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Author Question: Ions enter and leave the membrane of a myelinated axon at the A) terminal buttons. B) axon ... (Read 85 times)

fagboi

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on: Jun 22, 2018
Ions enter and leave the membrane of a myelinated axon at the
 
  A) terminal buttons.
  B) axon hillock.
  C) nodes of Ranvier.
  D) segment of membrane under the Schwann cell wrapping.
  E) release zone.

Question 2

Sensory stimuli that vary in intensity are coded by variations in the ________ of a neuron.
 
  A) firing rate
  B) resting membrane potential
  C) speed of conduction of action potentials
  D) total amplitude of the action potential
  E) repolarization rate


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daiying98

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: C
Rationale: Ions enter and leave the membrane of a myelinated axon at the nodes of Ranvier.

Answer to Question 2

Answer: A
Rationale: Sensory stimuli that vary in intensity are coded by variations in the firing rate of a neuron.


fagboi

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Reply 2 on: Jun 22, 2018
Thanks for the timely response, appreciate it

Zebsrer

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Reply 3 on: Yesterday
Excellent

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