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A&P II > Autonomic Nervous System Week 4 > Flashcards

Autonomic Nervous System Week 4 Flashcards

1
Q

The two branches of the autonomic nervous system:

A

Sympathetic and Parasympatheic

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2
Q

The ANS is also referred to as?

A

Involuntary nervous system or General visceral motor system

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3
Q

Two structural components of the ANS:

A

Visceral afferent neurons and visceral efferent neurons

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4
Q

What is the function of the ANS

A

operates without conscious control

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5
Q

What can the ANS be overridden by?

A

Medulla and the hypothalamus

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6
Q

ANS is dependent on what?

A

Reflex Arc

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7
Q

Three major components of Autonomic pathways:

A
  • Preganglionic Neuron
  • Ganglion
  • Postganglionic neuron
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8
Q

ANS:

  • Cell body in CNS
  • Lightly Myelinated
  • Synapses at ganglion
  • excitatory response
A

Preganglionic Neuron

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9
Q

Where the synapse occur and cell body of post ganglion neuron

A

Ganglion

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10
Q

ANS:

  • Cell body within the PNS in the ganglion
  • Unmyelinated axon
  • synapses at effector organ
A

Postganglionic neuron

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11
Q

Neurotransmitter effects: ACh only

A

Preganglionic Neuron

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12
Q

Neurotransmitter effects: ACh or norepinephrine

A

Postganglionic Neuron

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13
Q
  • Cell body in CNS
  • Single, myelinated axon
  • Synapses on skeletal muscle
A

Somatic NS

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14
Q

Neurotransmitter effects: All ACh and alwayd excitatory

A

Somatic NS

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15
Q

Constrict pupils

A

Parasympathetic -rest

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16
Q

Stimulate saliva

A

Parasympathetic-rest

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17
Q

slow heartbeat

A

Parasympathetic -rest

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18
Q

constrict airways

A

Parasympathetic-rest

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19
Q

stimulate activity of stomach

A

Parasympathetic-rest

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20
Q

inhibit release of glucose; stimulate gallbladder

A

Parasympathetic-rest

21
Q

Stimulate activities of intestines

A

Parasympathetic-rest

22
Q

Contract Bladder

A

Parasympathetic-rest

23
Q

promote erection of genitals

A

Parasympathetic-rest

24
Q

Dilate pupils

A

Sympathetic-flght

25
Q

inhibit salivation

A

sympathetic-fight

26
Q

increase HB

A

sympathetic-fight

27
Q

relax airways

A

sympathetic -fight

28
Q

inhibit activity of stomach

A

sympathetic-fight

29
Q

stimulate release of glucose; inhibit gallbladder

A

sympathetic-fight

30
Q

inhibit activities of intestines

A

sympathetic -fight

31
Q

secrete epinephrine and norepinephrine

A

sympathetic -fight

32
Q

relax bladder

A

sympathetic -fight

33
Q

promote ejaculation and vaginal contraction

A

sympathetic -fight or flight

34
Q

Origin: Thoracolumbar

A

Sympathetic

35
Q

Origin: Craniosacral

A

Parasympathetic

36
Q

Preganglionic =short

Postganglionic =long

A

Sympathetic

37
Q

Preganglionic =long

Postganglionic =short

A

Parasympathetic

38
Q

Location of Ganglia: Near spinal cord

A

Sympathetic

39
Q

Location of Ganglia: Near effector organ

A

Parasympathetic

40
Q

Lateral Gray of SC:

A

T1-L2

41
Q

How many pairs of ganglia in sympathetic division?

A

21-23 pairs

42
Q

Preganglionic axons in the abdomen and thorax =

A

vagus nerve

43
Q

Brainstem nuclei in the parasympathetic division include what cranial nerves

A

III, VII, IX, X

44
Q

Lateral Gray horns of the parasympathetic nervous system include what?

A

S2-S4

45
Q

Parasympathetic: Preganglionic axon in pelvis=

A

pevlic splanchnic nerves

46
Q

CN III, pupillary constriction

A

Ciliary (parasympathetic)

47
Q

CN VII, Lacrimal gland

A

Pterygopalantine

48
Q

CN IX, parotid gland

A

Otic

49
Q

CN VII, submandibular and sublingual glands

A

Submandibular

A&P II (12 decks)

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