lab final 231

Question 1

reflex arc

Answer 1

neural pathway of a reflex

Question 2

autonomic (visceral) reflexes

Answer 2

regulate body function. BP, sweating, etc

Question 3

somatic reflexes

Answer 3

involve skeletal muscles. maintain posture, balance, and locomotion

Question 4

receptor

Answer 4

site of stimulus. goes to dorsal horn

Question 5

sensory neuron

Answer 5

transmits afferent impulse to CNS

Question 6

integration center

Answer 6

where sensory input is received and transferred to motor neurons (interneuron)

Question 7

motor neuron

Answer 7

conducts efferent impulses to effector

Question 8

effector

Answer 8

muscle fiber or gland that responds to efferent impulse

Question 9

stretch reflex (achiles/patellar)

Answer 9

somatic

Question 10

plantar reflex

Answer 10

somatic

Question 11

gag reflex

Answer 11

somatic. ipsilateral

Question 12

ciliospinal reflex

Answer 12

autonomic. ipsilateral pupil dilation in response to pain stimulus

Question 13

salivary reflex

Answer 13

autonomic

Question 14

parasympathetic division

Answer 14

feed and breed

Question 15

sympathetic division

Answer 15

fight or flight

Question 16

conus medullaris

Answer 16

L1/2. tapered end of the spinal cord

Question 17

filum terminale

Answer 17

e

Question 18

level of origin

Answer 18

ee

Question 19

level of terminimation

Answer 19

e

Question 20

length of cord

Answer 20

L1/2 except of peds

Question 21

gray commissure

Answer 21

connecting of ventral and dorsal gray matter

Question 22

denticulate ligaments

Answer 22

e

Question 23

gray mater

Answer 23

(light on slide)

Question 24

white mater

Answer 24

(dark on slide)

Question 25

dura mater

Answer 25

most superficial

Question 26

arachnoid layer

Answer 26

middle layer

Question 27

pia mater

Answer 27

deepest layer

Question 28

epidural space

Answer 28

between dura mater and bone

Question 29

subarachnoid space

Answer 29

contains SF

Question 30

cervical enlargement

Answer 30

change in width

Question 31

lumbar enlargement

Answer 31

change in width

Question 32

caudia equina

Answer 32

e

Question 33

spinal tap

Answer 33

l4/5

Question 34

central canal

Answer 34

CSF in the middle

Question 35

lateral horn

Answer 35

thoracic vertebrae (sympathetic NS)

Question 36

dorsal root

Answer 36

sensation coming in

Question 37

ventral root

Answer 37

motor information going out

Question 38

dorsal root ganglion

Answer 38

cell bodies of sensory neurons

Question 39

dorsal horn

Answer 39

numbness/sensation

Question 40

ventral horn

Answer 40

motor

Question 41

funiculus

Answer 41

columns of mater (post, lat, ant)

Question 42

spinal nerve

Answer 42

where dorsal and ventral meet and merge

Question 43

afferent

Answer 43

sensory

Question 44

efferent

Answer 44

motor

Question 45

ramus

Answer 45

where spinal nerve branches dorsal or ventral

Question 46

brachial plexus

Answer 46

e

Question 47

reflex

Answer 47

rapid and predictable motor response to stimulus

Question 48

ipsilateral reflex

Answer 48

cord reflex that remains on one side of the body (biceps/achilles reflexes)

Question 49

contralateral reflex

Answer 49

reflex that affects opposite side of body from stimulus

Question 50

cranial reflex

Answer 50

when integration center is in the brain

Question 51

spinal reflex

Answer 51

interconnections and processing take place in spinal cord

Question 52

monosynaptic reflex

Answer 52

sensory neuron synapse direction on motor neuron. delay is minimized. synapse IS integration center

Question 53

polysynaptic reflexes

Answer 53

there is at least one interneuron between sensory and motor. allows for more complex responses

Question 54

consensual reflex

Answer 54

occurs on both side at the same time