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Physiology 2130 > Nervous System Overview > Flashcards

Nervous System Overview Flashcards

1
Q

What are the 2 divisions of the nervous system

A

CNS

PNS

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2
Q

What are the 4 views of the brain

A
  1. Dorsal
  2. Ventral
  3. Lateral
  4. Medial
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3
Q

What is gray matter in PNS

A

ganglion cells

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4
Q

What is white matter in PNS

A

Nerves (bundles of axons)

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5
Q

What is gray matter in CNS

A

Collections of neuron cell bodies

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6
Q

What is white matter in CNS

A

Tracts

-Bundles of axons that share a common origin and destination

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7
Q

What is the definition of ispsilateral

A

On the same side

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8
Q

What is the definition of contralateral

A

On the opposite side

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9
Q

Where is the anterior part of your brain

A

The front part

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10
Q

Where is the posterior part of the brain

A

Back part

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11
Q

What is the midline

A

The central brain axis

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12
Q

What is the medial part of the brain

A

Towards the middle or midline

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13
Q

What are the 3 planes of the brain

A
  1. Sagittal
  2. Horizontal
  3. Coronal
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14
Q

What are the major parts of the CNS

A
  1. Cerebrum
  2. Cerebellum
  3. Brain Stem
  4. Spinal cord
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15
Q

What are the 3 major division of the brain

A
  1. Forebrain
  2. Midbrain
  3. Hindbrain
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16
Q

What is a gyrus

A

Brain “Peaks”

17
Q

What is a Sulcus

A

Brain “valleys”

18
Q

How many segments does the spinal cord have

A

31

-each segment has a dorsal and a ventral root

19
Q

What are the 5 regions of the spinal cord

A
  1. Cervical
  2. Thoracic
  3. Lumbar
  4. Sacral
  5. Coccygeal
20
Q

When a spinal cord segment receives sensory input and supplies motor input to a similar region, what is this skin region called

A

Dermatone

21
Q

What is the PNS made up of

A

The somatic System (voluntary system)

The Visceral System (autonomic system; liquids)

22
Q

What are the 2 types of neurons that the spinal cord carries

A

Afferent-carrying info to a place, bringing in sensory info

Efferent-carrying info from a place, taking motor info

23
Q

Why aren’t there dermatones on the face?

A

There are 12 separate segments for the face and the nerves come directly off the brain

24
Q

How many meninges are there?

A
  1. Dura Mater
  2. Arachnoid
  3. Pia Mater
25
Q

What is CSF produced by?

A

choroid plexus (found within the ventricular system in the brain)

26
Q

What are spaces within the brain the contain CSF called?

A

Ventricles

27
Q

How much CSF do your ventricles hold

A

150ml

-can produce 500ml per day

28
Q

What is the function of verticals and associated canals

A

More you CSF within the brain and transport out to subarachnoid space

29
Q

What are the 4 lobes of the brain

A
  1. Frontal
  2. Occipital
  3. Parietal
  4. Temporal

Physiology 2130 (44 decks)

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