Organisation of the NS Flashcards

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0
Q

Where are the ganglia located in a) the sympathetic and b) parasympathetic?

A

a) close to the CNS

b) close to or in the target

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1
Q

What is a collection of cell bodies in the CNS called?

A

Nucleus

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2
Q

What are the ganglionic neurotransmitters in both parasympathetic and sympathetic?

A

Acetylcholine and nicotinic

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3
Q

What NT is used in the somatic NS for a) efferent and b) afferent?

A

a) acetylcholine and b) glutamate

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4
Q

What is the postganglionic receptor and NT for parasympathetic and sympathetic?

A

Parasympathetic- acetylcholine and muscarinic

Sympathetic- noradrenaline a and b

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5
Q

What is a bundle of axons in the PNS called?

A

Nerve

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6
Q

Where is the neurone body located in a) efferent and b) afferent neurones of the somatic NS?

A

a) CNS and b) PNS

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7
Q

What type of muscle does the autonomic NS control?

A

Smooth and cardiac muscle

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8
Q

What is a ganglion in terms of neurones?

A

A collection of cell bodies in the PNS

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9
Q

Do parasympathetic or sympathetic have long preganglionic fibres?

A

Parasympathetic

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10
Q

Which parasympathetic or sympathetic has branched postganglionic fibres?

A

Sympathetic

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11
Q

What is a tract in terms of neurones?

A

A bundle of axons in the CNS

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12
Q

What type of muscle does the somatic NS control?

A

Skeletal muscle

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13
Q

What are supporting glia called?

A

Astrocytes

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14
Q

What do microglia do?

A

Immune cells of the CNS, clean up the toxic waste in the CNS after death. ‘Scavengers’

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15
Q

What do astrocytes do?

A

Provide nutrients to the nervous tissue and the repairing/scarring process in the brain

16
Q

Give the types of nerve cell?

A

Neurones

17
Q

What does the CNS include?

A

The brain and the spinal chord

18
Q

What does the PNS include?

A

The periphery neurones

19
Q

What branches of the autonomic NS are there?

A

Sympathetic and parasympathetic

20
Q

What neurones go from the receptor to the CNS?

A

Afferent

21
Q

What two branches of the motor PNS are there?

A

Autonomic and somatic

22
Q

What neurones go from the CNS to the effector?

A

Efferent

23
Q

What two types of neurones are involved in the somatic NS?

A

Sensory afferent and motor efferent

24
Q

What do the dendrites and axons of neurones do?

A

Dendrites receive information and axons pass on information

25
Q

Can multiple synapses contact one dendrite?

A

Yes

26
Q

Give the three types of supporting cells?

A

Neuroglia, glial cells and glia

27
Q

What are the two types of cells in the NS?

A

Nerve cells and supporting glia

28
Q

Is sympathetic or parasympathetic used for housekeeping?

A

Parasympathetic, sympathetic is for flight, fright and fight response

29
Q

What functions do the parasympathetic and sympathetic NS have?

A

Anatomical and functional devision, generally antagonistic

30
Q

What is the somatic nervous system often called?

A

The voluntary nervous system

31
Q

Which axons in the somatic nervous system are myelinated?

A

Efferent, afferent are not.