KROK 1 2014 – Question 141 · KROK (Medicine) · Microbiology, Virology, and Immunology
Hepatitis B is diagnosed through laboratory tests that determine the presence of HBV-DNA in blood serum of the patient. What reference method is applied for this purpose?
- A. ELISA diagnostic method
- B. Hybridization method
- C. Polymerase chain reaction
- D. Ligase chain reaction method
- E. Hybridization signal amplification method
Hint
Think about how the viral nucleic acid itself, present in tiny amounts in serum, is best detected and quantified, as opposed to the host's response to the virus.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Microbiology, Virology, and Immunology
- An outbreak of an intestinal infection occurred in a kindergarten on the eve of New Year holidays. Bacteriological examination of patients’ faeces…
- A smear of streptobacillus preparation stained by Ozheshko method has been studied microscopically with oil immersion. What structural feature of…
- At a bacteriological laboratory animal skins are analyzed by means of Ascoli precipitation test. What is detected if the reaction is positive?
- A patient has been diagnosed with ARVI. Blood serum contains immunoglobulin M. What is the stage of infection in this case?
- A 30-year-old patient has undergone keratoplasty in the transplantation center, cornea has been taken from a donor, who died in a road accident…
- Administration of doxycycline hydrochloride caused an imbalance of the symbiotic intestinal microflora. Specify the kind of imbalance caused by the…