19. Which of these measurements of membrane potential (mV) best represents the peak action potential of a neuron conducting a nerve signal? 0 -30 -50 +30 a. b. C. d. 20. Which of these prevents a neuron from continually firing (action potential after an action potential)? refractory period nodes of Ranvier Glial cells ion channels a. b. C. d.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Pls help ASAP. Pls help on both questions I humbly request. 

19. Which of these measurements of membrane potential (mV) best represents the peak action potential of a
neuron conducting a nerve signal?
0
-30
-50
+30
a.
b.
C.
d.
20. Which of these prevents a neuron from continually firing (action potential after an action potential)?
refractory period
nodes of Ranvier
Glial cells
ion channels
a.
b.
C.
d.
Transcribed Image Text:19. Which of these measurements of membrane potential (mV) best represents the peak action potential of a neuron conducting a nerve signal? 0 -30 -50 +30 a. b. C. d. 20. Which of these prevents a neuron from continually firing (action potential after an action potential)? refractory period nodes of Ranvier Glial cells ion channels a. b. C. d.
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