Correct Answer: D

Rationale: During a vaso-occlusive crisis in sickle cell anemia, maintaining bed rest is crucial to reduce oxygen consumption and alleviate pain. Movement can worsen the crisis by increasing sickling of red blood cells, leading to further tissue damage and pain. Bed rest helps to improve blood flow, reduce pain, and promote healing.

Correct Answer: B

Rationale: Turning and repositioning the infant every 4 hours is essential to prevent pressure sores and ensure uniform exposure to phototherapy. This practice helps prevent skin breakdown and ensures the effectiveness of the phototherapy in treating hyperbilirubinemia.

Correct Answer: A

Rationale: Immediate initiation of oral feedings is contraindicated post-abdominal surgery due to the risk of bowel complications such as paralytic ileus or anastomotic leak. Starting oral feedings immediately can increase the risk of these complications and hinder the healing process. It is crucial to wait until bowel function returns and the patient shows signs of tolerance before introducing oral feedings. Assessment of the surgical site, administration of opioid narcotics for pain management, and visitation at the bedside are essential components of postoperative care and should not be excluded.

Correct Answer: B

Rationale: Palpating the abdomen should be omitted when caring for a 2-year-old child diagnosed with Wilms' tumor because it could disturb the tumor and potentially cause the malignancy to spread. The other assessment techniques are safe to perform and provide valuable information about the child's condition.

Correct Answer: B

Rationale: Ayres' sensory integration focuses on activities that target responses to movement, balance, weight bearing, and tactile stimuli to improve sensory processing and integration. This approach aims to address sensory challenges through structured activities to enhance overall function and participation.