exam 4

Question 1

Posterior Funicalus

Answer 1

Impulses for light touch, pressure, proprioception

Question 2

Lateral Spinothalamic

Answer 2

Impulses for pain and temp up the spinal cord

Question 3

Tectospinal tract

Answer 3

Carries impulses down the spinal cord that are generated in the corpora quadrigemina

Question 4

Anterior Spinothalamic

Answer 4

Carriers impulses for crude touch and pressure going up thalamus

Question 5

Corticospinal trat

Answer 5

Carries impulses generated by the primary motor cortex coming down the spinal cord

Question 6

Spinocebbular tract

Answer 6

Carries impulses generated y cerebellum doing down the spinal cord

Question 7

Reticulospinal tract

Answer 7

Carries impulses generated by the reticular formation going down the spinal cord

Question 8

Vestibulospinal tract

Answer 8

generatd by inner ear going down the spinal cord

Question 9

Spinocerebellar tract

Answer 9

generatd for propioception up to an area of hindbrain

Question 10

Sensory found in the ?

Answer 10

doral horn

Question 11

Motor found in the?

Answer 11

Ventral horn

Question 12

Nerves: each process is surrounded by a loose connective tissue covering called the

Answer 12

Endoneurium

Question 13

Each process is grouped together as a

Answer 13

Fascicle and is surrounded by another layer of CT known as the perineurium

Question 14

Each nerve is surrounded by a final layer of CT known as the

Answer 14

Epineurium

Question 15

Sensory moved towards

Answer 15

CNS

Question 16

Motor moves

Answer 16

away from the CNS to muscles and glands

Question 17

Mixed nerves contain both

Answer 17

Sensory and motor

Question 18

Cranial nerves consists

Answer 18

12 pair of nerves that emerge from nuclei located in the brain stem

Except for three pair of sensiry nerves (optic, olfactory, vestibulocochlear).

Excpet for nerves 10 (vagus) , 11 (accessory)

Supply special snese (sight, hearing, taste, smell)

Question 19

Olfactory Nerve (I)

Answer 19

Function: smell
Type: Sensory

Question 20

Optic nerve (II)

Answer 20

Function: vision
Type: Sensory

Question 21

Oculomotor Nerve (III)

Answer 21

Function: Eye movement , pupil construction
Type: motor

Question 22

Trochlear Nerve (IV)

Answer 22

Function: Eye movement
Type: motor

Question 23

Trigeminal nerve (V)

Answer 23

Function: Facial sensation, chewing
Type: Both sensory and motor

Question 24

Abducens Nerve (6)

Answer 24

Function: eye movement
Type: Motor

Question 25

Facial Nerve (7)

Answer 25

Function: Facial expression, taste Type: Both sensory and motor

Question 26

Vestibulocochlear Nerve (8)

Answer 26

Function: Hearing, balance Type: Sensory

Question 27

Glossopharyngeal Nerve (9)

Answer 27

Function: taste, swollowing, salivation, sinus receptors Type: Both sensory and motor

Question 28

Vagus Nerve (10)

Answer 28

Function: Autonomic control of the heart, lungs, and digestive tract Type: Both sensory and motor.

Question 29

Accessory Nerve (11)

Answer 29

Function: shoulder and neck movement Type: Motor

Question 30

In the sympathetic divison cell bodies of preganglionic neurons are all found in what two regions?

Answer 30

T1-L2 : Thoracic and Lumbar

Question 31

Cell bodies of all these preganglionic neurons are found in which horn of gray

Answer 31

Lateral horns of gray matter

Question 32

All axons of these preganglionic neruons exit the spinal cord in the ventral root; enter a spinal nerve and thn exit which branch of the spinal nerve?

Answer 32

white ramus

Question 33

Preganglions always release

Answer 33

Ach

Question 34

Postganglionic release

Answer 34

norepinephrine

Question 35

Gray matter carries

Answer 35

synapses

Question 36

White matter carries

Answer 36

axons