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VET TERM > Chapter 13 > Flashcards

Chapter 13 Flashcards

1
Q

Function of the nervous system

A

The nervous system coordinates and controls body activity.
It detects and processes internal and external information and formulates appropriate responses

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2
Q

Structures of the nervous system

A

 Two major divisions of the nervous system:
 The central nervous system (CNS) consists of the brain and spinal cord.
 The peripheral nervous system (PNS) consists of the cranial and spinal nerves, autonomic nervous system, and ganglia

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3
Q

Neuron

A

The basic unit of he nervous sustem

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4
Q

The neuron consists of eh following

A

a cell body (soma)
 dendrites
 Carry impulses toward the cell body an axon
 Carries impulses away from the cell
body

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5
Q

Combining form for dedritis

A

Dendr/o

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6
Q

Combining form for axon

A

ax/o

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7
Q

The gap between two neurons

A

 The space between two neurons or between a neuron and a receptor is the synapse.
 The combining forms for synapse are synaps/o and synapt/o.
 Chemical substances called neurotransmitters are released into the space to allow information to be relayed

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8
Q

Supportive cells of nervous system

A

Neuroglia, or glial cells

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9
Q

gli/o

A

glue

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10
Q

Nerves are and combing form

A

 A nerve is one or more bundles of impulse- carrying fibers that connect the CNS to other parts of the body.
 Combining forms for nerve or nerve tissue are neur/i and neur/o.

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11
Q

Combining form for brain

A

encephal/o

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12
Q

Combining for for spinal cord

A

myel/o

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13
Q

The meninges

A

The meninges are a three- layered membrane that surrounds the CNS.
 The combining forms for the
meninges are mening/o and meningi/o

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14
Q

Three layer of the meninges

A

Dura mater
The arachnoid membrane
Pia mater

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15
Q

The CSF is

A

Cerebrospinal fluid (CSF) is the clear,
colorless ultrafiltrate that nourishes, cools, and cushions the CNS.

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16
Q

Three main parts of the brain

A

Cerebrum
Cerebellum
Brainstem

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17
Q

Cerebrum is the

A

The largest part and is responsible for receiving and processing information.
 cerebr/o

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18
Q

Cerebellum is the

A

The second largest part that coordinates muscle activity.
 cerebell/o

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19
Q

Brainstem connects the

A

Connects the cerebral hemispheres with the spinal cord and supports basic life functions

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20
Q

The autonomic nervous system is the

A

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

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21
Q

Two divisions of the ANS and what they do

A

sympathetic: “fight or flight”
 Stress response parasympathetic: “rest and digest”
 Maintains normal body function
 Returns body to normal after stress response

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22
Q

Coma

A

deep state of unconsciousness

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23
Q

PLR

A

Pupillary light reflex

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24
Q

Ataxia

A

Without co ordination

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25
Q

Catalepsy

A

rigidity of muscles accompanied by a trance like state

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26
Q

Cataplexy

A

Sudden attacks of muscle weakness triggered by an emotional response

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27
Q

Chorea

A

Repetitive, rhythmic contraction of facial or limb muscles

28
Q

Concussion

A

shaking of the brain caused by injury

29
Q

Contusion

A

bruising – injury that does not break the skin

30
Q

Demyelination

A

 Destruction or loss of myelin

31
Q

Encephalitis

A

 Inflammation of the brain

32
Q

Encephalopathy

A

 Any disease of the brain

33
Q

Epilepsy

A

Recurrent seizures

34
Q

Hematoma

A

 Mass or collection of blood

35
Q

Epidural hematoma

A

collection of blood above (superficial) the dura mater

36
Q

Subdural hematoma

A

 Collection of blood deep to (below) the dura mater and superficial to (above) the arachnoid membrane

37
Q

Hemiplegia

A

 Paralysis of one side of the body

38
Q

Paralysis

A

Loss of voluntary movement or immobility

39
Q

Paraplegia

A

Paralysis of the lower body in bipeds or hindlimbs in quadrupeds

40
Q

Meningitis

A

Inflammation of the meninges

41
Q

Neuralagia

A

Nerve pain

42
Q

Ptosis

A

 Prolapse or drooping of upper eyelid

43
Q

Ictus

A

Attack or actual seizure

44
Q

Syncope

A

Fainting

45
Q

Seizures

A

Sudden involuntary contraction of some muscles caused by a brain disturbance

46
Q

Analgesia

A

Without pain - describes pain relief

47
Q

Anesthesia

A

Absence of sensation

48
Q

Topical anesthesia

A

absence of sensation after a substance has been applied to skin

49
Q

Local anesthesia

A

absence of sensation after chemical injection to an adjacent area

50
Q

Epidural anesthesia

A

absence of sensation after injection of chemical into epidural space

51
Q

General anesthsia

A

absence of sensation and consciousness

52
Q

ANS

A

Autonomic nervous system

53
Q

CNS

A

central nervous system

54
Q

CSF

A

Cerebrospinal fluid

55
Q

PLR

A

Pupillary light reflux

56
Q

PNS

A

Peripheral nervous system

57
Q

Amnesia

A

memory loss

58
Q

Ataxia

A

without coordination

59
Q

Astrocytoma

A

Malignant intracranial tumor composed of astrocytes

60
Q

Catalepsy

A

Waxing rigidity of muscles accompanied by a trancelike state

61
Q

Cataplexy

A

Sudden attacks of muscular weakness

62
Q

Chorea

A

Repetitive, rhythmic contraction of limb or facial muscles

63
Q

ACh

A

acetlycholine

64
Q

BBB

A

Blood brain barrier

65
Q

CP

A

Conscious proprioception

66
Q

PEM

A

Polioencephalomalacia

VET TERM (20 decks)

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