Plasma cell 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 65 year-old man comes to his primary care physician because of lower back pain, recurrent sinus infections, and 4 kg (8.8 lb) unintentional weight loss over the past three months. Past medical history is notable for osteoporosis and atherosclerosis. The patient consumes 4-5 glasses of wine per week and is sexually active with his spouse. His temperature is 36.8°C (98.2°F), blood pressure is 125/76 mmHg, pulse is 65/min, and respiratory rate is 15/min. Cardiac, pulmonary, and abdominal exams are normal. Pain is elicited with palpation of the lumbar spine. As part of the diagnostic work-up, a peripheral blood smear is ordered, and the results are as follows:
 
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 Which of the following findings will provide a definitive diagnosis of the patient’s condition? 

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