Musculoskeletal and Central Nervous System Flashcards

1
Q

What does the sympathetic nervous system do?

A

Initiates fight or flight responses (often positive feedback)

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2
Q

What does the parasympathetic nervous system do?

A

Initiates relaxation reflexes after stress (often inhibitory feedback)

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3
Q

What are the 3 subdivisions of the autonomic nervous system?

A

Sympathetic, Parasympathetic & Enteric.

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4
Q

What do exocrine glands do?

A

Release substances out of the body for example sweat or tears.

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5
Q

What do endocrine glands do?

A

Release substances (largely hormones) within the body.

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6
Q

What does the enteric nervous system do?

A

Controls the GIT with functions such as peristalsis and gastric acid secretion.

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7
Q

What are afferent fibres and what do they do?

A

Axons that carry nerve signals from sensory neurons to the CNS.

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8
Q

What are efferent fibres and what do they do?

A

Axons that carry nerve signals from the CNS to effectors (often glands and muscles).

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9
Q

What is the autonomic nervous system?

A

A component of the nervous system that controls involuntary processes such as breathing and sexual arousal.

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10
Q

What sort of responses do somatic motor neurons enable?

A

Voluntary responses.

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11
Q

What structures makes up the CNS?

A

Brain & Spinal Cord

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12
Q

What is Neuro Transmitter?

A

Chemicals that allow neurons to communicate with each other throughout the body. E.g. acetylcholine.

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13
Q

What is antagonistic control?

A

When 2 components work together in the body to control a function but have opposite functionality e.g. bicep & triceps.

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14
Q

What is tonic control?

A
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15
Q

What are Ganglion and what do they do?

A
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16
Q

What is Acetyl Choline and what does it do?

A
17
Q

Which receptors recognise Acetyl Choline?

A

Nicotinic receptors & Muscarinic receptors

18
Q
A