Lab 9

Question 1

What does innervation mean?

Answer 1

It means that the specific nerve gives sensation from or motor output to that specific location

Question 2

What is the roman numeral for the olfactory nerve?

Answer 2

I or 1

Question 3

What is the roman numeral for the optic nerve?

Answer 3

|| or 2

Question 4

What is the roman numeral for the Oculomotor nerve?

Answer 4

||| or 3

Question 5

What is the roman numeral for the Trochlear nerve?

Answer 5

|V or 4

Question 6

What is the roman numeral for the Trigeminal nerve?

Answer 6

V or 5

Question 7

What is the roman numeral for the abducens nerve ?

Answer 7

VI or 6

Question 8

What is the roman numeral for the facial nerve?

Answer 8

VII or 7

Question 9

What is the roman numeral for the vestibulocochlear nerve?

Answer 9

VIII or 8

Question 10

What is the roman numeral for the glossopharyngeal nerve?

Answer 10

IX or 9

Question 11

What is the roman numeral for the vagus nerve?

Answer 11

X or 10

Question 12

What is the roman numeral for the Accessory nerve?

Answer 12

XI or 11

Question 13

What is the roman numeral for the hypoglossal nerve?

Answer 13

XII or 12

Question 14

Is the olfactory nerve sensory, motor, or both? And what’s it’s function?

Answer 14

Sensory for smell

Question 15

Is the optic nerve nerve sensory, motor, or both? And what’s its function?

Answer 15

Sensory for vision

Question 16

Is the Oculomotor nerve nerve sensory, motor, or both? And what’s it’s function?

Answer 16

Motor and it controls eye movement, and pupil diameter change

Question 17

Is the trigeminal nerve sensory, motor, or both? And how many branches does it have?

Answer 17

Both it contains 3 branches 2 are sensory and one is both

Question 18

Is the ophthalmic branch of the trigeminal nerve sensory motor or both?

Answer 18

Its sensory

Question 19

Is the maxillary branch of the trigeminal nerve sensory motor or both?

Answer 19

Its sensory

Question 20

Is the mandibular branch of the trigeminal nerve sensory motor or both?

Answer 20

its both

Question 21

Is the abducens nerve sensory, motor, or both?

Answer 21

its motor

Question 22

Is the facial nerve sensory, motor, or both?

Answer 22

Both

Question 23

Is the vestibulocochlear nerve sensory, motor, or both? What is its function?

Answer 23

Sensory for hearing and balence

Question 24

Is the glossopharyngeal nerve sensory, motor, or both?

Answer 24

Both

Question 25

Is the vagus nerve sensory, motor, or both?

Answer 25

its both

Question 26

Is the accessory nerve sensory, motor, or both?

Answer 26

motor

Question 27

Is the hypoglossal nerve nerve sensory, motor, or both?

Answer 27

motor

Question 28

What is a group of somas in the PNS called?

Answer 28

a ganglion

Question 29

What is a group of somas in the CNS called?

Answer 29

Nuclei

Question 30

What is a bundle of axons called in the PNS?

Answer 30

Nerve

Question 31

What is a bundle of axons called in the CNS?

Answer 31

Tract

Question 32

What part of the body does the olfactory nerve innervate?

Answer 32

Olfactory epithelium

Question 33

What part of the body does the optic nerve innervate?

Answer 33

Retina

Question 34

What part(s) of the body does the Oculomotor nerve innervate?

Answer 34

Extrinsic eye muscles (rotate eye) Intrinsic eye muscles (changes the dilation of the eye)

Question 35

What part(s) of the body does the trochlear nerve innervate?

Answer 35

Extrinsic eye muscles (rotate eye)

Question 36

What part(s) of the body does the ophthalmic branch innervate?

Answer 36

Orbital structures, upper eyelid, forehead, eyebrows, and nasal cavity

Question 37

What part(s) of the body does the maxillary branch innervate?

Answer 37

Lower eyelid, upper lip, gums, teeth, cheek, nose, palate, pharynx

Question 38

What part(s) of the body does the mandibular branch innervate?

Answer 38

Sensation of the lower gums, teeth, lips palate, tongue; motor to muscles for mastication

Question 39

What part(s) of the body does the abducens nerve innervate?

Answer 39

Extrinsic eye muscle (lateral rectus)

Question 40

What part(s) of the body does the facial nerve innervate?

Answer 40

Sensation of taste for the 2/3 anterior portion of the tongue, chemosensation from cartoid bodies Motor to the pharynx, palate, and salivary glands

Question 41

What part(s) of the body does the vagus nerve innervate?

Answer 41

Sensation from the autonomic motor to visceral organs (heart, lungs, GI tract, etc)

Question 42

What part(s) of the body does the accessory nerve innervate?

Answer 42

Neck muscles including the sternocleidomastoid, and the trapezius

Question 43

What part(s) of the body does the hypoglossal nerve innervate?

Answer 43

the tongue

Question 44

List all the sensory nerves/ branches

Answer 44

Olfactory Optic Ophthalamic branch Maxillary branch Vestibulocohlear

Question 45

List all the motor nerves/ branches

Answer 45

Oculomotor Trochlear Abducens Accessory Hypoglossal

Question 46

List all the nerves and branches that are both sensory and motor

Answer 46

Trigeminal Facial Glossopharyngeal Vagus