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Fundamentals Of Pharmacology And Physiology > Intro To The Autonomic Nervous System > Flashcards

Intro To The Autonomic Nervous System Flashcards

1
Q

What happens in fight or flight?

A

Cardiac output increase
Blood diverted to skeletal muscle
Body temp increases so sweating increases
Peripheral vasodilation to allow heat loss
Metabolism of fuel stress to provide glucose

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2
Q

What does the parasympathetic system include?

A

Salivary gland
GI tract
Heart
Acid cells

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3
Q

What is a ganglion?

A

Area between neurones where acetylcholine is released

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4
Q

What does the sympathetic system include?

A

Arteries (heart)
Sweat gland
Adrenal gland

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5
Q

What is the length of the preganglionic fibre in the parasympathetic system?

A

Long

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6
Q

What is the length of the preganglionic fibre in the sympathetic system?

A

Short

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7
Q

What does acetylcholine stimulate the post ganglionic neurone to release?

A 
Noradrenaline (normally)
More acetylcholine (sweat glands only)
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8
Q

What parasympathetic nerves cell body is in the pupil?

A

Cranial nerve 3 (oculomotor)

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9
Q

What parasympathetic nerves cell body is in the submaxillary, sublingual and lacrimal glands?

A

Cranial nerve 7 (facial)

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10
Q

What parasympathetic nerves cell body is in the parotid glands?

A

Cranial nerve 9 (glossopharyngeal)

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11
Q

What parasympathetic nerves cell body is in the heart, kidneys, bronchi and GI tract to colon?

A

Cranial nerve X (vagus)

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12
Q

What parasympathetic nerves cell body is in the remainder of GI tract, bladder and genetalia

A

Sacral nerves

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13
Q

What sympathetic nerves cell body is in the pupil, facial glands, head circulation?

A

Superior cervical paravertebral ganglia

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14
Q

What sympathetic nerves cell body is in the heart and lungs?

A

Middle and inferior paravertebral ganglia

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15
Q

What sympathetic nerves cell body is in the sweat glands, pilomotor (hair) muscles, blood vessels of skeletal muscle and skin?

A

Remaining paravertebral ganglia

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16
Q

What parasympathetic nerves cell body is in the GI tract?

A

Prevertebral ganglia

17
Q

What are the sympathetic single input tissues?

A

Blood vessels and sweat glands

18
Q

What are the parasympathetic single input tissues?

A

Bronchial smooth muscle and ciliary muscle of the eye

19
Q

What molecule causes dilation when they go into the salivary glands or bronchial smooth muscle through the non-adrenergic non-cholinergic transmitters?

A

Vasoactive intestinal peptide

20
Q

What molecule causes vasoconstriction when they go into the post ganglionic sympathetic neurone through the non-adrenergic non-cholinergic transmitters?

A

ATP/ Neuropeptide Y

21
Q

What molecule causes erection when they go into the parasympathetic pelvic nerves through the non-adrenergic non-cholinergic transmitters?

A

Nitric oxide

Fundamentals Of Pharmacology And Physiology (7 decks)

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