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General Microbiology - 3 Questions
What is the recommended storage condition for both recombinant and plasma-derived hepatitis B vaccines?1) At room temperature2) In a refrigerator3) In a freezer4) At 4C to 8C
oth recombinant and plasma-derived hepatitis B vaccines should be stored at temperatures between 4C and 8C to maintain their efficacy and stability. Proper storage is crucial to ensure the vaccines remain effective when administered.
What is a characteristic feature of Streptococcus viridans?1) Capsulated, oval-shaped cells2) Non-capsulated, round to oval cells in chains3) Positive oxidase reaction4) Negative oxidase reaction
Streptococcus viridans is characterized by non-capsulated, round to oval cells in chains and has a negative oxidase reaction.
What is the primary mechanism of action of the PCR test in diagnosing HIV infection?1) Amplification of viral RNA or DNA2) Detection of specific antibodies to HIV3) Detection of the HIV virus directly4) Measurement of the immune response to the virus
The primary mechanism of action of the PCR test in diagnosing HIV infection is the amplification of viral RNA or DNA, allowing for the detection of the virus.
MCQ