RN Nursing Care of Children Online Practice 2019 A

Correct Answer: A

Rationale: A bone marrow aspirate is the definitive test to confirm acute lymphoblastic leukemia (ALL) in this case. It allows for the examination of leukemic cells in the bone marrow, providing a direct assessment of the disease. Red blood cell count (Choice B) is not specific for diagnosing leukemia but may show anemia commonly seen in leukemia patients. Lumbar puncture (Choice C) is used to assess central nervous system involvement, not primarily for confirming ALL. Bone scan (Choice D) is not a standard diagnostic test for ALL and is mainly used for evaluating bone metastases in other conditions.

Correct Answer: B

Rationale: Introducing new foods gradually and offering a variety of options is a suitable nutritional goal for preschool-aged children as it helps in providing essential nutrients and expanding their palate. Choice A is incorrect as reducing messiness and spills is more related to behavior than nutrition. Choice C is incorrect as forcing a child to finish all the food on the plate may override their natural hunger and fullness cues. Choice D is incorrect as allowing a child to eat only preferred foods may lead to an imbalanced diet lacking in essential nutrients.

Correct Answer: D

Rationale: These behaviors are consistent with FTT and indicate social withdrawal, which is often observed in infants who are not thriving. A wide-eyed gaze and avoidance of eye contact can also indicate developmental delays or emotional disturbances.

Correct Answer: D

Rationale: The correct answer is D: Hypertension. Nephroblastoma, also known as Wilms' tumor, often causes hypertension due to its impact on the kidney, which plays a role in regulating blood pressure. Atrial fibrillation (choice A) and endocarditis (choice B) are not typically associated with nephroblastoma. Hyperlipidemia (choice C) is also not a common clinical manifestation of nephroblastoma.

Correct Answer: D

Rationale: High fever, especially in very young infants, or the presence of a stiff neck can indicate a serious infection requiring immediate attention. A fever lasting more than 3 days also warrants medical evaluation.