Correct Answer: A

Rationale: The correct instruction for the nurse to provide to the parents is to wash the child's bed linens and clothing in hot soapy water. This is essential to eliminate head lice as they can survive on bedding and clothing. It is also important to wash any other items that the child may have used or come into contact with, such as brushes and combs, to prevent reinfestation. Rewashing the child's hair following an isolation period is not necessary, and taking the child to a hair salon for a shampoo and shorter haircut is not a recommended treatment for head lice.

Correct Answer: B

Rationale: In a sickle cell crisis, pain management is a priority to alleviate the child's suffering. Administering the prescribed pain medication is crucial to address the severe pain experienced by the child. Warm compresses, fluid intake, and oxygen saturation monitoring are important interventions but should follow the priority of pain management in this situation.

Correct Answer: D

Rationale: Administering the HPV vaccine helps establish immunity before potential exposure to the virus, reducing the risk of HPV infection and subsequent development of cervical cancer. It is recommended to vaccinate adolescents before they become sexually active for maximum effectiveness.

Correct Answer: C

Rationale: Administering prescribed pain medication at the first sign of pain is crucial in managing sickle cell anemia-related pain effectively. Prompt administration helps prevent the pain from escalating and becoming severe, enhancing the child's comfort and quality of life. Cold compresses, rest, and diet modifications may play supportive roles but are not as directly impactful in addressing acute pain episodes associated with sickle cell anemia.

Correct Answer: C

Rationale: The correct answer is C. Skipping insulin dose when blood sugar is high before exercise can be harmful. It is essential to manage blood glucose levels carefully during physical activity, which may require adjustments to insulin doses but skipping doses is not recommended. It is crucial to maintain blood sugar levels within the target range to prevent complications during exercise.