Which of the Following Is Most True of S₁

question 62

Multiple Choice

Which of the following is most true of S₁?

• A)Also known as dupp
• B)Indicative of gallop rhythm
• C)Occurs during the beginning of ventricular systole with the closure of the tricuspid and mitral valves
• D)It is the heart sound caused by the rapid movement of the action potential along the His-Purkinje system.

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