How Does Interfering with the Sodium Channels in the Heart

question 15

Multiple Choice

How does interfering with the sodium channels in the heart help resolve arrhythmias?

• A)It delays conductions and decreases the refractory period.
• B)It increases automaticity and delays conductions.
• C)It slows the rate of contractions of the heart.
• D)It increases depolarization rate.

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