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128695 Pathology

A 40-year-old man complains of having yellow skin and sclerae, abdominal tenderness, and dark urine. Physical examination reveals jaundice and mild hepatomegaly Laboratory studies demonstrate elevated serum bilirubin (3.1 mg/dL), decreased serum albumin (2.5 g/dL), and prolonged prothrombin time (17 seconds). Serologic tests reveal antibodies to hepatitis B core antigen (IgG anti-HBcAg). The serum is also positive for HBsAg and HBeAg. What glycoprotein on virally infected hepatocytes provides a target for cell-mediated cytotoxicity in the patient?

ACD4
BCD8
CClass I HLA molecules
DClass II HLA molecules
Pathology
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128698 Medicine

Ramkumar a 70 year old hypertensive male was admitted in the intensive care unit with transmural anterolateral myocardial infraction. His condition was stable till fifth day of admission, when he developed a pericardial friction rub and pleuritic chest pain which persisted despite narcotic and steroid therapy. On the seventh morning, he suddenly developed marked hypotension. On examination there was marked distension of the jugular veins, accompanied with electromechanical dissociation, Most likely, the patient had developed :

ASevere acute mitral regurgitation.
BVentricular septal rupture.
CRight ventricular infarction.
DExternal cardiac rupture.
Medicine
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