A nurse is obtaining the blood pressure of a school-aged childWhich of the following actions should the nurse take?
a. Use a properly sized blood pressure cuff for the child's age and arm circumference.
b. Have the child sit quietly for at least 5 minutes before taking the blood pressure measurement.
c. Position the child's arm at heart level while taking the blood pressure reading.
d. Take at least two blood pressure readings, spaced a few minutes apart, and record the average.