Place the events involved in generating an action potential in the order in which they occur: 1. K moves out of the cell. 2. NA* activation gates open 3. Excess K+ leaves cell causing hyperpolerization 4. NA* enters cell and volage becomes less negative. 5. K channels close. 6. Threshold stimulus arrives. 7. Leakage channels restore resting membrane potential. 8. NA inactivation gates close and K* open. O 6,4,2,8,1,3,5,7 O 6,4,8,2,1,3,5,7 O 6,2,4,8,1,3,5,7 O 6,2,4,8,3,1,5,7
Place the events involved in generating an action potential in the order in which they occur: 1. K moves out of the cell. 2. NA* activation gates open 3. Excess K+ leaves cell causing hyperpolerization 4. NA* enters cell and volage becomes less negative. 5. K channels close. 6. Threshold stimulus arrives. 7. Leakage channels restore resting membrane potential. 8. NA inactivation gates close and K* open. O 6,4,2,8,1,3,5,7 O 6,4,8,2,1,3,5,7 O 6,2,4,8,1,3,5,7 O 6,2,4,8,3,1,5,7
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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Transcribed Image Text:**Title: Sequence of Events in Generating an Action Potential**
Place the events involved in generating an action potential in the order in which they occur:
1. K⁺ moves out of the cell.
2. Na⁺ activation gates open.
3. Excess K⁺ leaves cell causing hyperpolarization.
4. Na⁺ enters cell and voltage becomes less negative.
5. K⁺ channels close.
6. Threshold stimulus arrives.
7. Leakage channels restore resting membrane potential.
8. Na⁺ inactivation gates close and K⁺ open.
**Multiple Choice Options:**
- ○ 6,4,2,8,1,3,5,7
- ○ 6,4,8,2,1,3,5,7
- ○ 6,2,4,8,1,3,5,7
- ○ 6,2,4,8,3,1,5,7
Each option represents a different sequence of the events listed above. Select the correct order to understand how an action potential is generated in a cellular environment.
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