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Hennepin Paramedic Trainee 2024 > Autonomic Nervous System > Flashcards

Autonomic Nervous System Flashcards

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1
Q

Hormones

A

chemical messengers that are manufactured by the endocrine glands, travel through the bloodstream, and affect other tissues

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2
Q

Heart Sympathetic and Parasympathetic Response

A

-Sympathetic stimulation leads to increased heart rate and increased contractile force

-Parasympathetic stimulation leads to decreased heart rate and decreased contractile force

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3
Q

Lung Sympathetic and Parasympathetic Response

A

-Sympathetic stimulation causes bronchodilation

-Parasympathetic stimulation causes bronchoconstriction

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4
Q

Kidneys sympathetic and parasympathetic response

A
  • Sympathetic stimulation leads to decreased output
  • Parasympathetic stimulation has no effect on the kidneys
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5
Q

Systemic Blood Vessels sympathetic and parasympathetic response (skin, muscle, and abdominal)

A

Sympathetic: Abdominal constricted Muscle constricted (alpha) and dilated (beta) Skin Constricted

Parasympathetic: None

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6
Q

Liver sympathetic and parasympathetic response

A

Sympathetic stimulation causes glucose release

Parasympathetic stimulation causes slight glycogen synthesis

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7
Q

Blood Glucose Sympathetic and Parasympathetic Response

A
  • Sympathetic stimulation leads to increased blood glucose
  • Parasympathetic stimulation has no effect on blood glucose levels
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8
Q

Sweat Glands Sympathetic and Parasympathetic Response

A

Sympathetic stimulation leads to copious sweating (increased up to 100%)

Parasympathetic stimulation causes no change in sweat gland activity

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9
Q

Pupils Sympathetic and Parasympathetic Response

A
  • Sympathetic stimulation causes dilated pupils
  • Parasympathetic stimulation causes constriction
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10
Q

Basal Metabolism Sympathetic and Parasympathetic Response

A
  • Sympathetic stimulation leads to increased basal metabolism
  • Parasympathetic stimulation has no effect on basal metabolism
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11
Q

Skeletal Muscle Sympathetic and Parasympathetic Response

A
  • Sympathetic stimulation leads to increased strength
  • Parasympathetic stimulation causes no change in skeletal muscle strength
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12
Q

adrenergic receptors

A

receptor sites for the sympathetic neurotransmitters norepinephrine and epinephrine

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13
Q

Sympathomimetic drugs

A

A class of drugs whose effects mimic those resulting from the stimulation of the sympathetic nervous system.

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14
Q

Sympatholytics

A

drugs that inhibit the postganglionic functioning of the sympathetic nervous system

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15
Q

Catecholamines

A

dopamine, norepinephrine, epinephrine

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16
Q

bronchodilator

A

-A medication that relaxes and expands the bronchial passages into the lungs

-Act more on Beta 2 receptors than on Beta 1 receptors

17
Q

Alpha 1 receptor actions

A

-Peripheral vasoconstriction -Increased contractile force
-Decreased HR

18
Q

Alpha 2 receptor actions

A

-Decreased catecholamines in circulation
-Vasodilation and decreased BP

19
Q

Beta 1 Receptors Action

A

-Increased Heart Rate
-Increased Contractile Force
-Increased Automaticity

20
Q

Beta 2 Receptors Action

A

Increased: vasoDILATION, bronchoDILATION Decreased: GI activity, Uterine smooth muscle contraction

21
Q

Beta 3 Receptors Action

A

Lipolysis Thermogenesis

22
Q

Dopaminergic receptors

A

-An additional adrenergic receptor

-Stimulated by dopamine

-Causes dilation of the following blood vessels, resulting in increased blood flow Renal Mesenteric Coronary Cerebral

23
Q

acetylcholine receptors

A

nicotinic and muscarinic

24
Q

Acetylcholine Receptor Locations

A

-Neuromuscular: Nicotinic
-CNS and ANS: Muscarinic and Nicotinic

25
Q

nicotinic muscle receptor

A

cholinergic receptor located at the neuromuscular junction of skeletal muscle and initiates muscular contractions as part of the SNS

26
Q

Muscirinic receptors

A

Found in many organs and responsible for promoting the parasympathetic response.

Hennepin Paramedic Trainee 2024 (22 decks)

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