Correct Answer: C

Rationale: Labored breathing is a critical sign of worsening respiratory distress in children with RSV. It indicates that the child's condition may be deteriorating, requiring prompt intervention to ensure adequate oxygenation and prevent respiratory failure. Monitoring for labored breathing allows healthcare providers to promptly assess and manage the child's respiratory status, potentially preventing further complications associated with RSV infection.

Correct Answer: A

Rationale: The first step in developing a behavior modification program for an extremely aggressive 10-year-old boy is to identify what activities, foods, and toys the child enjoys. Understanding the child's motivations is crucial in creating an effective behavior modification plan tailored to his interests and preferences, which can help in positively reinforcing desired behaviors.

Correct Answer: D

Rationale: Crying without tears is a sign of severe dehydration, which is a potentially life-threatening complication in infants with projectile vomiting. Dehydration can rapidly progress in infants, leading to serious consequences if not promptly addressed. The combination of projectile vomiting, listlessness, and absence of tears when crying should raise concerns about severe dehydration and the need for urgent intervention to prevent further complications.

Correct Answer: B

Rationale: The correct diet that the practical nurse should reinforce with the parents of a child with nephrotic syndrome is a low-sodium diet. This diet is crucial for managing fluid retention and reducing the risk of edema, which are common concerns in children with nephrotic syndrome.

Correct Answer: A

Rationale: Selecting a board game is the best activity for the healthcare professional to plan for these girls as it is age-appropriate and promotes social interaction. Board games can enhance cognitive skills, encourage teamwork, and provide an enjoyable and interactive experience for the girls.