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SF2 - Test 1 > 3 - Ind. Learning - Autonomic Nervous System > Flashcards

3 - Ind. Learning - Autonomic Nervous System Flashcards

1
Q

What are two divisions of Autonomic Nervous System?

A

Sympathetic - Fight or Flight

Parasympathetic - Rest and Digest

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2
Q

Sympathetic Preganglionic

Neurotransmitter

Receptor

A

Neurotransmitter: Acetylcholine

Receptor: Nicotinic, Cholinergic

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3
Q

Sympathetic Postganglionic

Neurotransmitter

Receptor

A

Neurotransmitter: Norepinephrine

Receptor: Adrenergic

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4
Q

Parasympathetic Preganglionic

Neurotransmitter

Receptor

A

Neurotransmitter: Acetylcholine

Receptor: Nicotinic, Cholinergic

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5
Q

Parasympathetic Postganglionic

Neurotransmitter

Receptor

A

Neurotransmitter: Acetylcholine

Receptor: Muscarinic, Cholinergic

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6
Q

Nicotinic vs Muscarinic

A

Nicotinic = Excitatory

Muscarinic = Excitatory or Inhibitory

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7
Q

Adrenergic neurotransmitter?

Receptor types?

A

Neurotransmitter: Norepinephrine

Alpha-1: Smooth Muscle Contraction

Alpha-2: Smooth Muscle Contraction

Beta-1: Smooth Muscle Relaxation

Beta-2: Smooth Muscle Relaxtion

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8
Q

Sympathetic Activation

A

Fight or Flight

Anxiety

Low Blood Sugar

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9
Q

Parasympathetic Activation

A

Rest and Digest

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10
Q

Autonomic Nervous System length differences?

A

Sympathetic: Short Preganglionic + Long Postganglionic

Parasympathetic: Long Preganglionic + Short Postganglionic

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11
Q

Sympathetic vs Parasympathetic

Preganglionic Origins?

Location of Ganglia?

A

Sympathetic: Thoracolumbar

Parasympathetic: Craniosacral

Sympathetic: Paravertebral / Prevertebral Ganglia

Parasympathetic: In or Near Effector Organs

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12
Q

Location of Sympathetic Preganglion Neurons

A

Thoracolumbar: T1 - L3

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13
Q

Exceptions to Sympathetic Nervous System Neurotransmitters/Receptors?

A

Sweat Glands: Postganglionic NT’s - Acetylcholine + Muscarinic/Cholinergic

Adrenal Glands: Preganglion acts directly on Adrenal Gland to release Epinephrine & Norepinephrine

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14
Q

Antagonistic Innervations

A

Effects oppose one another

Ex:

PSNS - Lower heart rate

SNS - Increase heart rate

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15
Q

Complementary Innervation

A

Effects are similar (very few examples)

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16
Q

Synergistic Innervation

A

Effects are different, but act together on a single function

Ex:

PSNS - Erection

SNS - Ejaculation

17
Q

Organs that contain mostly sympathetic innervation?

A

Vascular Smooth Muscle

Sweat Glands

Pilomotor Muscle of the Skin

Liver

Adipose Tissue

Kidney

Rely only on Sympathetic Innervation–up/down regulate

18
Q

Sympathetic Nervous System Effects?

A

Increase: Heart Rate, Blood Pressure (vasoconstriction), Dilate airway, Dilate pupil, Blood glucose, ATP generation

Decrease: Digestive/Urinary Function

19
Q

Parasympathetic Effects?

A

Decrease: Heart rate, Contrict airways, Constrict pupils

No effect on Vascular Smooth Muscle

20
Q
A

SF2 - Test 1 (20 decks)

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