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PHAR1803 > The Nervous System > Flashcards

The Nervous System Flashcards

1
Q

What is a sensory input?

A

Sensory receptors detecting a stimulus

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2
Q

What is Integration?

A

Nervous system processes an input and decides what should be done

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3
Q

What is the motor output?

A

Response when nervous system activates certain parts of the body

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4
Q

What is the term for sensory receptors detecting a stimulus?

A

Sensory Input

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5
Q

What is the term for nervous system processes an input and decides what should be done

A

Integration

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6
Q

What is the term for a response when nervous system activates certain parts of the body

A

Motor Output

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7
Q

What does the Central Nervous System (CNS) contain?

A

-Brain
-Spinal Cord

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8
Q

What is the main function of the CNS?

A

It is the main control centre

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9
Q

What is the Peripheral Nervous System?

A

-All the nerves branching off
-Responsible for communication with the rest of the body

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10
Q

What are the two divisions of the Peripheral

A

-Sensory Division
-Motor division

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11
Q

Is the sensory division afferent or efferent?

A

Afferent

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12
Q

Is the motor division afferent or efferent?

A

Efferent

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13
Q

What is the function of the sensory division?

A

Picks up sensory stimuli

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14
Q

What division picks up sensory stimuli?

A

Sensory Division

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15
Q

What is the function of the motor division?

A

Sends directions from brain to muscles and glands

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16
Q

What sends directions from brain to muscles and glands?

A

Motor Divison

17
Q

What two things do neurons do?

A

-Respond to stimuli
-Transmit signals

18
Q

Name all the glial cells in the central nervous system

A

-Astrocytes
-Microglial cells
-Ependymal cells
-Oligodendrocytes

19
Q

Name all the glial cells in the peripheral nervous system

A

-Satellites cells
-Schwann cells

20
Q

What is the function of an astrocyte?

A

Exchange of materials between neurons and capillaries

21
Q

What is the function of a microglial cell?

A

Immune defence against invading pathogens

22
Q

What is the function of an ependymal cell?

A

Create, secrete and circulate cerebrospinal fluid

23
Q

What is the function of an oligodendrocyte?

A

Produce an insulating barrier (myelin sheath)

24
Q

What is the function of a Shwannn cell?

A

Produce an insulating barrier (myelin sheath)

25
Q

What is the function of a satellite cell?

A

Surround and support neuron cell bodies

26
Q

Which glial cell exchanges materials between neutrons and capillaries?

A

Astrocyte

27
Q

Which glial cell provides immune defence against invading pathogens?

A

Microglial Cells

28
Q

Which glial cell create, secrete and circulate cerebrospinal fluid?

A

Ependymal Cell

29
Q

Which glial cells produce an insulating barrier (myelin sheath)?

A

-Oligodendrocytes
-Schwann Cells

30
Q

What is the function of the axon?

A

Transmit electrical impulses away from the body to other cells

31
Q

How do electrical impulses travel through a sensory neuron?

Route

A

From sensory receptors to the CNS

32
Q

Are sensory neurones unipolar or multipolar?

A

Unipolar

33
Q

How do electrical impulses travel through a motor neuron?

A

From CNS to the rest of the body

34
Q

Are motor neurons unipolar or multipolar?

A

Multipolar

35
Q

What are interneurons associated with?

A

Neurons

36
Q

What is the function of the interneuron?

A

Impulses move between sensory and motor neurons

37
Q

Is the interneuron unipolar or multipolar?

A

Multipolar

PHAR1803 (27 decks)

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