Which of the Following Is True Regarding Contractions of the Heart

question 106

Multiple Choice

Which of the following is true regarding contractions of the heart?

• A) The ventricles contract first, followed by the atria.
• B) The contractions do not occur in any specific or precise sequence each time.
• C) Cardiac muscle tissue contracts under neural stimulation.
• D) The rate of cardiac contractions are established by the conducting fibers.
• E) Cardiac contractions are coordinated by specialized conducting cells that distribute the stimulus to cardiac muscle cells.

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