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A & P > Nervous System > Flashcards

Nervous System Flashcards

1
Q

What is the 1st Cranial Nerve

A

Olfactory

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2
Q

Roman numeral for Olfactory

A

I (1)

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3
Q

What is the Function of Olfactory

A

Sense of Smell

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4
Q

2nd Cranial Nerve

A

Optic

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5
Q

Roman numeral for Optic

A

II (2)

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6
Q

Function of Optic

A

Sense of sight

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7
Q

3rd Cranial Nerve Name

A

Oculomotor

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8
Q

Roman numeral of oculomotor

A

III (3)

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9
Q

Function of Oculomotor

A

Movement of eyeballs, Raise eyelids and change pupil size

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10
Q

4th Cranial nerve

A

Trochlear

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11
Q

Roman numeral for Trochlear

A

IV (4)

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12
Q

Function of Trochlear

A

Movement of Eyeballs

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13
Q

5th Cranial Nerve

A

Trigeminal

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14
Q

Roman Numeral for Trigeminal

A

V (5)

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15
Q

Function of Trigeminal

A

Chewing food, Sensation in face and scalp, Cornea and teeth

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16
Q

6th Cranial Nerve Name

A

Abducens

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17
Q

Roman numeral for Abducens

A

VI (6)

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18
Q

Function of Abducens

A

Movement in eyeball

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19
Q

7rh Cranial Nerve

A

Facial

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20
Q

Roman numeral for Facial

A

VII (7)

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21
Q

Function of Facial

A

Facial Expression or secrete of saliva, taste and tears, Blinking

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22
Q

8th Cranial Nerve Name

A

Vestiocochler

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23
Q

Roman numeral for Vestiocochler

A

VIII (8)

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24
Q

Function of Vestiocochler

A

Sense of hear and balance

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25
Q

9th Cranial Nerve

A

Glossopharyngeal

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26
Q

Roman numeral for Glossopharyngeal

A

IX (9)

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27
Q

Function of Glossopharyngeal

A

Swallowing, Saliva, Taste and Sensory for the reflex regulation of BP, and part of the gag reflex

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28
Q

10th Cranial Nerve Name

A

Vagus

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29
Q

Roman numeral for Vagus

A

X (10)

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30
Q

Function of Vagus

A

Visceral Muscle Movement, especially movement of digestive tract

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31
Q

11th Cranial Nerve

A

Accessory

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32
Q

Roman Number of Accessory

A

XI (11)

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33
Q

Function of Accessory

A

Swallowing, head + Shoulder movement and speaking

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34
Q

12th Cranial Nerve

A

Hypoglossal

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35
Q

Roman numeral for Hypoglossal

A

XII (12)

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36
Q

Function of Hypoglossal

A

Speak and Swallowing

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37
Q

Blood Brain Barrier is

A

Formed by Astrocytes and prevents harmful chemicals and waste products in blood from entering the brain

38
Q

What is the spinal cord and what does it do

A

Continuation of brain stem and tube-like structure located in the spinal cavity and extends from frame magnum- L1

39
Q

What is a lumbar puncture?

A

Taking fluid from the spine and also called a spinal tap and it will not injure the spinal cord

40
Q

Phrenic Nervers are

A

Located in the cervical plexus, stimulates contraction of diaphragm, essential for breathing

41
Q

Hypothalamus is

A

Above the pituitary gland, produces hormone production and is the bodies thermostat

42
Q

What is the medulla oblongata?

A

Connection between the brain stem and spinal cord and descends through the foramen magnum

43
Q

What does the Left Hemisphere of the brain do

A

Think about speech (Talking), Injury to the left hemisphere will have speech impairments

44
Q

What are Axons?

