The Normal Delay in Conduction Through the Atrioventricular Node Is

question 100

Multiple Choice

The normal delay in conduction through the atrioventricular node is essential for:

• A)preventing an excessively rapid heart rate
• B)limiting the time for a myocardial contraction
• C)allowing the ventricles to contract before the atria
• D)completing ventricular filling

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