A nurse is planning to calculate a client's cardiac output. Which of the following data should the nurse obtain to calculate the cardiac output?
Temperature.
Heart rate.
Blood pressure.
Respiratory rate.
The Correct Answer is B
Choice A rationale:
Temperature does not directly affect cardiac output, which is the volume of blood the heart pumps per minute.
Choice B rationale:
Heart rate is needed to calculate cardiac output as it is the number of heart beats per minute.
Choice C rationale:
Blood pressure is not used in the calculation of cardiac output.
Choice D rationale:
Respiratory rate does not directly influence cardiac output.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Acupuncture involves the insertion of very thin needles through your skin at strategic points on your body and is most commonly used to treat pain.
Choice B rationale:
Acupressure is similar to acupuncture, but instead of needles, manual pressure is applied to specific points on the body.
Choice C rationale:
Yoga is a mind and body practice with historical origins in ancient Indian philosophy. It involves physical postures, breathing techniques, and meditation or relaxation.
Choice D rationale:
Biofeedback is a technique you can use to learn to control your body’s functions, such as your heart rate. It involves connecting sensors to your body.
Correct Answer is ["1140"]
Explanation
To calculate the total intake, we need to convert all measurements to mL. 1 oz is approximately 30 mL, 1 cup is approximately 240 mL. So, 4 oz of soda is 120 mL, 12 oz of water is 360 mL, 1 cup of gelatin is 240 mL, and 1/2 cup of broth is 120 mL. Adding these to the 300 mL of IV fluid gives us 1140 mL. However, the toast is not a liquid and cannot be measured in mL, so it is not included in the total intake.
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