Multiple answers may apply. +30 +10 0 -10- -30- -50 Threshold -70 -90 0 1 3 Time (msec)- It is safe to say that in this stage (#5) of an action potential, O K+; closing ONa+; closing K+; opening ONa+; opening Membrane potential (mv) channels are
Multiple answers may apply. +30 +10 0 -10- -30- -50 Threshold -70 -90 0 1 3 Time (msec)- It is safe to say that in this stage (#5) of an action potential, O K+; closing ONa+; closing K+; opening ONa+; opening Membrane potential (mv) channels are
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,...
Related questions
Question
![**Action Potential Quiz**
Multiple answers may apply.
**Graph Explanation**
The provided graph shows the changes in membrane potential over time during an action potential. The y-axis represents the membrane potential in millivolts (mV), ranging from -90 mV to +30 mV. The x-axis represents time in milliseconds (msec), spanning from 0 to 4 msec.
Key features of the graph include:
1. The initial resting potential at approximately -70 mV.
2. A sharp increase in membrane potential, peaking at around +30 mV, marked with a green circle labeled as stage (#5).
3. A rapid decline in membrane potential, falling below the resting potential (hyperpolarization) before eventually stabilizing back to the resting level.
4. A dashed horizontal line labeled "Threshold," indicating the membrane potential that must be reached for the action potential to be initiated.
**Question:**
It is safe to say that in this stage (#5) of an action potential, ________ channels are ________.
**Answer Choices:**
1. ☐ K⁺; closing
2. ☐ Na⁺; closing
3. ☐ K⁺; opening
4. ☐ Na⁺; opening](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F83334216-0e3b-4c0e-9d45-1b1603007076%2F9973183c-e1f9-4191-98b6-20cfa3a116f7%2Fdg8zcn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Action Potential Quiz**
Multiple answers may apply.
**Graph Explanation**
The provided graph shows the changes in membrane potential over time during an action potential. The y-axis represents the membrane potential in millivolts (mV), ranging from -90 mV to +30 mV. The x-axis represents time in milliseconds (msec), spanning from 0 to 4 msec.
Key features of the graph include:
1. The initial resting potential at approximately -70 mV.
2. A sharp increase in membrane potential, peaking at around +30 mV, marked with a green circle labeled as stage (#5).
3. A rapid decline in membrane potential, falling below the resting potential (hyperpolarization) before eventually stabilizing back to the resting level.
4. A dashed horizontal line labeled "Threshold," indicating the membrane potential that must be reached for the action potential to be initiated.
**Question:**
It is safe to say that in this stage (#5) of an action potential, ________ channels are ________.
**Answer Choices:**
1. ☐ K⁺; closing
2. ☐ Na⁺; closing
3. ☐ K⁺; opening
4. ☐ Na⁺; opening
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Human Anatomy & Physiology (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780134580999/9780134580999_smallCoverImage.gif)
Human Anatomy & Physiology (11th Edition)
Anatomy and Physiology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON
![Anatomy & Physiology](https://www.bartleby.com/isbn_cover_images/9781259398629/9781259398629_smallCoverImage.gif)
Anatomy & Physiology
Anatomy and Physiology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,
![Human Anatomy](https://www.bartleby.com/isbn_cover_images/9780135168059/9780135168059_smallCoverImage.jpg)
Human Anatomy
Anatomy and Physiology
ISBN:
9780135168059
Author:
Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher:
Pearson Education, Inc.,
![Human Anatomy & Physiology (11th Edition)](https://www.bartleby.com/isbn_cover_images/9780134580999/9780134580999_smallCoverImage.gif)
Human Anatomy & Physiology (11th Edition)
Anatomy and Physiology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON
![Anatomy & Physiology](https://www.bartleby.com/isbn_cover_images/9781259398629/9781259398629_smallCoverImage.gif)
Anatomy & Physiology
Anatomy and Physiology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,
![Human Anatomy](https://www.bartleby.com/isbn_cover_images/9780135168059/9780135168059_smallCoverImage.jpg)
Human Anatomy
Anatomy and Physiology
ISBN:
9780135168059
Author:
Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher:
Pearson Education, Inc.,
![Anatomy & Physiology: An Integrative Approach](https://www.bartleby.com/isbn_cover_images/9780078024283/9780078024283_smallCoverImage.gif)
Anatomy & Physiology: An Integrative Approach
Anatomy and Physiology
ISBN:
9780078024283
Author:
Michael McKinley Dr., Valerie O'Loughlin, Theresa Bidle
Publisher:
McGraw-Hill Education
![Human Anatomy & Physiology (Marieb, Human Anatomy…](https://www.bartleby.com/isbn_cover_images/9780321927040/9780321927040_smallCoverImage.gif)
Human Anatomy & Physiology (Marieb, Human Anatomy…
Anatomy and Physiology
ISBN:
9780321927040
Author:
Elaine N. Marieb, Katja Hoehn
Publisher:
PEARSON