N. System & Tissue Ch. 11 Pt. 1 Flashcards

1
Q

2 Motor Divisions of PNS

A

Somatic & Autonomic

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2
Q

Somatic

A

Voluntary conscious control of skeletal muscles

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3
Q

Autonomic

A

Involuntary ‘autopilot’
Motor-visceral nerve fibers
Regulates smooth, cardiac muscle, glands.
& has two functional subdivisions

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4
Q

Parasymphatic

A

Rest/digest

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5
Q

Sympathetic

A

Fight/flight

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6
Q

Histology of nervous tissue

A

Neurons & neuroglial cells

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7
Q

Neurons

A

Excitable cells that transmit elecrical signals.

Multipolar, bipolar, unipolar.

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8
Q

Sensory neurons:

A

bipolar- eye, brain &

unipolar- skin, cell body

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