Platelet disorders 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 42-year-old female comes to the clinic complaining of gingival bleeding and dark purple spots on her legs. The patient first noticed the dark spots on her legs 2 months ago, but the gingival bleeding started 5 days ago. Past history is notable for intravenous drug use and hepatitis C infection. Temperature is 37.0°C (98.6°F), pulse is 78/min, respirations are 12/min, and blood pressure is 128/76 mmHg. Examination of the patient’s oropharynx and gingiva reveals petechiae with pinpoint bleeding. Cardiac, pulmonary, and abdominal exams are noncontributory. Purpura are observed on the bilateral legs. Laboratory testing is obtained, and the results are shown below.  
 
Laboratory value   Result 
 Platelet count  25,000/mm3  
 Hemoglobin (Hb)  13.5 g/dL 
 Leukocyte count  11,000/mm3 
Which of the following serological findings would most likely be present in this patient?

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