Threshold is the minimum depolarization needed to________ Repolarize the membrane Open voltage-gated Na+ channels Overcome the absolute refractory period Release synaptic vesicles containing neurotransmitters Prevent the polarizing limit
Threshold is the minimum depolarization needed to________ Repolarize the membrane Open voltage-gated Na+ channels Overcome the absolute refractory period Release synaptic vesicles containing neurotransmitters Prevent the polarizing limit
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
- Threshold is the minimum depolarization needed to________
- Repolarize the membrane
- Open voltage-gated Na+ channels
- Overcome the absolute refractory period
- Release synaptic vesicles containing neurotransmitters
- Prevent the polarizing limit
Expert Solution
Step 1
Neurons are the structural and functional unit of the nervous system that have the capability to generate and transmit nerve impulses. The generation and transmission of nerve impulses depends on the activity of specific ion channels.
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