Which of the Following Is True of the Contraction of the Heart

question 11

Multiple Choice

Which of the following is true of the contraction of the heart

• A)The ventricles contract first, followed by the atria.
• B)The contractions do not occur in any specific repeatable sequence each time.
• C)Cardiac contractions are coordinated by specialized conductive cardiac muscle fibers.
• D)The muscle obtains the beat from the pacemaker region exclusively.
• E)None of the answers are correct.

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Promissory Note

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