Correct Answer: A

Rationale: Creating a quiet environment is the priority intervention as it helps reduce irritability and stress in children with Kawasaki disease. This intervention can promote a soothing atmosphere for the child, which may help in managing their symptoms effectively. Once the child is in a peaceful setting, further interventions such as addressing nutritional needs or skincare can be addressed.

Correct Answer: C

Rationale: The correct action for the nurse to implement when the chemotherapy infusion is complete is to flush the mediport with saline and heparin solution. This process helps prevent clotting and ensures the patency of the port, which is essential for future medication administrations and blood draws.

Correct Answer: C

Rationale: In a scenario where a 6-month-old infant is unresponsive and not breathing after the airway is open, giving two breaths that make the chest rise is the appropriate action. This helps deliver oxygen to the infant's lungs and can help initiate breathing. Chest compressions are not recommended for infants as the first step in resuscitation. Checking pulses like the femoral or carotid pulse is not the priority when an infant is not breathing, as providing oxygen through breaths is essential.

Correct Answer: B

Rationale: When a child with Graves' disease is prescribed propranolol (Inderal), the nurse should monitor for a decreased heart rate as a therapeutic response. Propranolol is a beta-blocker that acts to slow down the heart rate, which is beneficial in managing the symptoms of Graves' disease, such as tachycardia and other cardiovascular manifestations.

Correct Answer: C

Rationale: A set of cloth and hand puppets is safe and developmentally appropriate for a 3-year-old with a spica cast.