A 4-year-old patient is brought to the clinic because the child has not recovered from a respiratory infection. The patient is pale and lethargic. Leukemia is suspected. Which lab value, if elevated, would support the diagnosis of leukemia?

Choice A rationale:

Returning to the hospital if the child spits up blood is a correct response as it indicates the recognition of potential postoperative bleeding.

Choice B rationale:

Giving the child cherry gelatin, even though it's the child's favorite, might not be appropriate after a tonsillectomy/adenoidectomy, as certain foods can irritate the healing throat.

Choice C rationale:

Returning to the hospital if the child develops difficulty breathing is a necessary step to address any respiratory distress.

Choice D rationale:

Having the child rinse her mouth frequently with water to prevent a bad breath odor is a suitable suggestion to maintain oral hygiene and comfort after surgery. In all three scenarios, the rationale for the correct answers revolves around patient safety, comfort, and appropriate post-operative care. The incorrect choices in each question either introduce potential complications, misunderstandings, or actions that might compromise the patient's well-being.

Weighing the patient's wet diapers prior to discarding them.

Choice A rationale:

Inserting an indwelling urinary catheter is invasive and not appropriate for a non-toilet-trained 2-year-old unless medically necessary.

Choice B rationale:

Weighing wet diapers is the most accurate way to measure urine output in a young child who isn't toilet trained. This method provides essential information for assessing hydration and kidney function.

Choice C rationale:

Sitting the patient on the bedpan every two hours is suitable for older children but may not be effective or tolerable for a 2-year-old.

Choice D rationale:

Applying a pediatric urine collection device is an option, but it might not be as accurate as weighing wet diapers and may cause discomfort for the child.