

Answer 9

maxilla

Question 10

passes through the substance of the parotid gland.

Answer 10

Facial N

Question 11

It innervates the muscles of facial expression.

Answer 11

facial nerve

Question 12

Damage to the nerve will result in facial droop.

Answer 12

facial nerve

Question 13

Innervation to the parotid gland is via the

Answer 13

glossopharyngeal n. (CN IX)

Question 14

Innervation of the submandibular and sublingual salivary glands is provided by

Answer 14

the chorda tympani nerve. .

Question 15

Chorda Tympani is a branch of

Answer 15

This branch of CN VII

Question 16

Path of Chorda Tympani

Answer 16

exits the skull via the petrotympanic fissure and does not pass through the substance of the parotid gland

Question 17

Sensory innervation of the check is provided by the

Answer 17

buccal branch

Question 18

Buccal Nerve is from:

Answer 18

of the mandibular division of the trigeminal nerve (CN V).

Question 19

The hypoglossal nerve (CN XII) damage

Answer 19

tonuge paralysis

Question 20

The spinal accessory nerve innervates

Answer 20

the sternocleidomastoid muscle and the trapezius muscle.

Question 21

ansa cervicalis overlies the

Answer 21

carotid sheath which is deep to the sternocleidomastoid.

Question 22

Its branches innervate the infrahyoid muscles.

Answer 22

Ansa Cervicalis

Question 23

These nerves are sensory branches from C3 and C4.

Answer 23

supra clavicular

Question 24

This nerve runs in a groove between the trachea and esophagus.

Answer 24

Recurrent laryngeal

Question 25

It provides motor innervation to intrinsic laryngeal muscles.

Answer 25

Recurrent laryngeal

Question 26

is a sensory branch from C2.

Answer 26

The lesser occipital nerve

Question 27

The artery crosses the mandible just anterior to the masseter muscle.

Answer 27

Facial

Question 28

is a branch of the superficial temporal artery

Answer 28

Transverse facial

Question 29

provides sensory innervation to the tip of the nose, the bridge of the nose, upper eyelid, the forehead and anterior scalp.

Answer 29

V1: opthlamic

Question 30

provides sensory innervation to the upper lip, prominence of the cheek, lower eyelid and along the lateral aspect of the orbit.

Answer 30

V2: maxillary

Question 31

orbicularis oculi muscle, a muscle of facial expression, is innervated by

Answer 31

the facial nerve

Question 32

These three nerves are purely motor nerves that innervate the extraocular muscles.

Answer 32

III, IV, VI

Question 33

nerve is a purely sensory nerve associated with the special sense of vision.

Answer 33

II

Question 34

provides sensation from the lower jaw and side of the face and provides motor innervation to the muscles of mastication

Answer 34

V3

Question 35

nerve both pass through the internal acoustic meatus

Answer 35

Vestibulochoclear and Facial

Question 36

which innervates the muscles of mastication, passes through the foramen ovale.

Answer 36

Mandibular division of trigeminal V3

Question 37

Damage to V3

Answer 37

hard to chew and sensation on lower jaw

Question 38

Hoarseness could result from injury to

Answer 38

the recurrent branch of the vagus nerve (CN X).

Question 39

CN X exits the skull through the

Answer 39

jugular foramen

Question 40

) courses anteriorly through the submandibular triangle on its way to innervate the tongue.

Answer 40

hypoglossal nerve (CN XII)

Question 41

When doing surgery near the submandibular gland, the surgeon would try to identify this nerve as to not damage it while removing the tumor.

Answer 41

Hypoglossal nerve XII

Question 42

maxillary nerve is a branch (V2) of the trigeminal nerve (CN V) that exits the skull via

Answer 42

the foramen rotundum and enters the pterygopalatine fossa where it branches into the orbit and other areas of the midface

Question 43

the facial vessels course through the submandibular triangle, the facial nerve

Answer 43

does not.

Question 44

The facial nerve exits from the ________________ in the skull and passes through the ____________, at which point it branches into five major branches.

Answer 44

stylomastoid foramen | parotid gland

Question 45

the mandibular nerve (V3) is a branch of the trigeminal nerve (CN V) that exits the skull via the

Answer 45

foramen ovale to enter the infratemporal fossa and branches extensively.

Question 46

accessory nerve exits the skull base via the _________ and travels deep to the sternocleidomastoid muscle. It is not located near the submandibular gland.

Answer 46

jugular foramen

Question 47

A 43-year-old patient sees his doctor because of loss of bitter and sour taste on the back 1/3 of his tongue and trouble swallowing. Identify the cranial nerve most likely to be injured in this patient

Answer 47

glossopharyngeal nerve

Question 48

carries special sensory taste fibers from the posterior 1/3 of the tongue. When damaged, taste from the posterior 1/3 of the tongue is lost. Similarly, this nerve also contributes to the pharyngeal plexus, which can lead to impaired swallowing if this nerve is damaged

Answer 48

Glossophyarngeal nerve

Question 49

is responsible for innervation of the superior oblique extraocular muscle

Answer 49

CN IV, or the trochlear nerve

Question 50

provides motor innervation to most of the extraocular muscles of the eye, in addition to controlling constriction of the pupil and maintaining an open eyelid.

Answer 50

Oculomotor nerve III

Question 51

nerve, provides sensory innervation to the lower lip, along the mandible, and the area anterior to the ear, coinciding with this patient’s loss of sensation.

Answer 51

CN V, or the trigeminal

Question 52

Responsible for taste sensation for the anterior 2/3 of the tongue.

Answer 52

Chorda tympani of Facial nerve

Question 53

damage to the facial nerve would cause

Answer 53

facial paralysis and taste impairment on the anterior 2/3 of the tongue

Question 54

Hyperacusis would result from damage to

Answer 54

branch of the facial nerve: the nerve to the stapedius.

Question 55

provides secretomotor parasympathetic stimulation to the submandibular and sublingual glands.

Answer 55

Chorda tympani