A nurse is providing discharge teaching to the parents of a school-age child following the placement of a ventriculoperitoneal shunt. The nurse should determine that the teaching was effective when the parents identify which of the following as an indicator that the shunt has been displaced?

Choice A reason: Assessing vital signs every 4 hours is important, but it is not specific to the care of an infant post-cardiac catheterization. Vital signs should be monitored according to the infant's condition and hospital policy.

Choice B reason: Monitoring the color of the affected extremity is crucial after cardiac catheterization to ensure there is no compromise in blood flow, which could indicate a vascular injury or thrombosis at the catheterization site.

Choice C reason: Maintaining NPO (nothing by mouth) status for 8 hours may be necessary before the procedure, but post-catheterization care typically includes gradual reintroduction of fluids and then food as tolerated.

Choice D reason: Keeping the affected extremity flexed is not recommended post-cardiac catheterization. The limb should be kept straight to avoid bending at the catheterization site, which could lead to bleeding or clot formation.

Choice A reason: Using a bulb syringe to suction the nares is a common practice for clearing nasal passages in infants, but it is not the primary concern for an infant with a tracheostomy, which requires specific care to maintain airway patency.

Choice B reason: Providing antibiotic therapy may be necessary if there is an infection, but it is not a standard care action for a tracheostomy without evidence of infection.

Choice C reason: Administering intermittent suction via the tracheostomy is essential to clear secretions and maintain airway patency, which is the greatest risk for an infant with a tracheostomy.

Choice D reason: Placing an infant in a prone position to sleep is not recommended due to the increased risk of sudden infant death syndrome (SIDS). Infants should be placed on their backs to sleep.