Cranial Nerves and Cranial Autonomics

Question 1

what is the cranial exit for the olfactory nerve?

Answer 1

cribriform plate

Question 2

what is the cranial exit for the optic nerve?

Answer 2

optic canal

Question 3

what is the cranial exit for the oculomotor nerve?

Answer 3

superior orbital fissure

Question 4

what is the cranial exit for the trochlear nerve?

Answer 4

superior orbital fissure

Question 5

what is the cranial exit for the ophthalmic division of the trigeminal nerve?

Answer 5

superior orbital fissure

Question 6

what is the cranial exit for the abducens nerve?

Answer 6

superior orbital fissure

Question 7

what is the cranial exit for the maxillary division of the trigeminal nerve?

Answer 7

foramen rotundum

Question 8

what is the cranial exit for the mandibular division of the trigeminal nerve?

Answer 8

foramen ovale

Question 9

what is the cranial exit for the facial nerve?

Answer 9

internal acoustic meatus

Question 10

what is the cranial exit for the vestibulocochlear nerve?

Answer 10

internal acoustic meatus

Question 11

what is the cranial exit for the glossopharyngeal nerve?

Answer 11

jugular foramen

Question 12

what is the cranial exit for the vagus nerve?

Answer 12

jugular foramen

Question 13

what is the cranial exit for the spinal accessory nerve?

Answer 13

jugular foramen

Question 14

what is the cranial exit for the hypoglossal nerve?

Answer 14

hypoglossal canal

Question 15

what modality is the olfactory nerve?

Answer 15

special sensory

Question 16

what modality is the optic nerve?

Answer 16

special sensory

Question 17

what modality is the oculomotor nerve?

Answer 17

somatic motor and visceral motor

Question 18

what modality is the trochlear nerve?

Answer 18

somatic motor

Question 19

what modality is the trigeminal nerve?

Answer 19

somatic (general) sensory and somatic (branchial) motor

Question 20

what modality is the abducens nerve?

Answer 20

somatic motor

Question 21

what modality is the facial nerve?

Answer 21

somatic (branchial) nerve, special sensory, somatic (general) sensory, and visceral motor

Question 22

what modality is the vestibulocochlear?

Answer 22

special sensory

Question 23

what modality is the glossopharyngeal nerve?

Answer 23

somatic (branchial) motor, visceral motor, special sensory, somatic (general) sensory, visceral sensory

Question 24

what modality is the vagus nerve?

Answer 24

somatic (branchial) motor, visceral motor, visceral sensory, special sensory, somatic (general) sensory

Question 25

what modality is the spinal accessory nerve?

Answer 25

somatic motor

Question 26

what modality is the hypoglossal nerve?

Answer 26

somatic motor

Question 27

What nerve comes from the first pharyngeal arch?

Answer 27

trigeminal nerve

Question 28

what skeletal structures come from the first pharyngeal arch?

Answer 28

malleus and incus

Question 29

what ligaments come from the first pharyngeal arch?

Answer 29

anterior ligament of malleus and sphenomandibular ligament

Question 30

what nerve comes from the second pharyngeal arch?

Answer 30

facial nerve

Question 31

what skeletal structures come from the second pharyngeal arch?

Answer 31

stapes, styloid process, lesser Cornu or hyoid, upper part of body of hyoid bone

Question 32

what ligaments come from the second pharyngeal arch?

Answer 32

stylohyoid ligament

Question 33

what nerve comes from the third pharyngeal arch?

Answer 33

glossopharyngeal nerve

Question 34

what skeletal structures come from the third pharyngeal arch?

Answer 34

greater Cornu of hyoid, lower part of body of hyoid bone

Question 35

what nerve comes from the fourth and sixth pharyngeal arch?

Answer 35

superior and recurrent laryngeal branch of vagus nerve

Question 36

what skeletal structures come from the 4th and 6th pharyngeal arch?

Answer 36

thyroid cartilage, cricoid cartilage, arytenoid cartilage, corniculate cartilage, and cuneiform cartilage

Question 37

where do preganglionic parasympathetic fibers arise from?

Answer 37

nuclei in the brain stem

Question 38

where do preganglionic parasympathetic fibers synapse at?

Answer 38

4 ganglia in the head- cilliary, pterygopalatine, otic, and submandibular

Question 39

what are the preganglionic parasympathetic fibers carried by?

Answer 39

cranial nerves III, VII, IX, and X

Question 40

all postganglionic parasympathetic fibers piggy back onto what?

Answer 40

a branch of the trigeminal nerve

Question 41

What are the conditions caused by olfactory nerve damage?

Answer 41

anosmia (partial or total loss of smell)

Question 42

what are the conditions caused by optic nerve damage?

Answer 42

anopsia (visual defects)

Question 43

what are the conditions caused by oculomotor nerve damage?

Answer 43

ptosis (upper eyelid droop), paralysis of eye muscles, strabismus (eyes not in parallel/deviated improperly), diplopia (double vision), focusing difficulty

Question 44

what are the conditions caused by trochlear nerve damage?

Answer 44

paralysis of superior oblique, strabismus (eyes not in parallel/deviated improperly), diplopia (double vision)

Question 45

what are the conditions caused by abducens nerve damage?

Answer 45

paralysis of lateral rectus limits lateral movement of eye; diplopia (double vision)

Question 46

what are the conditions caused by trigeminal nerve damage?

Answer 46

trigeminal neuralgia (tic douloureux)