Correct Answer: C

Rationale: Allowing the child to play with a stethoscope can help distract them, making it easier to auscultate breath sounds. This approach can create a more cooperative and engaging environment for the child, facilitating a more accurate assessment of their breath sounds.

Correct Answer: A

Rationale: Fussiness and low-grade fever are common side effects of immunizations in infants and usually resolve on their own. It is important for the nurse to educate the mother about these expected reactions to help ease her concerns. Immediate evaluation or giving aspirin to an infant for fever is not necessary or safe, as aspirin can be harmful to infants.

Correct Answer: B

Rationale: Measles is an airborne infection, so placing the child in airborne isolation is crucial to prevent the spread of the virus to others. Airborne isolation precautions help contain infectious respiratory droplets and reduce the risk of transmission to healthcare workers, other patients, and visitors.

Correct Answer: B

Rationale: Toddlers with chronic illnesses requiring frequent hospitalization may experience interference with the development of autonomy. This is because the need for constant medical care can restrict their independence and ability to explore and make choices, which are essential aspects of achieving autonomy according to Erikson's stages of psychosocial development.

Correct Answer: A

Rationale: Completing the full course of antibiotics is crucial in the management of acute rheumatic fever as it helps prevent recurrence and complications. Antibiotics are essential in eradicating the underlying infection that triggers the autoimmune response leading to rheumatic fever. Reinforcing the importance of completing the prescribed antibiotic regimen is vital to ensure the child's recovery and prevent further health issues.