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Module 2 > ch 12 > Flashcards

ch 12 Flashcards

1
Q

Subdivsions of the PNS

A

autonomic nervous system

somatic motor system

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2
Q

Subdivision of the autonomic nervous system

A

parasympathetic nervous system

sympathetic nervous system

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3
Q

True or Flase

The Somatic motor system controls involuntary movements of mulses

A

Flase

Somatic motor system control voluntary movement of muscles

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4
Q

Threee principal functions of autonomic nervous system

A

regulation of the heart
regulation of secretory glands
regulation of smooth muscles

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5
Q

Seven regulatory functions of parasympathetic nervous system

A 
heart rate
gastric secretion
emptying of bladder
emptying of bowel
eye focus
contraction of pupil
bronchial smooth muslce
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6
Q

sympathetic nervous system three main functions

A

regulating cardiovascular system
regulating temperature of body
implementing acute stress response

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7
Q

What are the three basic patterns of autonomic innervation

A
  1. innervation by both and divisions are opposed
  2. innervation by both divisions and divisions are complementary
  3. innervation and regulation by only one division
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8
Q

The most important part of the feedback loop of autonomic nervous system

A

baroreceptor reflex

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9
Q

What is the baroreceptor relfex

A

the feedback loop of the autonomic nervous system that helps regulate blood pressure

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10
Q

Name the day to day influence exerted by the autonomic nervous system on a particular organ

A

autonomic tone

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11
Q

Name the neurotransmitters of the PNS

A

acetylcholine
norepinephrine
epinephrine

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12
Q

these receptors mediate responses at all junctions where acetylcholine (ACh) is the transmitter

A

Cholinergic receptors

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13
Q

Theses receptors medicate responses at all junctions where norepinephrine or epinephrine is the transmitter

A

adrenergic receptors

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14
Q

The three major subtypes of cholinergic receptors

A

nicotinicN
nicotinicM
muscarinic

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15
Q

Four major subtypes of adrenergic receptros

A

a1
a2
b1
b2

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16
Q

What is the response to activation of nicotinicN

A

promotes ganglionic transmission at all ganglia and promotes release of epinephrine from adrenal medial

17
Q

What is the response to activation of nicotinicM

A

contraction of skeletal muscle

18
Q

What is the response to activation of muscarinic

A

The appropriate response from the organ involved

19
Q

What organs are target by muscarinic receptor

A 
eye
heart
lung
bladder
GI track
sweat glands
sex organs
blood vessels
20
Q

Location of a1 receptors

A 
eye
blood vessels
male sex organs
prostatic capsule
bladder
21
Q

Location of a2 receptors

A

nerve terminals

22
Q

location of b1 receptors

A

heart

kidney

23
Q

What b1 receptors have great therapeutic significance

A

Cardiac b1 receptors

24
Q

What happens with activation of b1 receptors in heart

A

increase heart rate
increase force of contraction
increase in AV node conjunction velocity

25
Q

Activation of b1 receptor in kidneys result in what

A

release of renin resulting in elevation of BP due to constriction

26
Q

Location of b2 receptors

A 
arterioles
heart
lung
skeletal muscle
bronchi
uterus
liver 
skeleteal muscle
27
Q

Dopamine receptor location

A

kidney

28
Q

result of activation of dopamine receptor

A

dilates renal blood vessels

29
Q

which receptors can epinephrine activate

A

a1
a2
b1
b2

30
Q

which receptors can norepinephrine activate

A

a1
a2
b1

31
Q

which receptors can dopamine activate

A

a1
b1
dopamine

Module 2 (6 decks)

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