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Pathology Practice MCQs

Browse 15,526 high-yield clinical questions in Pathology. Includes detailed explanations, options, and topic tags.

#3015 Liver & Biliary Tract

A 19-year-old woman is bothered by a tremor at rest, which becomes progressively worse over the next 6 months. She exhibits paranoid ideation with auditory hallucinations and is diagnosed with acute psychosis. On physical examination, she has scleral icterus. A slit-lamp examination shows corneal Kayser-Fleischer rings. Laboratory findings include total serum protein, 5.9 g/dL; albumin, 3.1 g/dL; total bilirubin, 4.9 mg/dL; direct bilirubin, 3.1 mg/dL; AST, 128 U/L; ALT, 157 U/L; and alkaline phosphatase, 56 U/L. Which of the following additional serologic test findings is most likely to be reported in this patient?

#3022 Skin

An 18-year-old man has facial and upper back lesions that have waxed and waned for the past 6 years. On physical examination, there are 0.3- to 0.9-cm comedones, erythematous papules, nodules, and pustules most numerous on the lower face and posterior upper trunk. Other family members have been affected by this condition at a similar age. The lesions worsen during a 5-day cruise to the Adriatic. Which of the following organisms is most likely to play a key role in the pathogenesis of these lesions?

#3039 Liver & Biliary Tract

A 43-year-old man has experienced progressive fatigue, pruritus, and icterus for 4 months. A colectomy was performed 5 years ago for the treatment of ulcerative colitis. On physical examination, he now has generalized jaundice. The abdomen is not distended; on palpation, there is no abdominal pain and there are no masses. Laboratory studies show a serum alkaline phosphatase level of 285 U/L and an elevated titer of anti-neutrophil cytoplasmic antibodies. Cholangiography shows widespread intrahepatic biliary tree obliteration and a beaded appearance in the remaining ducts. Which of the following morphologic features is most likely to be present in his liver?

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