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Physiology > Autonomic Nervous System > Flashcards

Autonomic Nervous System Flashcards

1
Q

Location of preganglionic neuron and postganglionic neurons of the sympathetic nervous system

A

Preganglionic: cell body is in the thoracic and lumbar segment of the spinal cord
Postganglionic: cell body is in the paravertebral or prevertebral ganglia

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2
Q

Location of preganglionic neuron and postganglionic neurons of the parasympathetic nervous system

A

Preganglionic: cell body is in the brainstem and sacral segment of the spinal cord
Postganglionic: cell body is in the ganglia at the walls of effector organs

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3
Q

CNS: Neurotransmitter used by the somatic motor neuron

A

Acetylcholine

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4
Q

CNS: Neurotransmitter used by the preganglionic sympathetic neuron

A

Acetylcholine

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5
Q

CNS: Neurotransmitter used by the postganglionic sympathetic neuron (not in sweat glands, piloerector muscles)

A

Norepinephrine

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6
Q

CNS: Neurotransmitter used by the postganglionic sympathetic neuron in sweat glands, piloerector muscles

A

Acetylcholine

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7
Q

CNS: Neurotransmitter used by the preganglionic and postganglionic parasympathetic neuron

A

Acetylcholine

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8
Q

CNS: Type of receptors in sweat glands and piloerector muscles

A

Nicotinic receptors

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9
Q

CNS: Type of receptors in smooth muscles and glands innervated by the sympathetic nervous system (except sweat glands and piloerector muscles)

A

Muscarinic receptors

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10
Q

CNS: Type of receptors in smooth muscles and glands innervated by the parasympathetic nervous system

A

Muscarinic receptors

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11
Q

CNS: Type of receptors in skeletal muscle

A

Nicotinic receptors

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12
Q

Type of adrenergic nicotinic receptor for smooth muscle contraction

A

alpha 1 (MOA: IP3, increase ICF Ca2+)

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13
Q

Type of adrenergic nicotinic receptor at the presynaptic terminal and platelets

A

alpha 2 (MOA: decrease cAMP)

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14
Q

Type of adrenergic nicotinic receptor in the heart, salivary glands, adipose tissue, kidney

A

Beta 1 (MOA: increase cAMP)

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15
Q

Type of adrenergic nicotinic receptor for smooth muscle relaxation

A

Beta 2 (MOA: increase cAMP)

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16
Q

Cranial nerves associated with parasympathetic nervous system

A

CN III, VII, IX, X

17
Q

3 organs with no parasympathetic innervation

A

ventricles of the heart, blood vessels, pregnant uterus

18
Q

To see far objects:

a. lens should be flat/spherical?
b. suspensory ligaments should be tensed or relaxed?
c. ciliary muscles should be relaxed or contracted?

A

a. lens flat
b. suspensory ligaments tensed
c. ciliary muscles relaxed

19
Q

To see near objects:

a. lens should be flat/spherical?
b. suspensory ligaments should be tensed or relaxed?
c. ciliary muscles should be relaxed or contracted?

A

a. lens spherical
b. suspensory ligaments relaxed
c. ciliary muscles contracted

20
Q

Sympathetic or Parasympathetic?

Mydriasis

A

Sympathetic

21
Q

Sympathetic or Parasympathetic?

Accomodation

A

Parasympathetic

22
Q

Sympathetic or Parasympathetic?

Sweating

A

Sympathetic

23
Q

Sympathetic or Parasympathetic?

Salivation

A

Mucoid: sympathetic
Watery: parasympathetic

24
Q

Sympathetic or Parasympathetic?

Glandular secretion

A

Parasympathetic

25
Q

Sympathetic or Parasympathetic?

Increased HR, cardiac contractility

A

Sympathetic

26
Q

Sympathetic or Parasympathetic?

Bronchoconstriction

A

Parasympathetic

27
Q

Sympathetic or Parasympathetic?

GI motility/peristalsis

A

Parasympathetic

28
Q

Sympathetic or Parasympathetic?

Increased blood glucose, lipids

A

Sympathetic

29
Q

Sympathetic or Parasympathetic?

GU and GI sphincter contraction

A

Sympathetic

30
Q

Sympathetic or Parasympathetic?

Uterine contraction

A

Sympathetic

31
Q

Sympathetic or Parasympathetic?

Urination

A

Parasympathetic

32
Q

Sympathetic or Parasympathetic?

Defecation

A

Parasympathetic

33
Q

Sympathetic or Parasympathetic?

Vasodilation - skeletal muscles

A

Sympathetic (Beta 2)

34
Q

Sympathetic or Parasympathetic?

Vasoconstriction - skin, splanchnic, renal, venous

A

Sympathetic (Alpha 1)

35
Q

Sympathetic or Parasympathetic?

Piloerection

A

Sympathetic

36
Q

Sympathetic or Parasympathetic?

Erection

A

Parasympathetic

37
Q

Beta 3 receptor is found where?

A

Brown fat (for thermogenesis)

Physiology (13 decks)

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