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EBME 202- Lecture 4 exam with complete solutions.
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What type of glial cells are located in the CNS? astrocytes and oligodendrocytes What type of glial cells are located in the PNS? Schwann cells Previous Pause Next Rewind 10 seconds Move forward 10 seconds Unmute 0:02 / 0:15 Full screen Brainpower Read More What is the...

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  • September 4, 2024
  • 4
  • 2024/2025
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  • ebme 202 lecture 4 exam with complete solutions

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EBME 202- Lecture 4 exam with complete
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What type of glial cells are located in the CNS? - ANSWER- astrocytes and
oligodendrocytes

What type of glial cells are located in the PNS? - ANSWER- Schwann cells

What is the diameter of cell bodies? - ANSWER- 10-50 μm

What is the diameter of axons? - ANSWER- 1-20 μm

What is the velocity of information travel down a neuron? - ANSWER- 6 m/s/μm
(ex: 10 μm fiber = 60 m/s)

Neurons are _______-polar - ANSWER- multi

What is the flow of sensory input? - ANSWER- end organ --> peripheral nerves -->
spinal roots --> spinal cord --> brain

What is the flow of motor output? - ANSWER- brain --> spinal cord --> spinal roots
--> peripheral nerves --> end organ

why do we talk about nerve fibers instead of muscle fibers? - ANSWER- muscle
function is controlled by stimulation from the nerves; more energy is required to
activate muscle fibers than nerves

what type of cells are glial cells? - ANSWER- support cells

the ________ the fiber, the faster that actions can travel down - ANSWER- larger

what neurotransmitter is primarily used in the neuromuscular junction? -
ANSWER- acetylcholine

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