3 Questions
What effect would a drug that partially inactivates fast sodium channels have on the action potential in a ventricular myocyte?
The action potential would be prolonged
How would a drug that partially inactivates fast sodium channels affect conduction velocity within the ventricle?
Conduction velocity would be slowed
What is the primary function of fast sodium channels in cardiac myocytes?
To initiate the depolarization phase of the action potential
Test your knowledge on the effects of a drug that partially inactivates fast sodium channels on the action potential in a ventricular myocyte and conduction velocity within the ventricle with our Contraction Relaxation Quiz. Sharpen your understanding of cardiac physiology and pharmacology by taking this quiz!
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