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Anatomy and physiology > Nervous System > Flashcards

Nervous System Flashcards

1
Q

What cells make up nervous tissue?

A

Neurons

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2
Q

What do Afferent nerve fibres do?

A

receive information from the PNS and take it to the CNS

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3
Q

What do Efferent nerve fibres do?

A

sned information from the CNS to the PNS

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4
Q

What does CNS stand for?

A

central nervous system

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5
Q

What does PNS stand for?

A

Peripheral nervous system

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6
Q

What makes up the central nervous system?

A

Brain and spinal chord

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7
Q

what makes up he peripheral nervous system?

A

cranial nerves and spinal nerves

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8
Q

What is the caudal equine?

A

where the spinal chord terminates at the last few vertebra

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9
Q

What is the name of the place that the spinal chord terminates in the last few vertebra?

A

Caudal equine

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10
Q

What do somatic nervers do?

A

serve voluntary parts of the body

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11
Q

What do visceral nerves do?

A

serve involuntary parts of the body

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12
Q

Which nerves serve voluntary parts of the body?

A

Somatic nerves

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13
Q

Which nerves serve involuntary parts of the body?

A

visceral nerves

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14
Q

What is grey matter?

A

the term used to describe the appearance of cell bodies

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15
Q

What is white matter?

A

the term used to describe the appearance of axions or fibres

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16
Q

What is a reflex action?

A

a response to the stimulus that doesn’t have to be learned

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17
Q

What is the name of cells produced in the myelin sheath?

A

Schwann Cells

18
Q

What are Schwann Cells?

A

Cells that are produced in the myelin sheath

19
Q

What are short projections that receive impulses called?

A

Dendrites

20
Q

What are Dendrites?

A

Short projections that receive impulses

21
Q

What are the gaps in the myelin sheath called?

A

Nodes of ranvier

22
Q

What are the nodes of ranvier?

A

Gaps in the myelin sheath

23
Q

What is the function of the nodes of ranvier?

A

Allow the passage of oxygen and nutrients

24
Q

What is the name of the membrane surrounding the nerve cell?

A

Neurioemma

25
Q

What is the Neurioemma?

A

The membrane surrounding the nerve

26
Q

What is the name of the space between two nerve cells?

A

Synapse

27
Q

What is a synapse?

A

The space between two nerve cells

28
Q

What is the name of the junction between a neuron and a muscle fibre?

A

the neuromuscular junction

29
Q

What is the neuromuscular junction?

A

the space between a neuron and a muscle fibre

30
Q

What is a neurotransmitter?

A

a chemical that allows the transmission of nerve impulses

31
Q

What is a ganglion?

A

a group of cell bodies found in the PNS

32
Q

What does the autonomic nervous system consist of?

A

consists of spinal nerves that supply motor fibres to the visceral motor system. It is self governing (not under conscious control)

33
Q

What does the sympathetic system do?

A

Prepares the body of stressful or hazardous situations

34
Q

What is the autonomic nervous system?

A

The part of the nervous system responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestive process

35
Q

What is the sympathetic nervous system?

A

part of the autonomic nervous system (ANS), which also includes the parasympathetic nervous system (PNS). The sympathetic nervous system activates what is often termed the fight or flight response

36
Q

What are somatic nerves?

A

nerves that serve voluntary parts of the body

37
Q

What are visceral nerves?

A

nerves that serve involuntary parts of the body

38
Q

what is the Parasympathetic nervous system?

A

relating to the part of the autonomic nervous system which balances the action of the sympathetic nerves. It consists of nerves arising from the brain and the lower end of the spinal cord and supplying the internal organs, blood vessels, and glands.

39
Q

What is a Motor Nerve?

A

A nerve carrying impulses from the brain or spinal chord to a muscle or gland

40
Q

What is a sensory nerve?

A

also called an afferent nerve, is a nerve that carries sensory information toward the central nervous system

41
Q

What is an axon?

A

one long process on the neuron that carries nerve impulses away from the cell body.

42
Q

What is the name of the point at which the axon leaves the cell?

A

Axon hillock

Anatomy and physiology (29 decks)

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