Draw an action potential recorded in a sinoatrial (SA) node cell for aperson at rest (HR = 75 bpm).2. Label the units and values for both axes.3. Label changes in ion permeability:- Where are P K, P Na and P Ca increasing and decreasing?- Indicate where channels open and close.4. Atropine is a muscarinic receptor blocker. What effect wouldatropine have on the shape of the SA node action potential? Drawa normal AP and then a second AP showing the effect of atropine.5. Beta blockers are widely used medicinal drugs that work byblocking beta 1 receptors on the heart. What effect would a betablocker have on the shape of the SA node action potential? Draw athird line showing the effect of a beta blocker.
Draw an action potential recorded in a sinoatrial (SA) node cell for aperson at rest (HR = 75 bpm).2. Label the units and values for both axes.3. Label changes in ion permeability:- Where are P K, P Na and P Ca increasing and decreasing?- Indicate where channels open and close.4. Atropine is a muscarinic receptor blocker. What effect wouldatropine have on the shape of the SA node action potential? Drawa normal AP and then a second AP showing the effect of atropine.5. Beta blockers are widely used medicinal drugs that work byblocking beta 1 receptors on the heart. What effect would a betablocker have on the shape of the SA node action potential? Draw athird line showing the effect of a beta blocker.
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter39: Information Flow And The Neuron
Section: Chapter Questions
Problem 5TYK: The major role of the Na+/K+ pump is to: a. cause a rapid firing of the action potential so the...
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Draw an action potential recorded in a sinoatrial (SA) node cell for a
person at rest (HR = 75 bpm).
2. Label the units and values for both axes.
3. Label changes in ion permeability:
- Where are P K, P Na and P Ca increasing and decreasing?
- Indicate where channels open and close.
4. Atropine is a muscarinic receptor blocker. What effect would
atropine have on the shape of the SA node action potential? Draw
a normal AP and then a second AP showing the effect of atropine.
5. Beta blockers are widely used medicinal drugs that work by
blocking beta 1 receptors on the heart. What effect would a beta
blocker have on the shape of the SA node action potential? Draw a
third line showing the effect of a beta blocker.
person at rest (HR = 75 bpm).
2. Label the units and values for both axes.
3. Label changes in ion permeability:
- Where are P K, P Na and P Ca increasing and decreasing?
- Indicate where channels open and close.
4. Atropine is a muscarinic receptor blocker. What effect would
atropine have on the shape of the SA node action potential? Draw
a normal AP and then a second AP showing the effect of atropine.
5. Beta blockers are widely used medicinal drugs that work by
blocking beta 1 receptors on the heart. What effect would a beta
blocker have on the shape of the SA node action potential? Draw a
third line showing the effect of a beta blocker.
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