A

An axon only moves one way and the long threadlike part of a nerve

45
Q

Reflexes are

A

Receptors stimulated, afferent neuron- moving to spinal cord, efferent (Motor Neuron)- Comes down sc to organ, effector organ- is stimulated and preforms

46
Q

What are some example of Reflexes

A

Withdrawal reflexes which have no thought and organ reflexes that is like a knee jerk

47
Q

Sympathetic Nervous system is

A

(Fight or Flight) the neurons are located in the thoracic cavity and the lumbar areas supplies certain organs by Postganglionic (group of) neurons (eyes, heart, salivary glands, liver, intestines, bladder and uterus)

48
Q

Parasympathetic is

A

(Feed and Breed) Also known as craniosacral outflow, do not have a chain of ganglia running parallel to the spinal cord, located near the target organs PS (Parasympathetic) activity generates a more localized response

49
Q

Chlolinergic is

A

Receptors of Parasympathetic and Sympathetic nervous system, EACh and Nervous System.

50
Q

Functions of Nervous System

A
  1. Gather info and environment
  2. Sensory info that we gather goes up to the CNS to Intemperate
  3. CNS converts to action
51
Q

CNS

A

Central Nervous System

52
Q

PNS

A

Peripheral Nervous System

53
Q

Brain and Spinal Cord

A

CNS

54
Q

Cranial and Spinal Nerves (Relay info to and from CNS)

A

PNS

55
Q

Cells that make up Nervous System

A

Neuroglia and Neurons

56
Q

Neuroglia is

A

Astrocytes and Ependymal cells, Microglia, Schwann Cells, Oligodendrocytes

57
Q

COPS-

A

Central Oligodendrocytes Peripherals

58
Q

Blood Brain Barrier are formed by

A

Astrocytes

59
Q

What does a Blood Brain Barrier

A

Blocking and shield from toxins from entering brain

60
Q

Waste Products may be normal in blood and tissue

A

But harmful to sensitive brain tissue (Keep toxic waste out)

61
Q

Parts of a Neuron

A

Cell Body, Dendrites and Axon

62
Q

Cell Body (Parts of a Neuron)

A

Collect and conduct electrical signals move towards cell body

63
Q

Axon (Parts of a Neuron)

A

Terminal moves on

64
Q

Parts of Axon

A

Myelin Sheath, Nodes of Ranvier, Neurilemma and Axon Terminal

65
Q

SAME

A

Sensory, Afferent, Motor, Efferent

66
Q

Types of Neurons

A

Sensory, Motor and Interneurons

67
Q

Are Sensory Neurons and Motor Neuron found in CNS

A

Yes

68
Q

Sensory Neurons are

A

Afferent Neurons (Sensing)

69
Q

Motor Neurons are

A

Efferent Brain and Spinal Sensory

70
Q

Motor is

A

Movement

71
Q

What does Motor Neurons do

A

Carry info from CNS toward Periphery

72
Q

Interneurons are found only in

A

CNS and it forms Connection

73
Q

White Matter

A

Made of Myelinated Axons (Fat Layer)

74
Q

Gray Matter

A

Unmyelinated axons (No mylins sheath)

75
Q

Cells bodies

A

Clusters in PNS: Ganglia

76
Q

Clusters in CNS

A

Nuclei

77
Q

Synapses

A

Chemical parts of nerve impulse

78
Q

What is a Nerve Impulse

A

Electrical Signals that convey info along a neuron

79
Q

The Nerve Impulse is

A

All or Nothing (Won’t ever travel half way as either all or nothing)

80
Q

Potassium inside cells and sodium outside when potassium leaks

A

Sodium goes inside

81
Q

Polarization:

A

Resting State

82
Q

Depolarization

A

Stimulated State

83
Q

Repolarization

A

Return to Resting

84
Q

What Causes nerve impulse to move

A

Action Potential (Nerve Impulse)

85
Q

Events at a synapse

A

Ach and Neuron B

86
Q

ACh is

A

No longer electrical and secrets from Neuron A, Diffused across synaptic cleft and bound to receptors on Neuron B

87
Q

4 Major areas of the Brain

A

Cerebrum, Diencephalon and Brain Stem, Cerebellum

88
Q

What is the Prime source of energy

A

Glucose

89
Q

What is the largest area of brain

A

Cerebrum

90
Q

What is Cerebral Cortex

A

Thin later on top of brain

A & P (1 decks)

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