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CCRN Critical Care Nursing

Category - Adult

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A 67 year male enters the emergency room with a blood pressure of 210/105. The nursing assistant asks you, “how is blood pressure in the body calculated”?

peripheral resistance
cardiac output
vasodilatation
both a and b

Explanation

Answer: D - Blood pressure in the body is calculated by peripheral resistance and cardiac output. The formula for blood pressure is cardiac output multiplied by peripheral resistance where the cardiac output is the stroke volume multiplied by the heart rate.

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