Chapter 11 Nervous system

Helpfulness: 0
Set Details Share
created 2 months ago by jcalvillo883
4 views
updated 7 weeks ago by jcalvillo883
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:
1

What is CN I?

  • Olfactory nerve
2

What is CN II?

  • Optic Nerve
3

What is CN III?

  • Oculomotor
4

What is CN IV?

  • Trochlear
5

What is CN V?

  • Trigeminal
6

What is CN VI?

  • Abducens
7

What is CN VII?

  • Facial
8

What is CN VIII?

  • Vestibulocochlear
9

What is CN IX?

  • Glossopharyngeal
10

What is CN X?

  • Vagus
11

What is CN XI?

  • Accessory
12

What is CN XII?

  • Hypoglossal
13

What is the function of CN I?

  • Smell
14

What is the function of CN II?

  • Sight
15

What is the function of CN III?

  • Most movement of the eyeball, eyelid, and pupil size
16

What is the function of CN IV?

  • Movement of eyeball
17

What is the function of CN V?

  • Chewing; sensations in face scalp, cornea, teeth
18

What is the function of CN VI?

  • Eyeball movement
19

What is the function of CN VII?

  • Facial expression, salivation, taste, tearing, and blinking
20

What is the function of CN VIII

  • Hearing and balance
21

What is the function of CN IX?

  • Swallowing, secretion of saliva; taste
22

What is the function of CN X?

  • "Wanderer" nerve
23

What is the function of CN XI?

  • Head movement and shrugging shoulders, swallowing
24

What is the function of CN XII?

  • Speech and swallowing
25

What protects the spinal cord?

  • The spinal cord is protected by vertebrae, meninges, cerebrospinal fluid, and the blood-brain barrier
26

What are ascending tracts?

  • A tract that carries sensory information up the spinal cord toward the brain
27

What are descending tracts?

  • A nerve tract that carries information away from the brain and down the spinal cord toward the periphery
28

What is a crossing over as in nerve fibers crossing from one side of the brain or spinal cord to the other side?

  • Descussation
29

What part acts as a major reflex center?

  • The spinal cord
30

What is a major descending tract?

  • Pyramidal tract (corticospinal tract)
31

What is a single nerve cell?

  • Neuron
32

What are bundles of neurons with fascia and blood supply?

  • Nerve
33

Where are nerves located?

  • Outside the CNS
34

What is a nerve that is found inside the CNS?

  • Tract
35

What three ways are nerves classified as?

  • Sensory nerves
  • Motor nerves
  • Mixed nerves
36

Which cranial nerve does not arise from the base of the brain?

  • CN X (vagus nerve)
37

What are tiny holes in the vertebrae through which nerves exit from the bony vertebral column?

  • Foramina
38

What is an area of innervated by a spinal nerve called?

  • Dermatome
39

What nerves carry sensory information, such as touch, pressure, and pain, to the parietal lobe of the cerebrum?

  • Somatic afferent nerves
40

What nerves carry motor information to the skeletal muscles?

  • Somatic efferent nerves