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Pharmacology > Introduction - Autonomic Nervous System > Flashcards

Introduction - Autonomic Nervous System Flashcards

1
Q

What is the origin of the sympathetic

A
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2
Q

What is the origin of parasympathetic

A
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3
Q

Explain ganglia in sympathetic

A

Para-vertebral close to spinal cord forming the sympathetic chain

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4
Q

Explain the ganglia in parasympathetic

A

Terminal or embedded in supplied organ

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5
Q

Describe the pre and post ganglionic in sympathetic

A

Preganglionic - short
Postganglionic - long

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6
Q

Describe the pre and post ganglionic in parasympathetic

A

Preganglionic - long
Postganglionic - short

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7
Q

Which organs receive nerve supply only sympathetic

A
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8
Q

Which organ receives nerve supply only parasympathetic

A

Constrictor pupillae muscle

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9
Q

What does the sympathetic control

A

Blood vessels and sweat glands

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10
Q

What does parasympathetic control

A

All organs except blood vessels and sweat glands

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11
Q

When does sympathetic act

A

In stress - fight and flight

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12
Q

When does the parasympathetic act

A

In psychic relaxation - rest and digestion

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13
Q

What does the sympathetic do to the heart ?

A

Increase all cardiac properties

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14
Q

What does the parasympathetic do to the heart ?

A

Decrease all cardiac properties except atrial conduction

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15
Q

What does the sympathetic do to the blood vessels ?

A

Vasoconstriction of skin
Vasodilation of skeletal and coronary blood vessels

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16
Q

What does the parasympathetic do to the blood vessels ?

A

Mom-innervated

17
Q

What does the sympathetic do to the blood pressure ?

A

Hypertension

18
Q

What does the parasympathetic do to the blood pressure ?

A

Hypotension

19
Q

What does the sympathetic do to the eye ?

A

Dilated (mydriasis)

20
Q

What does the parasympathetic do to the eye ?

A

Constricted (miosis) and decrease intraocular pressure

21
Q

What does the sympathetic do to the bronchi ?

A

Bronchodilation

22
Q

What does the parasympathetic do to the bronchi ?

A

Bronchospasm

23
Q

What does the sympathetic do to the GIT?

A
24
Q

What does the parasympathetic do to the GIT?

A
25
Q

What does the sympathetic do to the urinary tract ?

A

Relax wall
Contract sphincter

26
Q

What does the parasympathetic do to the urinary tract ?

A

Contract wall
Relax sphincter

27
Q

What does the sympathetic do to the sex organs ?

A

Ejaculation in male
Relax uterine wall in female

28
Q

What does the parasympathetic do to the sex organs ?

A

Erection in male

29
Q

What does the sympathetic do to the salivary and sweat glands ?

A

Salivary - thick viscid secretion
Sweat - increases

30
Q

What does the sympathetic do to the salivary and sweat glands ?

A

Salivary - profuse and watery
Sweat - no effect

31
Q

Which neurotransmitter does the sympathetic release

A

Pre-ganglia - acetylcholine
Post-ganglia - noradrenaline

32
Q

Which neurotransmitter does the parasympathetic release

A

Acetylcholine in both pre and past ganglia

33
Q

In sympathetic in post ganglionic what are the exception that release acetylcholine instead of noradrenaline

A

Sweat glands, skeletal blood vessels

34
Q

What is the synthesis in sympathetic

A
35
Q

What is the synthesis in parasympathetic

A
36
Q

What is the storage in sympathetic

A

In adrenergic granules (vesicles)

37
Q

What is the storage in parasympathetic

A

In cholinergic granules (vesicles)

38
Q

What are the steps involved in neurochemical transmission

A

Pharmacology (12 decks)

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