MEDizzy - A nurse is performing cardiac compression on an adult

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Circulatory System

A nurse is performing cardiac compression on an adult client. How far must the nurse depress the lower sternum to maintain circulation until a defibrillator is available?

ExplanationD. The sternum must be depressed at least 2 inches to compress the heart adequately between the sternum and vertebrae and to simulate cardiac pumping action. A, B, C. This distance is ineffectual for an adult.