chapter 4: CNS Flashcards

1
Q

what are the 4 lobes of the cerebrum?

A
  1. frontal lobe
  2. parietal lobe
  3. temporal lobe
  4. occipital lobe
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2
Q

what are the functions of the frontal lobe?

A

voluntary movement, behavior, learning

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3
Q

what are the functions of the parietal lobe?

A

integrates sensory information

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4
Q

what are the functions of the temporal lobe?

A

speech, memory (hippocampus)

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5
Q

what are the functions of the occipital lobe?

A

vision/integrates visual information

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6
Q

what is the cerebral cortex?

A

the outermost layer of the cerebrum; contains gray matter

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7
Q

what is the corpus callosum?

A

white matter that connects the cerebrum

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8
Q

what are sulci and gyri?

A

sulci: divets in brain

gyri: bumps/grooves in brain

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9
Q

what is the function of the cerebellum?

A

coordinate muscle movement and balance

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10
Q

what portions make up the brainstem?

A
  1. pons
  2. midbrain
  3. medulla oblongata
  4. reticular activating system
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11
Q

what are the functions of the brainstem?

A

control sleep, respiration, swallowing, posture, and thermoregulation

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12
Q

what portions make up the diencephalon?

A

thalamus, hypothalamus, pineal body/gland

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13
Q

what are the functions of the diencephalon?

A

receive sensory info from body and distributes info to other parts of the brain

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14
Q

what is CN II?

A

optic nerve

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15
Q

what is CN X?

A

vagus nerve (parasympathetic nervous system)

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16
Q

what is CN VIII?

A

vestibulocochlear nerve (hearing)

17
Q

where are gray and white matter located in the brain?

A

gray matter: outside (cell bodies)

white matter: inside (nerve fibers/axon)

18
Q

where are gray and white matter located in the spinal cord?

A

gray matter: inside

white matter: outside

19
Q

what is the spinal cord made of?

A

ascending/sensory and descending/motor pathways

20
Q

what are the functions of dorsal horns within the spinal cord?

A

collect sensory information from peripheral nerve; travel to brain for integration

21
Q

what are the functions of ventral horns within the spinal cord?

A

transmit motor impulses to tissue for response