A nurse is providing teaching about nutrition to the guardian of a school-age child who has lactose intolerance. The nurse should identify which of the following foods as the best source of calcium?

A. "Perform a sterile dressing change 8 hr after the procedure." The initial dressing should be left in place for at least 24 hours, and any dressing changes should be performed per facility protocol.

B. "Keep the affected extremity straight for 4 hr." After a femoral venous cardiac catheterization, the child should keep the affected extremity straight for about 4 to 6 hours to prevent bleeding or hematoma formation at the insertion site.

C. "Assess the pulses above the catheterization site." The pulses below the site (distal pulses) should be assessed, not above. This is important to check for adequate circulation and potential complications such as clot formation or arterial obstruction.

D. "Maintain NPO status for 24 hr following the procedure." The child should typically resume oral intake as soon as they are fully awake and able to tolerate fluids, usually within a few hours post-procedure.

A. "The obstruction will be treated with a medication called indomethacin." Indomethacin is used to close a patent ductus arteriosus (PDA), not to treat coarctation of the aorta. Instead, prostaglandins may be used temporarily to keep the ductus arteriosus open and improve blood flow until surgery.
B. "Surgical repair is the recommended treatment for infants younger than 6 months old." Coarctation of the aorta does not resolve on its own and requires surgical intervention, typically within the first few months of life. Options include resection with end-to-end anastomosis or balloon angioplasty in some cases.
C. "The cardiologist will monitor your infant closely until they are able to receive treatment with a heart transplant." Heart transplant is not the standard treatment for coarctation of the aorta; surgery or catheter-based intervention is the preferred approach.
D. "Most cases resolve spontaneously without treatment by 12 months of age." Coarctation of the aorta does not resolve on its own. If left untreated, it can lead to heart failure, hypertension, and other complications.