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Biological Processes in the Brain > 12.3 Functional Organization of the Nervous System > Flashcards

12.3 Functional Organization of the Nervous System Flashcards

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The Brain flashcards
1
Q

What is sensory function?

A

receiving information; carried out by the peripheral nervous system

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2
Q

What is the integrative function?

A

processing information; carried out by the CNS

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3
Q

What is motor function?

A

acting on the information; carried out by CNS

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4
Q

What are motor neurons?

A

carry information from the nervous system toward organs which can act upon information; innervate effectors

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5
Q

What are sensory neurons?

A

carry information toward the CNS

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6
Q

What are motor neurons also known as?

A

efferent neurons

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7
Q

What are sensory neurons also known as?

A

afferent neurons

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8
Q

What is a reflex?

A

direct motor response to a sensory input which occurs without conscious thought

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9
Q

What is a monosynaptic reflex arc?

A

reflex involving only two neurons and one synapse

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10
Q

What is an inhibitory interneuron?

A

neuron that forms an inhibitory synapse with a motor neuron

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11
Q

What is reciprocal inhibition?

A

concurrent relaxation and contraction

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12
Q

What are the two subdivisions of the PNS?

A

somatic and autonomic

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13
Q

What is the somatic division of the PNS?

A

concerned with conscious sensation and deliberate, voluntary movement of skeletal muscle

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14
Q

What is the autonomic division of the PNS?

A

concerned with digestion, metabolism, circulation, perspiration and other involuntary processes

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15
Q

What are the two subdivisions of the autonomic nervous system?

A

sympathetic and parasympathetic

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16
Q

What is the sympathetic nervous system?

A

fight or flight

17
Q

What is the parasympathetic nervous system?

A

rest and digest

18
Q

How many cranial nerves are there and what are their basic function?

A

12; convey sensory and motor information to and from the brainstem

19
Q

What are spinal nerves and how many are there?

A

31; convey sensory and motor information to and from the spinal cord

20
Q

What is an important cranial nerve for the MCAT?

A

vagus nerve

Biological Processes in the Brain (6 decks)

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