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What cran nerve transmits smell from the nasal mucosa to the brain (afferent)

olfactory I

Where does cranial nerve I (olfactory) enter

cribiform plate of the ethmoid bone

What cranial nerve provides sight from the retina to the brain

optic nerve II

The optic nerve II enters through the

optic canal

Which one of the cranial nerves that deal with the eye deals with proproception, but does NOT have parasympathetic fibers

cranial nerve IV- trochlear

What cranial nerve innervates muscles of matisfication and other cranial muscles (efferent)

trigeminal V

What cranial nerve innervates teeth, tongue, oral cavity, and most of the skin of the face and head (afferent)

trigeminal V

Name the largest cranial nerve that has two roots

trigeminal (motor and sensory)

Name the 3 divisions of the sensory part of the trigeminal

opthalamic V1
maxillary V2
mandibular V3

Which division of the trigeminal gives sensations to the upper face and scalp and enters through the superior orbital fissure of the sphenoid bone

opthalamic v1

Which division of the trigeminal gives sensation to the middle and lower face and enters through the foramen rotudum

maxillary v2

Which division of the trigeminal gives sensation to middle and lower face and passes through the skull by way of the foramen ovale. This division also has a motor root (only one of the nerve) and

mandibular v3

What is the first nerve that is often affected by infection to the sinus

Abducens VI
-efferent nerve to muscle that moves eyeball, similar to oculomotor and trochlear, exits superior orbital fissure, has a intercranial course-rather than lying wall of cavernous sinus it runs through it close to carotid artery

What cranial nerve innervates muscles of facial expression

facial nerve VII

What cranial nerve innervates lacrimal gland (pterygopalatine region), submandibular and sublingual (submandibular ganglion)

facial nerve VII

Which cranial nerve is afferent and is a tiny patch of skin behind the ear and gives taste sensation and the body of the tongue (anterior 2/3 ) chorda tympani

facial nerve VII

Which cranial nerve leaves the cranial cavity by passing through the internal acoustic meatus, which leads to facial canal inside the temporal bone. Exit through stylomastoid foramen in temporal bone

facial nerve VII

Which cranial nerve innervates hearing and balance, inner ear to brain, enter through internal acoustic meatus, supplies 2 major portions of inner ear

vestibulcochlear nerve VIII

The vestibulocochlear nerve, 8, supplies what 2 major portions of the inner ear

semicular canals-balance

Which cranial nerve innervates taste sensation for base of the tongue (post 1/3), after what landmark on the tongue

glossopharyngeal IX
-circumvalle papilla

Which cranial nerve is efferent for the pharnygeal muscle, stylopharyngeal muscle, pregang gland parasympathetic innervation for salivary gland (relaying the otic gang)

glossopharyngeal IX

Which cranial nerve is afferent for the pharynx and taste sensation for base of tongue

glossopharyngeal IX

Which cranial nerve has a tympanic branch that contain sensory fibers for the middle ear and preganglion parasympathetic fibers for the paratid gland arise here and reenters skull

glossopharyngeal IX

The glossopharyngeal nerve supplies the ear and parasympathetic fibers leave skull through foramen ? of sphenoid bone as the ?? nerve. These pregang fibers end in otic gang- locations near medial surface of mand nerve v3 of trigeminal just inf of foramen ovale

lesser petrosal nerve

Name the inferior branch of a cranial nerve that gives bld supply the carotid artery, pharynx, base of tongue (afferent), and the stylopharyngeal muscle

glossopharyngeal nerve IX

Is the vagus nerve efferent or afferent


Which cranial nerve innervates muscles of soft palate, pharynx, larynx, and parasympathetic fibers to many organs in thorax and abdomen including thymus gland, stomach, and heart

vagus X-efferent part

Name the cranial nerve that its afferent portion provides taste for epiglottis and skin around the ear

vagus X

The vagus nerve passes through the skull by ? foramen between temp and occipital


What cranial nerve is efferent for the trapezius, SCM, pharynx, and soft palate

accessory nerve XI
-exits through jugular foramen

Which cranial nerve is only a partial cranial nerve and consist of 2 roots, the brain and spinal cord

accessory nerve XI

Which cranial nerve is efferent for the muscles of the tongue, extrinsic and intrinsic

hypoglossal nerve XII
-exits through skull through the hypoglossal canal in the occipital bone

Name the 2 nerves that affect the head and neck

facial and trigeminal

Which trunk of the trigeminal is thinner


Which trunk of the tri is thicker


The motor and sensory root is a ? nerve trunk and they are closely adapted


What divisions of the tri are motor/sensory

op & max-sensory
mand-sensory and motor

Which nerve has a bulge on the sensory root (gang/nerve) and is located in the anterior surface of petrous portion of the temp bone

trigeminal V

The ? has a sensory and a motor root and it runs together thus carries both afferent and efferent nerves

mandibular V3

What does the efferent portion of the trigeminal innvervate

muscles of matistification, and it exits the foramen ovale of sphenoid bone

Name the 3 major nerves that arise from the opthalamic nerve of the trigeminal V1


Which nerve is lateral to the supratrochlear nerve

supraorbital nerve
(these are branches of frontal nerve)

Name the afferent nerve that innervates the lateral portion of the upper eyelid, conjunctiva, and the lacrimal gland

lacriminal nerve (part of V1)

The infratrochlear nerve, cillary nerve, anterior ethmodial nerve, external nasal nerve, and the internal nasal nerve make up the 5 branches of the

nasocillary nerve (part of V1)

Name the nerve that is afferent and innervates
-maxilla and overlying skin
-max sinus
-nasal cavity
-portions of dura mater

maxillary branch of trigeminal V2

What is the maxillary nerve V2 of trigeminals largest contributor

infraorbital nerve

The zygomatic, anterior, middle, posterior superior alveolar nerves, the greater and lesser palantine nerves, and the nasopalatine nerves are tributaries of the ? or ?

