Correct Answer: A

Rationale: The symptoms of nausea, vomiting, and confusion are concerning as they are indicative of Reye's syndrome, a rare but serious condition associated with aspirin use in children during viral illnesses. Reye's syndrome can lead to severe complications, including brain and liver damage, hence prompt recognition and management are crucial.

Correct Answer: B

Rationale: Encouraging the child to perform independent self-care is essential when managing juvenile idiopathic arthritis. This instruction helps minimize pain and stiffness in the child's joints while promoting mobility and independence. It is crucial for the child to learn self-management skills early to cope better with the condition in the long term.

Correct Answer: D

Rationale: Palpating the abdomen of a child with Wilms' tumor should be avoided to prevent the risk of rupturing the tumor and spreading cancer cells. This action is crucial to maintain the child's safety and prevent potential complications before surgery.

Correct Answer: B

Rationale: Administering the vaccine intramuscularly to a child with hemophilia is preferred to reduce the risk of bleeding. Hemophiliac individuals have a decreased ability to form blood clots, and administering vaccines intramuscularly reduces the risk of bleeding compared to subcutaneous administration. Using an appropriate needle length and applying pressure to the site post-injection are important steps, but choosing the intramuscular route is crucial in this case to minimize bleeding complications.

Correct Answer: B

Rationale: The last step in interpersonal reasoning involves gathering feedback. Once you have gone through the process of anticipating, choosing a response or mode sequence, and determining if a mode shift is required, the final step is to gather feedback to assess the effectiveness of your interaction and make any necessary adjustments.