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Anatomy > Nervous System Test > Flashcards

Nervous System Test Flashcards

1
Q

What makes up the peripheral nervous system?

A

The nerves outside the brain and the spinal cord; it extends down the arms, legs, and to the organs

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2
Q

The largest most complex Mass of nervous tissue in the body

A

The brain

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3
Q

What are the 4 major brain regions?

A

Cerebrum, diencephalon, brain stem, cerebellum

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4
Q

The right and left hemispheres of the brain

A

Cerebrum

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5
Q

The hypothalamus and thalamus

A

Diencephalon

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6
Q

Midbrain, pons, and medulla

A

The Brain stem

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7
Q

The cortex (outer layer) of the cerebrum is what?

A

Gray matter

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8
Q

The interior of the cerebrum is?

A

White matter

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9
Q

The cerebrum is involved in?

A

Logical reasoning, moral conduct, emotional responses, sensory interpretation, speech, voluntary muscle activity

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10
Q

The frontal, parietal, occipital, and temporal lobes are part of the?

A

Cerebrum

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11
Q

The diencephalon is called?

A

The interbrain

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12
Q

What is the function of the thalamus?

A

It is the relay station for sensory impulses

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13
Q

What is the function of the hypothalamus?

A

Regulates body temp., water balance, and metabolism

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14
Q

What is the top of the brain stem called?

A

The midbrain

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15
Q

What is the middle of the brain stem?

A

The pons

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16
Q

What is the bottom of the brain stem?

A

Medulla

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17
Q

What is the function of the brain stem?

A

Conveys impulses to the brain, controls HR, BP, breathing, swallowing, vomiting, and all necessary life functions

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18
Q

What does the cerebellum do?

A

It coordinates muscle activity and controls our balance and equilibrium

19
Q

What are the membranes that cover the brain called?

A

Menegies

20
Q

Which layer of the menegie is the tough membrane attached to the skull?

A

Dura mater

21
Q

Which is the middle, web-like layer of the menegie called?

A

Arachnoid mater

22
Q

What is the delicate, inner layer of the menegie that clings to the brain?

A

Pia mater

23
Q

The 2-way conduction pathway to and from the brain that is enclosed in the vertebral column

A

Spinal cord

24
Q

How many pairs of spinal nerves come out of the cord?

A

31

25
Q

The part of the spinal cord that looks like an H?

A

Gray matter

26
Q

The white mater of the spinal cord is the?

A

Outer layer

27
Q

The dorsal and central roots of the spinal cord project from the front and back of the cord and then go into the what?

A

Spinal nerves

28
Q

The nerve cells that transmit messages from one part of body to another?

A

Neurons

29
Q

What are the messages sent from the brain called?

A

Nerve impulses

30
Q

What are the parts of a neuron?

A

The cell body and processes

31
Q

What contains the nucleus and organelles?

A

The cell body

32
Q

The part of the neuron that includes the dendrites and axons?

A

The processes

33
Q

The part of the neuron that brings electrical signals towards cell body, they receive incoming messages

A

Dendrites

34
Q

The part of the neuron that conducts electrical signal away from the cell body

A

Axon

35
Q

The axon terminal contains chemicals called what?

A

Neurotransmitters

36
Q

What are the gaps between neurons called?

A

Synapses

37
Q

What nervous system controls body activities automatically?

A

Autonomic nervous system

38
Q

What is the function of the autonomic nervous system?

A

Regulates your smooth muscles, heart muscles and glands involuntarily

39
Q

In control most of the time, calms body after sympathetic nervous system is aroused?

A

Parasympathetic nervous system

40
Q

Prepares body to react to some threat; fight or flight response

A

Sympathetic nervous system

41
Q

Rapid, predictable, involuntary responses to stimuli

A

Reflexes

42
Q

What is the reflex arc?

A

The receptor reacts to stimulus, the sensory neuron carry impulses to the CNS, integration centers are the spinal cord and brain, motor neurons carry impulses to effector organs, and effector organs stimulate muscle or gland

43
Q

What makes up the central nervous system?

A

The brain and spinal cord

Anatomy (19 decks)

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