Correct Answer: A

Rationale: Nasal flaring and grunting are indicative of respiratory distress, suggesting the infant is having difficulty breathing. This finding requires immediate attention as it signifies a more severe respiratory compromise compared to the other symptoms listed.

Correct Answer: A

Rationale: Administering a bronchodilator will help open the airways and improve breathing.

Correct Answer: C

Rationale: Placing infants on their stomach after feeding increases the risk of sudden infant death syndrome (SIDS). It is important to educate parents to always place infants on their back to sleep to reduce this risk.

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: C

Rationale: In clients with bulimia nervosa, electrolyte imbalances are common due to purging behaviors and can lead to severe complications. Monitoring electrolyte levels is essential to detect and manage any imbalances promptly, as they can be life-threatening.