Immunology Serology Questions: The new boyfriend of a woman has assured her that he has never had syphilis. Just to be sure, she asks him to have syphilis testing. His RPR was non-reactive and his FTA-ABS was reactive. 1. Should she believe him? 2. Why or why not?

Discuss the serology result in the table below, including your diagnosis of the result and assess as to whether the person is infected ? What further tests would confirm the diagnosis and what treatments could you recommend to enhance her immune responses against this virus? Hepatitis test Test result HBsAg positive  Anti-HBc Positive  IgM Anti-HBc Borderline Anti-HBs Negat

As a perinatal Nurse, you must discuss the results of Parvovirus B19 antibody testing with your 22-year old patient. The patient is pregnant and has a high Parvovirus IgM titer. What does the high IgM titer indicate? (1 or 2 words) What does it mean if the patient above had high IgG and low IgM titers? (2 or 3 words)