A nurse is preparing to obtain a blood pressure reading from a school-age child. Which of the following actions should the nurse take?

Rationale:A) The diastolic value is recorded as the disappearance of Korotkoff sounds (K5), not the first sound (K1).B) The cuff pressure should be released at a rate of 2-3 mm Hg/second, not 5 mm Hg/second.C) Positioning the child's arm at the level of the heart ensures an accurate blood pressure measurement.D) The cuff bladder size should be approximately 40% of the child's upper arm circumference, not 20%.