The Initial Depolarization That Occurs in Pacemaker Cells Is Caused

question 113

Multiple Choice

The initial depolarization that occurs in pacemaker cells is caused by closing of channels and opening of

• A) sodium : funny channels.
• B) sodium : T -type calcium
• C) potassium : funny
• D) sodium : L -type calcium
• E) potassium : T -type calcium

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