Correct Answer: C

Rationale: The priority action for a 2-year-old child with croup and stridor is to administer nebulized epinephrine. This intervention helps reduce airway swelling, alleviate symptoms, and improve breathing by causing vasoconstriction and reducing upper airway edema.

Correct Answer: B

Rationale: Administering the scheduled dose is appropriate in this scenario as the heart rate of 128 bpm falls within the acceptable range for a two-year-old child with heart failure. It indicates that the child may benefit from the therapeutic effects of digoxin. Monitoring the heart rate closely after administration is essential to ensure the medication's effectiveness and safety.

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: D

Rationale: When a baby looks for a hidden object, it demonstrates the development of object permanence. This milestone is significant as it signifies the baby's understanding that objects continue to exist even when they are not visible. It is a crucial aspect of cognitive development in infancy.

Correct Answer: B

Rationale: The statement 'My friends will think I am a freak if I take these pills' indicates concerns about peer perception, which can lead to non-compliance in adolescents. Peer pressure and fear of social stigma can significantly impact medication adherence in this age group, making option B the most concerning response regarding the client's compliance with life-long medication management.