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165638 Dental

Double blind study means:

AObserver is blind about the study
BPerson or group being observed is blind about the study
CBoth observer and person or group being observed is blind about the study
DInterpreters and analyzer are blind about the study
Dental
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165642 Pathology

A 36-year-old woman presents with a 6-month history of progressive generalized itching, weight loss, fatigue, and yellow sclerae. She denies use of oral contraceptives or any other medication. Physical examination reveals mild jaundice and steatorrhea. Blood studies show a high cholesterol level of 350 mg/dL, elevated serum alkaline phosphatase (240 U/L), and normal levels of AST and ALT. An intravenous cholangiogram shows no evidence of obstruction. An antimitochondrial antibody test is positive; antinuclear antibodies are not present. For the patient, a liver biopsy would most likely show which of the following pathologic findings?

ACentral hyaline sclerosis
BCholangiocarcinoma
CHemosiderosis
DIntrahepatic bile duct damage
Pathology
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