infraorbital nerve or max nerve

The anterior and middle superior alveolar nerve come directly from the ? nerve and the posterior superior alveolar nerve come straight from the ? nerve, then these form a loop to innvervate all of the maxilla

infraorbital (asa, msa)
maxillary (psa)

Fibers from the post gang are distributed to various tissues such as the ? salivary glands by nerves of what branch of tri


Sensory fibers do not ? in the gang


What nerve is post parasym fibers form the lacrimal gland to lacrimal nerve

zygomatic nerve (branch of V2)

What is the small, afferent nerve for the skin of the cheek

zygomaticfacial nerve (branch of zygomatic- from v2 of tri)

Which nerve is afferent for the skin of the temp region

zygomatictemporal (branch of zygomatic nerve-from v2)

Name the anterior palatine nerve (afferent) that innervates the posterior hard palate, and posterior lingual gingiva

greater palatine nerve
(branch of V2 of trig)

What innervates soft palate and palatine tonsillar tissues

lesser palatine nerve (branch of V2 of trig)

Which nerve is an afferent nerve for the anterior hard palate and lingual gingiva for maxillary anterior teeth and nasal septal tissues

nasopalatine nerve (branch of V2 of trig)

What is the largest branch of the trigeminal

mandibular V3

What nerve is afferent and innervates the skin of the cheek

buccal nerve v3 branch

The buccal nerve is afferent for the skin of the ?, buccal mucous membrane, and the buccal ? of mandibular ? teeth, also name the location of this nerve. Then it travels posterior in cheek deep to the massester

-surface of buccinator muscle

*branch of V3

Name the branch of v3 that is afferent for the body of the tongue

lingual nerve

Which nerve is a branch of v3 and is joined by dental branches and interdental and interradicular branches from mandibular posterior teeth, forming a dental plexus or nerve network in the region

inferior alveolar nerve

Where does the inferior alveolar nerve exit (v3)

mandibular foramen

Inferior alveolar neve is afferent innervation for the ? teeth


Name is branch of v3 that has afferent nerve fibers for taste sensation in palate

greater petrosal nerve

Name the nerve that is parasympathetic efferent nerve for submandibular and sublingual salivary glands, and is afferent nerve for the taste sensation for the body of the tongue

chorda tympani (7th cranial nerve-facial)

-in the submandibular triangle the chorda tympani nerve, appearing as a portion of the ling nerve, has communication with submand gang which supplies the parasym efferent innervation

The afferent portion of the chorda tympani is associated with the ? cranial nerve and what else

anterior 2/3 portion of the tongue, the body

The parasympathetic efferent nerve portion of the chorda tympani innervates what glands

submandibular and sublingual salivary glands

Name the branch of the facial nerve that innervates...
-muscles anterior to ear
-frontal belly of epicranial muscle
-superior portion of orbicularis oculi mus
-corrugator supercilli mus

temp branch of facial nerve

Name the branch of the facial that innervates...
-inferior portion of orbicularis oculi
-zygomatic major and minor

zygomatic branch of facial nerve

Name the branch of the facial that innervates...
-muscles of upper lip
-orbicularis oris

buccal branch of facial nerve

Which branch of the facial innervates the muscles of lower lip and mentalis muscle

marginal mandibular branch of facial nerve

Which branch would the platysma muscle be innervated by

cervical branch of the facial nerve

The mylohyoid nerve is a branch of what nerve

trigeminal nerve

What branch of v3 is efferent nerve to mylohyoid muscle and the anterior belly of the diagastric muscle

mylohyoid nerve of v3 of trigeminal nerve

The posterior belly of the digastric muscle is innervated by what nerve


The digastric muscles ant and post are innervated by what 2 nerves

trigeminal and facial

What nerve is afferent for the mandibular premolar teeth, anterior teeth that originate in pulp tissie and exits through apical foramen joins with interdental branches from the surrounding periodontum, forming a dental plexus region

incisive nerve (branch of v3-mand of trig)

What nerve is afferent for mand teeth

inferior alveolar nerve (v3)

The anterior trunk of v3 is mostly motor except for

buccal nerve which is sensory

The posterior trunk of v3 is mostly sensory except for

mylohyoid nerve which is motor

Which muscle dilates the pharynx, and which nerve is it innervated by

glossopharyngeal IX

Which muscle constrict the pharynx

palatopharyngeal and superior, middle, and inferior muscles

The pharynx muscles and the soft palate are innervated by which cranial nerves except for which 2 and name nerve they are innervated by

10 and 11 (vagus and accessory)
1) tensor veli palanti-v3 of trigeminal-auditory tube
2) stylopharyngeal 9-glossopharyngeal

What duct is the submandibular gland excreted by (exocrine)

whartons duct

Name the salivary gland that secretes only serous fluid and are located on the back of the tongue after the circumvalle papilla

von Ebners salivary glands

Which cranial nerve innervates the soft palate and the pharynx

vagus X

The lacrimal, submandibular, sublingual, and minor salivary glands are efferent and innervated by what cranial nerve

facial nerve VII

The parotid gland is efferent and innervated by what cranial nerve

glossopharyngeal IX

The neck, soft palate, and pharnyx are efferent and innervated by which cranial nerve

accessory nerve XI

What is part of the respiratory and the digestive tract


are muscles of the

soft palate

Give details about the TMJ opening and closing

condyle and disc

Give details about TMJ protruding and retruding

disc and articulating eminence

What is it called when the disc comes infront of the condyle. acute episode of tmj joint disorder in which both joints become dislocated due to excess protrusion and depression


Which cells undergo mitosis

basal cells

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