Which of the Following Criteria Must Be Met for the Heart

question 178

Multiple Choice

Which of the following criteria must be met for the heart to function efficiently?

• A)Excitation and contraction of each heart chamber should be coordinated to ensure efficient pumping.
• B)The atria should be excited and contract before the onset of ventricular contraction to ensure that ventricular filling is complete.
• C)The right side of the heart should contract first to ensure that oxygenated blood is delivered to the heart before the left side contracts.
• D)Both a and b
• E)Both b and c

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