Chapter 16 Cranial Nerves Flashcards

1
Q

Bell’s Palsy

A
  • regional paralysis of facial musculature

- sense of taste lost

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2
Q

Somatic Afferent (sensory)

A

skin, skeletal muscle, joint, etc. to the CNS

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3
Q

Somatic Efferent (motor)

A

CNS to the skin, skeletal muscle, etc.

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4
Q

Visceral Afferent (sensory)

A

blood vessels, guts, lungs, etc. to the CNS

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5
Q

Visceral Efferent (motor)

A

CNS to gut, blood vessels, lungs, etc.

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6
Q

Trigeminal Neuralgia

A
  • neuropathic disorder
  • intense facial pain
  • high rate of suicide
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7
Q

sympathetic division

A

fight/flight

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8
Q

Para-sympathetic divison

A

rest/digest

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9
Q

Organ function?

A

balance between sym-/para-sympathetic stimulation

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10
Q

Pre-ganglionic fiber

A

send

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11
Q

Post-ganglionic fiber

A

receive

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12
Q

Sympathetic fibers

A

pre and post are same length

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13
Q

Parasympathetic fibers

A

pre is longer than post fiber

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14
Q

Sympathetic Nervous System

A
  • mental alertness + increased metabolism
  • increased respiratory rate + heart rate
  • activation of sweat glands
  • stops urinary & digestive functions
  • stops bloody supply to urinary & digestive organs
  • active in intercourse
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15
Q

Acetylcholine (ACh)

A

pre-ganglionic neurotransmitter

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16
Q

Norepinephrine

A

post-ganglionic neurotransmitter

17
Q

Acetylcholine characteristics

A
  • short-acting
  • parasympathetic responses are of short duration
  • system easily turned “off”
18
Q

Norepinephrine characteristics

A
  • kinda related in adrenaline

- long-acting

19
Q

Parasympathetic Nervous System

A
  • decreases metabolism
  • decreases respiratory rate & heart rate
  • activates salivary & digestive glands
  • increases blood supply to urinary & digestive organs
  • increase GI activity, urination & defecation
  • sexual arousal
20
Q

Parasympathetic ganglia

A

ganglia are located at or near their targets

21
Q

Which fibers utilize acetylcholine?

A

both pre and post

22
Q

Homeostasis

A

integration of both nervous & endocrine systems

23
Q

Nervous system

A

short-term affects with immediate recovery

24
Q

Endocrine system

A
  • via chemical messengers = hormone via blood supply
  • widespread, systemic affects
  • long term affects with slow recovery
25
Q

Hormone activity

A
  • endocrine glands have abundant capillary beds
  • hormones enter blood stream - circulate through body
  • broken down in liver or by enzymes
  • filtered by kidneys
26
Q

Hormones directly alter cellular function:

A
  • penetrate cell & entering cell nucleus
  • attach to specific DNA segments
  • stimulate new protein/enzyme synthesis
27
Q

Trigeminal ganglion like…

A

dorsal root ganglion

28
Q

Geniculate ganglion

A

muscles of facial expression glands lubricate holes in face