Henoch-Schonlein purpura Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 7-year-old girl is brought to the emergency department by her parents for evaluation of a rash and diffuse intermittent abdominal pain. She has not experienced nausea, vomiting, or blood in the stool. The patient had an upper respiratory illness two weeks ago. The patient has no significant past medical history. Temperature is 37.2°C (99°F), blood pressure is 106/62 mmHg, heart rate is 99/min, respiratory rate is 26/min, and oxygen saturation is 99% on room air. Physical examination reveals a palpable purpuric rash on the legs bilaterally. Cardiopulmonary and abdominal examinations are within normal limits. There is swelling and pain with range of motion of the right knee. There is no lower extremity edema. Initial laboratory studies are shown below. Which of the following is the best next step in management?

Laboratory value
Result
Hemoglobin
12 g/dL
Hematocrit
40%
Leukocyte count
10,000 /mm3
Platelet count
400,000/mm3
Creatinine
0.6 mg/dL
PTT
27 s
PT
13 s

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