Exam 22: Serology of Parasitic and Fungal Infections

A patient has the following serologic profile: HBsAg = negative; HBeAg = negative; anti-HBc IgM = negative; anti-HBc IgG = positive; anti-HBs = positive; anti-HBe = positive.These results indicate:

A patient has a hepatitis B profile performed and is positive for hepatitis B surface antibody only.This patient:

A patient has the following hepatitis profile: anti-HAV IgM = not detected; HBsAg = detected; anti-HBc IgM = detected; anti-HBc total = detected; anti-HBs = not detected; anti-HCV = not detected.What is his diagnosis?

A 17-year-old female with suspected mononucleosis tested negative for heterophile antibody using the slide agglutination monotest.Her serum was sent to a reference lab,and the following results were obtained: negative for anti-VCA,positive for EA.What do these results suggest?

A patient has detectable levels of IgG and IgM against the viral capsid antigens of Epstein-Barr virus (EBV).This patient has:

A 36-year-old African American male presents to a free clinic with symptoms of anorexia,malaise,vomiting,abdominal pain,and mild jaundice.The patient is a known IV drug abuser.The physician orders liver function tests and an acute hepatitis serum panel.The laboratory reports the following results: anti-HAV IgM = not detected; HBsAg = not detected; anti-HBc IgM = not detected; anti-HBc total = detected; anti-HBs = detected; anti-HCV = detected.This man has:

A patient has the following EBV antibody profile: EBVCA IgM = neg; EBVCA IgG = pos; EBV-EA IgG = pos; EBV-NA IgG = pos.Which of the following is the correct interpretation of these data?

Which is the first detectable antibody in serum after infection with hepatitis B?

A patient has the following hepatitis profile after presenting with jaundice,nausea,and vomiting: anti-HAV IgM = detected; HBsAg = not detected; anti-HBc IgM = not detected; anti-HBc total = detected; anti-HBs = not detected; anti-HCV = not detected.What is his diagnosis?