Exam 23: Serology and Molecular Detection of Viral Infections

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?

Which virus is transmitted primarily by aerosolized respiratory droplets?

The causative agent of infectious mononucleosis is:

A patient with infectious mononucleosis would have what outstanding feature in the hematology evaluation?

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:

Rubeola virus causes:

The primary clinical manifestation of a human T-cell lymphotrophic virus (HTLV)-I infection is:

Human T-cell lymphotropic virus type I preferentially infects:

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

A positive rubella titer in a healthy,nonpregnant 22-year-old female most likely indicates which of the following?

A patient has an antibody profile for Epstein-Barr virus (EBV)performed,with the following results: EB-VCA IgM = pos; EB-VCA IgG = pos; EBV-EBNA = neg; EBV-EA-D = neg.This patient has which of the following?

A patient has the following Epstein-Barr virus (EBV)antibody profile: EB-VCA IgM = neg; EB-VCA IgG = pos; EBV-EA-R IgG = pos; EBV-EBNA IgG = pos.Which of the following is the correct interpretation of these data?

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?

Which types of hepatitis are transmitted primarily through contact with blood or other body fluids?

A physician wants to know if his patient,who currently has a rash and fever,has an active rubeola virus infection.IgG against rubeola virus is detected.IgM against rubeola virus is not detected.What do these results mean?

The most common cause of congenital infections is:

A physician suspects that his patient has infectious mononucleosis.Heterophile antibody tests are negative.Serological testing for Epstein-Barr virus (EBV)was performed,with the following results obtained: EBV VCA IgM = neg; EBV VCA IgG = neg; EBV-EA = neg; EBV-NA = neg.What is this person's status with regard to EBV?

In infectious mononucleosis,which of the following would be detectable earliest in the infection,thereby indicating a current infection?

Serology is performed on a patient with a rash and fever.Results are: rubella IgM = positive; rubella IgG = positive; measles IgM = negative; measles IgG = positive; varicella-zoster IgM = negative; varicella-zoster IgG = negative.What is the interpretation of these results?

A 36-year-old 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.These findings are consistent with: