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aNeuro Exam I- Lindsey's > Peripheral NS Anatomy and Physiology > Flashcards

Peripheral NS Anatomy and Physiology Flashcards

1
Q

Most of the clinically useful ANS drugs affect _____.

A

efferent neurons

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2
Q

____ connects the CNS to peripheral tissues.

A

A single neuron

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3
Q

____ connects the ANS to peripheral tissues.

A

A double-neuron connection

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4
Q

_____ neurons originate in the cranial nerve nuclei and sacral spinal cord.

A

Parasympathetic

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5
Q

Parasympathetic neurons originate in the ____ and ____.

A

cranial nerve nuclei and sacral spinal cord

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6
Q

____ neurons originate in the thoracic and lumbar spinal cord.

A

Sympathetic

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7
Q

Sympathetic neurons originate in the ____ and _____.

A

thoracic and lumbar spinal cord

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8
Q

_____ ganglia are located in the innervated organs.

A

Parasympathetic

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9
Q

Parasympathetic ganglia are located ______.

A

in the innervated organs

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10
Q

Sympathetic ganglia are located _____.

A

in 2 paravertebral chains along the spinal cord or in prevertebral ganglia in the abdomen

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11
Q

_____ ganglia are located in 2 paravertebral chains along the spinal cord or in prevertebral ganglia in the abdomen.

A

Sympathetic

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12
Q

_____ neurons are long.

A

Preganglionic parasympathetic and postganglionic sympathetic

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13
Q

Preganglionic parasympathetic neurons are ____.

A

long

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14
Q

Preganglionic sympathetic neurons are ____.

A

short

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15
Q

_____ neurons are short.

A

Preganglionic sympathetic and postganglionic parasympathetic

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16
Q

___ is released from cholinergic neurons.

A

ACh

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17
Q

ACh is released from _____ neurons.

A

cholinergic

18
Q

____ is released from adrenergic neurons.

A

NE

19
Q

NE is released from _____ neurons.

A

adrenergic

20
Q

What are the 2 subtypes of cholinergic receptors?

A

nicotinic and muscarinic

21
Q

What are the 2 subtypes of adrenergic receptors?

A

alpha and beta

22
Q

Blood vessels receive _____ innervation ONLY.

A

sympathetic

23
Q

The predominant control is by the ____ branch of the nervous system.

A

parasympathetic

24
Q

What is the parasympathetic nervous system?

A 
rest and digest
increased GI motility
emptying of bladder and rectum 
pupil constriction
slowed HR and BP
25
Q 
Which nervous system branch?
rest and digest
increased GI motility
emptying of bladder and rectum 
pupil constriction
slowed HR and BP
A

PNS

26
Q 
Which nervous system branch?
fight or flight
rise in blood glucose
blood flow to skeletal muscle
dilation of bronchioles and pupils
increased HR and BP
A

SNS

27
Q

What is the sympathetic nervous system?

A 
fight or flight
rise in blood glucose
blood flow to skeletal muscle
dilation of bronchioles and pupils
increased HR and BP
28
Q

What are the effects of muscarinic receptor binding to the postganglionic effector organs?

A

Parasympathetic effects

29
Q

What are the effects mediated by the nicotinic neuronal receptors at autonomic ganglia?

A

SNS effects

30
Q

What is the effect on BP of alpha-1 receptor activation?

A

vasoconstriction

31
Q

What is the effect on BP of beta-1 receptor activation?

A

increased HR and force of contraction

32
Q

What is the effect on BP of beta-2 receptor activation?

A

vasodilation

33
Q

What is the effect on BP of alpha-2 receptor activation?

A

decrease in SNS outflow

34
Q

What is the postural baroreceptor reflex arc?

A

an acute compensatory response involved in moment-to-moment adjustments in BP

35
Q

This is an acute compensatory response involved in moment-to-moment adjustments in BP.

A

the postural baroreceptor reflex arc

36
Q

How is the postural baroreceptor activated?

A

increased stretch from increased arterial pressure

37
Q

What is RAAS?

A

long term compensatory response involved in BP adjustment

38
Q

This is a long term compensatory response involved in BP adjustment.

A

RAAS

39
Q

How is RAAS initiated?

A

a decrease in renal blood flow

40
Q

What does decreased renal blood flow initiate?

A

RAAS

aNeuro Exam I- Lindsey's (26 decks)

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