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Author Question: When a student asks in which region of the neuron do nerve impulses travel the fastest, how should ... (Read 70 times)

kellyjaisingh

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on: Jun 25, 2018
When a student asks in which region of the neuron do nerve impulses travel the fastest, how should the nurse respond? The:
 
  a. large axon.
  b. axon hillock.
  c. cell body.
  d. dendrites.

Question 2

A neurologist is teaching the staff about motor neurons. Which structural classification identifies motor neurons?
 
  a. Unipolar
  b. Pseudounipolar
  c. Bipolar
  d. Multipolar


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Koolkid240

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: A
Large axons transmit impulses at a faster rate than cell bodies. The axon hillock has a low thresh-old level. The dendrites carry impulses toward the cell body, but not as quickly as large axons.

Answer to Question 2

ANS: D
A motor neuron is typically multipolar. Unipolar neurons are found in the retina. Pseudounipolar neurons have one process; the dendritic portion of each of these neurons extends away from the CNS, and the axon portion projects into the CNS. Bipolar neurons are found in the eye.


kellyjaisingh

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Reply 2 on: Jun 25, 2018
Gracias!

tandmlomax84

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Reply 3 on: Yesterday
Wow, this really help

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