Correct Answer: B

Rationale: The correct answer is B. Osteomyelitis of the tibia typically requires antibiotic therapy for at least 4 weeks. Surgery may be necessary if the infection does not respond to antibiotics. Weight-bearing should be avoided with osteomyelitis to prevent complications. Choices A, C, and D are incorrect because a cast until healing, returning to sports immediately, and contact isolation are not primary management strategies for osteomyelitis.

Correct Answer: D

Rationale: In managing minimal change nephrotic syndrome (MCNS) in children with pitting edema, corticosteroids are the mainstay of treatment. Corticosteroids help reduce inflammation and decrease proteinuria, addressing the underlying cause of MCNS. Therefore, the nurse should prioritize administering the prescribed corticosteroids to the toddler as part of the plan of care.

Correct Answer: B

Rationale: The priority finding to report for a child with acute lymphocytic leukemia is petechiae. Petechiae indicate a low platelet count, which increases the risk of bleeding. Therefore, the healthcare provider should promptly report petechiae to initiate appropriate interventions to prevent bleeding complications.

Correct Answer: A

Rationale: In nephrotic syndrome, there is excessive loss of protein in the urine, leading to hypoalbuminemia. This results in decreased oncotic pressure, causing fluid to shift into the interstitial spaces, leading to edema. Hyperkalemia, polyuria, and hyperglycemia are not typically associated with nephrotic syndrome.

Correct Answer: B

Rationale: The correct answer is B: New onset disorientation to time and place. Cimetidine can cause adverse effects on the CNS system, especially in elderly patients with renal or hepatic impairment. This may manifest as confusion, hallucinations, lethargy, restlessness, or seizures. Pain with urination (choice A) is not typically associated with cimetidine use, and HR changes (choice C) are more likely related to other factors. Choice D is not a valid option.