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Anatomy > Autonomic Nervous System > Flashcards

Autonomic Nervous System Flashcards

1
Q

The autonomic nervous system is called the

A

Visceral nervous system

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2
Q

The ANS is regulated…

A

Below conscious level, without conscious effort

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3
Q

The visceral sensory components detect…

A

Stimulus associated with blood vessels and internal organs

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4
Q

The autonomic motor, visceral motor controls

A

Cardiac muscle, smooth muscle, and glands

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5
Q

The ANS regulates….

A

Heart function, BP, body temperature, respiratory rate, sweating, and digestive function

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6
Q

The autonomic motor system has

A

2 divisions, parasympathetics and sympathetics

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7
Q

The sympathetic and parasympathetic divisions have

A

Presynaptic neurons in the CNS

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8
Q

Presynaptic neurons in the CNS send their axons into the

A

PNS to synapse with post syntactic neuron

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9
Q

The sympathetics and parasympathetics are a

A

Two neuron relay to the target

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10
Q

Pre synaptic snd post synaptic neurons synapse at the

A

Ganglia

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11
Q

Sympathetics and parasympathetics go to the

A

Same targets (cardiac muscle, smooth muscle and glands)

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12
Q

Sympathetics and parasympathetics have what kind of effect on their targets

A

Opposite

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13
Q

Somatic motor systems travel to

A

Skeletal muscles

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14
Q

Autonomic motor systems takes how many neurons

A

2

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15
Q

The somatic motor system always causes an

A

Extinction of the target

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16
Q

The autonomic motor system can cause

A

Excitation or inhibition of the target

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17
Q

Autonomic motor system begins with the

A

Presynaptic neuron, ganglia, and then post synaptic neuron

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18
Q

The axons of the somatic motor neurons leave the

A

CNS and travel to the skeletal muscles directly

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19
Q

Somatic motor neurons release what neurotransmitter

A

Acetylcholine

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20
Q

Somatic motor neurons only excite their

A

Targets

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21
Q

The axons of pre synaptic sympathetic and parasympathetic neurons leave the

A

CNS to meet with post synaptic neurons in the ganglia and release acetylcholine

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22
Q

The axons of post synaptic sympathetic neurons release

A

norepinephrine

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23
Q

The axons of post synaptic parasympathetic neurons travel to

A

Smooth muscle, cardiac muscle, or glands and release acetylcholine

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24
Q

Norepinephrine and acetylcholine have what kind of effects on smooth muscle, cardiac muscle, and glands

A

Opposite

25
Q

Pre synaptic sympathetic axons are _ and pre synaptic parasympathetic neurons are _

A

Short, long

26
Q

Post synaptic sympathetic neurons are _ and post synaptic parasympathetic neurons are _

A

Long, short

27
Q

Parasympathetic division of ANS doesn’t have

A

Sweat glands

28
Q

Parasympathetic division of ANS are also called the…

A

Craniosacral division of the ANS

29
Q

In the Parasympathetic division, pre synaptic cell bodies are located in the

A

Brainstem and sacral spinal cord S2-S4

30
Q

The parasympathetic division function

A

Rest and digest; heart rate decreases, bronchioles constrict, and digestion salivation lacrimation increase.

31
Q

The cell bodies of post synaptic neurons located in the ganglia are

A

Close to target structures

32
Q

The cranial nerves that have a parasympathetic component are the

A

Oculomotor, facial, vagus, and glossopharyngeal

33
Q

The presynaptic parasympathetics originate in the

A

Brainstem and sacral spinal cord

34
Q

The cranial nerves distribute parasympathetics to the smooth muscle, cardiac muscle, and glands above the

A

Pelvis

35
Q

The parasympathetics from S2 and S4 are distributed to the

A

Colon, pelvis, and external genitalia

36
Q

There are no cranial nerves in the

A

Sympathetic

37
Q

The sympathetic division of the ANS is also called the

A

Thoracolumbar division

38
Q

In the sympathetic division, pre synaptic cell bodies are located within

A

The gray matter, lateral horns, of spinal cord between T1-L2

39
Q

In the sympathetic division, Most of the cell bodies of the post synaptic neurons are in the

A

Sympathetic chain/trunk

40
Q

The sympathetic chain includes a string of

A

Ganglia

41
Q

In the sympathetic division, once synapse occurs…

A

Post synaptic axons can travel up the chain into the head and neck, and down chain into pelvis

42
Q

The sympathetic division function

A

Exercise, physical activity; bronchioles dilate, digestion/salivation/lacrimation decreases, heart rate increases, and sweating increases

43
Q

Parasympathetic component of the oculomotor nerve…

A

Causes Pupils to constrict and thickening of lens

44
Q

The sympathetic function of oculomotor nerve

A

Pupils dilate and lens becomes thinner

45
Q

Cranial nerves also deceiver parasympathetics to the

A

Lacrimal gland and salivary glands

46
Q

Parasympathetic function of facial nerve

A

Lacrimation, mucus production, and salivation

47
Q

Parasympathetic function of glossopharyngeal nerve

A

Salivation

48
Q

Parasympathetic function of the vagus nerve

A

Bronchial construction, increase heart rate and action of digestive system (thorax and abdomen)

49
Q

Spinal nerves go to the

A

Body wall

50
Q

The body wall includes the

A

Thoracic wall, abdominal wall, and extremities

51
Q

Extremities are outgrowths of the

A

Body wall

52
Q

In the sympathetic division, the sympathetic chain extends into the

A

Down intoPelvis and up into neck

53
Q

Connecting branches connect the

A

Spinal nerve and sympathetic trunk

54
Q

In the post synaptic neuron of the sympathetic chain….it can

A

Rejoin spinal nerves that go to the body wall to sweat glands

55
Q

Sympathetics that go to internal organs use

A

Splanchnic nerves

56
Q

Splanchnic nerves branch from the

A

Sympathetic trunk and enter the body cavities

57
Q

The fight of flight response is how the

A

Sympathetic division of the ANS responds to an emergency situation

58
Q

Fight or flight response occurs in what levels

A

T1- L2

59
Q

The pre synaptic sympathetic neurons of fight or flight don’t…

A

Meet up with postsynaptic neurons, they meet up with adrenal glands, produce adrenaline, and it circulates in the bloodstream

Anatomy (25 decks)

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