Trigeminal nerve

Question 1

branches of trigeminal/ foramen

Answer 1

CN V1- optothamalic: SOF
CN V2-maxillary: rotundum
CN V3-madibular: ovale

Question 2

branches of CN V1 and subsequent branching

Answer 2

frontal: supratrochlear and superorbital
nasocilliary: anterior ethmoidal>internal nasal branches and anterior nasal nerve, infratrochlear, external nasal, also contributes to ciliary ganglion
lacrimal branch

Question 3

branches of CN V2 and subsequent branching

Answer 3

pterygopalatine nerves contributing to the pteryogpalatine ganglion (para>)will give rise to nasopalatine nerves and greater and lesser palatine nerves and pharyngeal nn
zygomatic
infraorbital
superior alveolar

Question 4

branches of CN V3 and subsequent branching/ganglia

Answer 4

buccal nn: contributes to otic ganglion
lingual nn: contributes to otic ganglion and submandibular
inferior alveolar>gives rise to mental nn
nn to myohyloid:

Question 5

label the following

Answer 5

Question 6

CN V1 info

Answer 6

somatic sensory

Question 7

CN V1 cell body location

Answer 7

trigeminal ganglion

Question 8

CN V1 main actions

Answer 8

Question 9

CN V2 info

Answer 9

somatic sensory

Question 10

CN V2 cell body location

Answer 10

trigeminal ganglion

Question 11

CN V2 main actions

Answer 11

Question 12

CN V3 info

Answer 12

somatic sensory and motor (will combine with motor root after divergence from ganglia)

Question 13

CN V3 cell body location

Answer 13

pons

Question 14

CNV3 main actions

Answer 14

Question 15

label the following regions of sensation

Answer 15

Question 16

portion of head sensation not supplied by trigeminal

Answer 16

psoterior aspect, supplied by the greater and lesser occipital nn of cervical origin

Question 16

portion of head sensation not supplied by trigeminal

Answer 16

psoterior aspect, supplied by the greater and lesser occipital nn of cervical origin

Question 17

cutaneous nn of CN V1

Answer 17

Question 18

distribtuion of supraorbital nn

Answer 18

Question 19

distribution of the supratrochlear nn

Answer 19

Question 20

distributio of the lacrimal

Answer 20

Question 21

distribution of the ionfratrochlear nn

Answer 21

Question 22

distribution of the ext nasal

Answer 22

Question 23

distribution of the infraorbital nn

Answer 23

Question 24

distribution of the zygomaticofacial nn

Answer 24

Question 25

disdtribution of the zygomaticotemporal

Answer 25

Question 26

distribution of the auriculotemporal nn

Answer 26

Question 27

distribution of the buccal nn

Answer 27

Question 28

distribution of the mental nn

Answer 28

Question 29

which branches are represented here? Label the following

Answer 29

Question 30

label the following

Answer 30

Question 31

CN V parasym contribution?

Answer 31

none, contributes somatic sensory to 4 ganglia

Question 32

somatic sensory contributions to ganglia

Answer 32

V1: ciliary
V2: pterygopalatine
V3: submandibular and otic