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ZOOT 1100 > Nervous System > Flashcards

Nervous System Flashcards

1
Q

Primary functional cell of the nervous system

A

Neuron

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2
Q

Supporting cells (NS)

A

Neuroglia

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3
Q

An automatic, involuntary response to change

A

Reflex

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4
Q

Something that excites or activates

A

Stimulus

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5
Q

A wave of excitation transmitted through nervous tissue

A

Impulse

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6
Q

Conduct electrical signals away from the cell body

A

Axon

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7
Q

Transmit electrical signals toward the cell body

A

Dendrites

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8
Q

The cell’s life support center

A

Cell body

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9
Q

Passes messages away from the cell body to other neurons, muscles, or glands

A

Axon

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10
Q

Covers the axon of some neurons and helps speed neural impulses

A

Myelin sheath

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11
Q

Covers the axon of some neurons and helps speed neural impulses

A

Myelin sheath

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12
Q

Regulate extracellular brain fluid composition

A

Astrocytes

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13
Q

Promote tight junctions to form blood-brain barrier

A

Astrocytes

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14
Q

Line brain ventricles and spinal cord central canal

A

Ependymal cells

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15
Q

Help form choroid plexuses that secrete cerebrospinal fluid

A

Ependymal cells

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16
Q

Specialized macrophage

A

Microglia

17
Q

Form the myelin sheaths that surrounds axon of neurons in the CNS

A

Oligodendrocytes

18
Q

Wrap around portion of only one axon to form myelin sheath of the neuron in the peripheral nervous system

A

Schwann cells

19
Q

Surround neuron cell bodies in ganglia

A

Satellite cells

20
Q

Layers covering the brain and spinal cord

A

Meninges

21
Q

Space before pia mater

A

Epidural space

22
Q

Arachnoid plus the pia mater

A

Leptomeninx

23
Q

Spinal cord is divided into 5 part

A

Cervical
Thoracic
Lumbar
Sacral
Caudal

24
Q

Letter H, composed mainly of nerve cell bodies

A

Gray matter

25
Q

Largest part of the brain

A

Cerebrum

26
Q

Includes medulla oblongada, pons, mesencephalon, and the diancephalon

A

Brainstem

27
Q

Part of the brain responsible for touch, vision, hearing, speech, reasoning, emotions

A

Cerebrum

28
Q

Part of the brain responsible for muscle movement, maintain posture, and balance

A

Cerebellum

29
Q

3 primary brain vesicles during the early development of the nervous system

A

Forebrain
Midbrain
Hindbrain

30
Q

Combination of arachnoid and Pia mater

A

Leptomeninx

31
Q

Relay center connecting cerebrum and cerebellum to the spinal cord

A

Brainstem

32
Q

Space before arachnoid

A

Subdural space

ZOOT 1100 (16 decks)

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