[216B] Neuro Part 1 A&P Review Flashcards

1
Q

In the PNS, the afferent division is responsible for ____ info while the efferent division is responsible for ____ info

A

sensory, motor

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2
Q

What 3 receptors send sensory info to the afferent division?

A
  • Special
  • Visceral
  • Somatic
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3
Q

What is the CNS compromised of (2)?

A

Brain + spinal cord

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4
Q

What is the all or none principle?

A

Action potential will fire 100% at -55 mV

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5
Q

What are the 4 major brain regions?

A
  • Cerebrum
  • Cerebellum
  • Diencephalon
  • Brain stem
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6
Q

What 3 regions does the diencephalon consist of?

A
  • Thalamus
  • Hypothalamus
  • Epithalamus
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7
Q

What 3 structures does the brain stem consist of?

A
  • Midbrain
  • Pons
  • Medulla oblongata
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8
Q

What is the difference between broca’s and wernicke’s area?

A

Broca’s: ability to speak (motor)

Wernicke’s: language comprehension (sensory)

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9
Q

What are basal nuclei?

A

Masses of gray matter found deep in each cerebral hemisphere

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10
Q

What are basal nuclei responsible for?

A

Subconsciously control skeletal muscle tone and learned movements

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11
Q

What does the epithalamus secrete?

A

Melatonin

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12
Q

Where is CSF produced?

A

3rd and 4th ventricle

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13
Q

What is the main function of CSF?

A

Support brain (submerged)

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