Nervous system Flashcards

1
Q

neur/neuro

A

nerve

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2
Q

algia

A

painful condition

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3
Q

dys

A

painful/difficult/bad

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4
Q

glycol

A

sugar

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5
Q

cell body

A

contains the nucleus

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6
Q

dendrites

A

“little trees” receiving part of neuron

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7
Q

axon

A

conducts nerve impulses toward other neurons, a muscle cell or a gland

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8
Q

What are nerves?

A

are bundles of individual neurons

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9
Q

spinal cord has…

A

31 pairs of spinal nerves

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10
Q

how many cervical nerves?

A

8

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11
Q

how many thoracic nerves?

A

12

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12
Q

how many lumbar nerves?

A

5

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13
Q

how many sacral nerves?

A

5

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14
Q

how many coccygeal nerves?

A

1 pair

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15
Q

signals going to the spinal cord or brain are?

A

afferent

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16
Q

signals carried away from the CNS are?

A

efferent

17
Q

peripheral nervous system is divided into which sections?

A

somatic and autonomic nervous systems

18
Q

somatic is?

A

relating to or affecting the body as distinguished from the mind (voluntary)

19
Q

autonomic is?

A

(ANS) innervates with smooth muscle, cardiac muscles, and glands. Involuntary.

20
Q

autonomic is sub divided into..?

A

sympathetic (fight or flight) and parasympathetic (rest and digest)