<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 24-year-old gravida 2 para 0 presents to her physician at 15 weeks gestation to discuss the results of recent screening tests. She has no complaints and the current pregnancy has been uncomplicated. Her previous pregnancy terminated with spontaneous abortion in the first trimester. Her immunizations are up to date. Her vital signs are as follows: blood pressure 11060 mm Hg, heart rate 78min, respiratory rate 14min, and temperature 36.8C 98.2F. The physical examination is within normal limits. The laboratory screening tests show the following results:HBsAg negativeHBcAg negativeAnti-HBsAg positiveHIV 12 AB negativeVDRL positiveWhat is the proper next step in the management of this patient?? A: PCR for HBV DNA, B: T. pallidum hemagglutination assay, C: Prescription of benzylpenicillin, D: HBV vaccination, E: Full serum panel for HBV,  <response>: This is a medical question asking about the proper next step in managing a pregnant patient with a positive VDRL test. The key finding is that the patient has a positive VDRL test, which indicates possible syphilis infection. The correct next step would be to confirm syphilis infection with a more specific treponemal test like the T. pallidum hemagglutination TPHA assay before treating with antibiotics like benzylpenicillin. The HBV results are negativeimmune, so HBV DNA PCR or vaccination are not indicated. A full HBV panel is also unnecessary given the current results.B: T. pallidum hemagglutination assay 