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Spot Test 2 Study Cards > Lesson 1- Nervous System > Flashcards

Lesson 1- Nervous System Flashcards

(18 cards)

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1
Q

How many nerves are in each vertebrae?

A

Cervical= 8
Thoracic= 12
Lumbar=5
Sacral=5
Coccygeal=1

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2
Q

What are the 4 main nerves in the arm?

A
  1. Radial
  2. Muscolocutaneous
  3. Median
  4. Ulnar
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3
Q

What are the 4 main parts of the brain?

A
  1. Cerebrum
  2. Diencephalon
  3. Cerebellum
  4. Brain stem
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4
Q

What are the four main parts of the Brain Stem?

A
  1. mid brain
  2. Pons
  3. Medulla oblangata
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5
Q

What is the main cell in the CSF?

A

Epindymel Cells

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6
Q

What are the names of the ventricles that hold the CSF in the brain?

A
  1. Lateral
  2. 3rd ventricle
  3. 4th ventricle
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7
Q

What is the choroid plexuses?

A

It holds a lot of epidymel cells in the lateral ventricles. It is where majority of the CSF comes from.

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8
Q

What are the fissures of the brain?

A
  1. Longitudinal- the midline
  2. Lateral- runs across the side
  3. Transverse- separates the cerebrum from the cerebellum
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9
Q

What are the names of the surfaces in the brain?

A
  1. cortex- the whole folded surfaces underneath the meninges
  2. Gyrus- The folded parts
  3. Sulcus- The bits in between
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10
Q

What are the 3 layers of the meninges and the functions?

A
  1. Dura mater- Most superior layer. Very thick and is for protection
  2. Arachnoid mater- Looks like spider wed. this holds the CSF
  3. Pia mater- Thinest layer. Separates neurons from CSF
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11
Q

What is grey and white matter?

A

Grey- Bundles of Neuron bodies
White- Bundles of axons and dendrites

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12
Q

What are the support cells in the PNS and name the functions?

A
  1. Schwann cells- Myelinates axons
  2. Satellite cells- Surrounds and supports cell bodies
  3. Ependymal cells- circulates fluid and maintains environment
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13
Q

What are the four support cells in the CNS and name the functions?

A
  1. Astrocytes- Anchors neurons to blood vessels
  2. Oligodendrocytes- Myelinates axons
  3. Microglial- Protective cell
  4. Ependymal- Maintains environment
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14
Q

What is the main cell within the CNS neuron?

A

Parenchymal cell

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15
Q

What are the four major structures in the brain and their functions?

A
  1. Thalamus- Heart shaped structure that sends information to different parts of the brian
  2. Hypothalamus- Sits under the thalamus and regulates body temp and heart rate
  3. Basal Ganglia- for motor movements
  4. Corpos Callosum- Biggest white matter tract. major connections between left and right brain
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16
Q

What are the main nerves in the leg?

Study These Flashcards
A
  1. Sciatic
  2. Common Fibular nerve
  3. Tibial Nerve
17
Q

What are the three types of receptors?

Study These Flashcards
A
  1. Free nerve ending
  2. Mechano-receptor
  3. Proprioceptor

Spot Test 2 Study Cards (3 decks)

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