Diabetes mellitus 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 54-year-old woman comes to the clinic for an annual wellness examination. Since the last visit, she reports that she has been bothered by bilateral achy knee pains with walking which have left her sedentary and reliant on canned and premade foods for nutrition. She reports a 9.1 kg (20 lbs) weight gain over the past year, and she feels thirsty all the time. Medical history is significant for osteoarthritis, obesity, and essential hypertension. Medications include amlodipine and naproxen sodium. The patient’s father recently suffered a heart attack. The patient’s temperature is 37.0°C (98.6°F), pulse is 85/min, respirations are 18/min, and blood pressure is 140/85 mmHg. BMI is 40 kg/m2. Physical examination shows dry mucous membranes and decreased skin turgor. Fasting laboratory studies reveal the following:  
 
Laboratory value  Result 
 Sodium   134 mEq/L 
 Potassium   4.2 mEq/L 
 Chloride   95 mEq/L 
 Bicarbonate   24 mEq/L 
 Blood urea nitrogen  24 mg/dL 
 Creatinine  0.8 mg/dL 
 Glucose  128 mg/dL 
Which of the following conditions does this patient most likely have?

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