Nervous System 2

Question 1

Where does the spinal cord end?

Answer 1

Between L6 &L7 vertebra

Question 2

Conus Medullaris

Answer 2

Tapered end of the spinal cord

Question 3

Lateral Horn

Answer 3

Gray matter found in segments T1-L2
Cell bodies for sympathetic nervous system

Question 4

White matter(spinal cord)

Answer 4

Surrounds grey matter
Myelinated axons carrying impulses to and from the brain

Question 5

Dorsal root

Answer 5

Afferent(brings in)
Meets ventral to form spinal nerve

Question 6

Ventral root

Answer 6

Efferent(bring out)
Meets with dorsal to make spinal nerve

Question 7

Spinal nerves

Answer 7

Exit between vertebra
Only one nerve can exit between two vertebra

Question 8

Cauda Equina

Answer 8

Nerves travel causally in the vertebral canal after spinal cord ends

Question 9

Peripheral nervous system

Answer 9

Cranial nerves(12)
Spinal nerves

Question 10

Cranial Nerves
OOOTTAFVGVAH

Answer 10

Olfactory
Optic
Oculomotor
Trochlear
Trigeminal
Abducens
Facial
Vestibulocochlear
Glossopharyngeal
Vagus
Accessory
Hypoglossal

Question 11

Spinal Nerves

Answer 11

Phrenic
Brachial plexus
Lumbosacral plexus

Question 12

Phrenic Nerve

Answer 12

Cervical spinal nerves 5&6 unite

Question 13

Brachial Plexus

Answer 13

Nerves C6-C8 & T1
Network produces nerves that innervate the forelimb

Question 14

Forelimb nerves

Answer 14

Ulnar
Median
Radial
Musculocutaneous

Question 15

Lumbosacral Plexus

Answer 15

L4-L7 lumbar
S1-S3 sacral
Femoral and sciatic nerves

Question 16

Olfactory

Answer 16

1
Sensory
Sense of smell
Receptors in nasal passages

Question 17

Optic

Answer 17

2
Sensory
Vision
Receptors in retina of eye

Question 18

Oculomotor

Answer 18

3
Motor
Move eye
ANS-control pupil

Question 19

Trochlear

Answer 19

4
Motor
Move eye

Question 20

Trigeminal

Answer 20

5
Sensory&motor
Sensory to face and teeth
Motor to muscles of mastication

Question 21

Abducens

Answer 21

6
Motor
Move eye

Question 22

Facial

Answer 22

7
Sensory & motor
Sensory to taste
Motor to facial muscles
ANS-tears, salivation

Question 23

Vestibulocochlear

Answer 23

8
Sensory
Balance
Hearing

Question 24

Glossopharyngeal

Answer 24

9
Sensory & motor
Sensory to taste
Motor to tongue
ANS- salivation

Question 25

Vagus

Answer 25

10
Sensory & motor
Sensory from gastro tract
Motor to larynx and pharynx
ANS-parasympathetic-motor thorax and abdomen

Question 26

Accessory

Answer 26

11
Motor
Head, neck and shoulder

Question 27

Hypoglossal

Answer 27

12
Motor
Motor to tongue