What effect would a beta blocker have on the shape

Reference no: EM133276029

1.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 PK, PNa and PCa 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.

Reference no: EM133276029

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