A nurse is preparing to insert a peripheral intravenous line on an infant. Which of the following actions should the nurse plan to take?

Choice A reason: Percussion precedes palpation to assess abdominal resonance and organ size without altering bowel motility. Performing it last risks inaccurate findings, as palpation may stimulate peristalsis, changing resonance patterns. This sequence ensures reliable detection of abnormalities like organomegaly or fluid accumulation in the abdomen.
Choice B reason: Auscultation is done before palpation to capture natural bowel sounds. Manipulation during palpation can alter peristalsis, affecting auscultatory findings. Early auscultation ensures accurate detection of hypoactive or hyperactive bowel sounds, critical for diagnosing conditions like ileus or obstruction in abdominal assessments.
Choice C reason: Palpation is the final step, following inspection, auscultation, and percussion, to assess for tenderness or masses. This sequence prevents manipulation from altering earlier findings, ensuring accurate identification of abdominal abnormalities like peritonitis or organ enlargement, critical for a comprehensive physical examination.
Choice D reason: Inspection is the first step, providing a visual baseline of abdominal appearance, such as distension or scars. Performing it last misses initial cues guiding subsequent steps. Early inspection ensures no manipulation affects visual assessment, vital for identifying external signs of underlying abdominal pathology.

Choice A reason: Performing postural drainage immediately after meals risks aspiration and discomfort due to gastric contents shifting during positioning. It should be done 1-2 hours after meals to ensure safety and efficacy in clearing mucus from the lungs, making this timing inappropriate for cystic fibrosis management.
Choice B reason: Performing postural drainage twice daily is recommended for cystic fibrosis to mobilize thick mucus from the lungs, improving airway clearance and reducing infection risk. This frequency balances effectiveness with patient tolerance, aligning with evidence-based guidelines for managing chronic respiratory conditions, making it the correct action.
Choice C reason: Using a percussion vest is an alternative to manual postural drainage but is not specified as the only method. Manual techniques are effective and standard unless a vest is prescribed. This choice assumes equipment availability, which may not apply, making it less universally appropriate than scheduled manual drainage.
Choice D reason: Positioning the child flat during postural drainage is incorrect, as specific angled positions (e.g., head-down) are needed to target lung segments and promote mucus drainage by gravity. Flat positioning reduces effectiveness and may not clear airways adequately, making this an inappropriate technique for cystic fibrosis.