Which of the Following Represents the Time from the Beginning

question 47

Multiple Choice

Which of the following represents the time from the beginning of atrial contraction to the beginning of ventricular contraction?

• A) QRS complex
• B) PR interval
• C) P wave
• D) Q wave

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Substance Abuse

The harmful or hazardous use of psychoactive substances, including alcohol and illicit drugs.

Military Dependents

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