Chapter 13 Nerves of Steel

Question 1

portion of the nervous system that consists of the brain and spinal cord

Answer 1

central nervous system

Question 2

portion of the nervous system that consists of the cranial and spinal nerves, the autonomic system and ganglia

Answer 2

peripheral nervous system

Question 3

abbreviation central nervous system

Answer 3

CNS

Question 4

abbreviation central nervous system

Answer 4

PNS

Question 5

basic unit of nervous system

Answer 5

neuron

Question 6

____ nerves carry sensory impulses toward the CNS

Answer 6

sensory, afferent

Question 7

____ nerves carry sensory impulses away from the CNS

Answer 7

motor, efferent

Question 8

cell body of the neuron

Answer 8

soma

Question 9

rootlike structures that receive impulses and conduct them toward the cell body

Answer 9

dendrites

Question 10

combining form dendrite

Answer 10

denr/o

Question 11

single process that extends away from cell body and conducts impulses away

Answer 11

axon

Question 12

junction between neurons

Answer 12

synapse

Question 13

chemical substance that is released from neurons in the synapse

Answer 13

neurotransmitter

Question 14

protective covering over some nerve cells, including parts of the spinal cord, white matter of the brain, and most peripheral nerves

Answer 14

myelin

Question 15

one or more bundles of impulse-carrying fibers that connect the CNS to other parts of the body

Answer 15

nerves

Question 16

combining form nerve

Answer 16

neur/o, neur/i

Question 17

knotlike mass of neuron cell bodies located outside the CNS

Answer 17

ganglion

Question 18

combining form brain

Answer 18

encephal/o

Question 19

combining form spinal cord

Answer 19

myel/o

Question 20

combining form meninges

Answer 20

mening/o, meningi/o

Question 21

superficial to the dura mater

Answer 21

epidural

Question 22

deep to the dura mater and superficial to the arachnoid

Answer 22

subdural

Question 23

clear, colorless ultrafiltrate that nourishes, cools, and cushions the CNS

Answer 23

cerebrospinal fluid

Question 24

cerebrospinal fluid abbreviation

Answer 24

CSF

Question 25

three layers of the meninges

Answer 25

dura mater, arachnoid membrane, pia mater

Question 26

combining form skull

Answer 26

crani/o

Question 27

combining form cerebrum

Answer 27

cerebr/o

Question 28

combining form cerebellum

Answer 28

cerebell/o

Question 29

largest portion of the brain, responsible for receiving and processing stimuli

Answer 29

cerebrum

Question 30

second largest portion of the brain, coordinates muscle activity for smooth muscle

Answer 30

cerebellum

Question 31

stalklike portion of the brain that connects the cerebral hemispheres with the spinal cord

Answer 31

brainstem

Question 32

caudal continuation of the medulla oblongata

Answer 32

spinal cord

Question 33

combining form spinal cord

Answer 33

myel/o

Question 34

discs are locate between the vertebrae and are referred to as

Answer 34

intervertebral discs

Question 35

nerves that arise from the spinal cord

Answer 35

spinal nerves

Question 36

network of intersecting nerves

Answer 36

plexus

Question 37

part of the peripheral nervous system that innervates smooth muscle, cardiac muscle and glands

Answer 37

autonomic nervous system

Question 38

autonomic nervous system abbreviation

Answer 38

ANS

Question 39

portion of the autonomic nervous system responsible for homeostasis

Answer 39

parasympathetic nervous system

Question 40

removal of cerebrospinal fluid

Answer 40

cerebrospinal tap (CSF tap)

Question 41

abbreviation bright, alert, responsive

Answer 41

BAR

Question 42

deep state of unconsciousness

Answer 42

coma

Question 43

mentally confused

Answer 43

disorientation

Question 44

drowsiness, listlessness

Answer 44

lethargy

Question 45

depressed

Answer 45

obtunded

Question 46

unresponsiveness to stimuli

Answer 46

stupor

Question 47

abbreviation pupillary light reflex

Answer 47

PLR

Question 48

memory loss

Answer 48

amnesia

Question 49

without coordination, stumbling

Answer 49

ataxia

Question 50

muscle rigidity

Answer 50

catalepsy

Question 51

smaller than normal cerebellum

Answer 51

cerebellar hypoplasia

Question 52

shaking of the brain caused by injury

Answer 52

concussion

Question 53

neurologic deficit in which the animal appears not to know where its limbs are located

Answer 53

conscious proprioceptive deficit

Question 54

inflammation of the brain

Answer 54

encephalitis

Question 55

disease of the brain

Answer 55

encephalopathy

Question 56

recurrent seizures

Answer 56

epilepsy

Question 57

mass or collection of blood

Answer 57

hematoma

Question 58

paralysis of one side of the body

Answer 58

hemiplegia

Question 59

excessive sensitivity

Answer 59

hyperesthesia

Question 60

abnormal softening of the white matter of the brain

Answer 60

leukoencephalomalacia

Question 61

benign tumor of the meninges

Answer 61

meningioma

Question 62

inflammation of the meninges

Answer 62

meningitis

Question 63

nerve pain

Answer 63

neuralgia

Question 64

inflammation of the nerves

Answer 64

neuritis

Question 65

loss of voluntary movement

Answer 65

paralysis

Question 66

without pain

Answer 66

analgesia

Question 67

absence of sensation

Answer 67

anesthesia

Question 68

surgical incision into a nerve

Answer 68

neurotomy

Question 69

on the same side

Answer 69

ipsilateral

Question 70

on the opposite side

Answer 70

contralateral