A nurse is reviewing the diagnostic tests used for HIV infection with a client. The nurse explains that nucleic acid tests (NAT) have the shortest window period after exposure, detecting HIV infection as early as:.
3-12 weeks.
2-6 weeks.
10-33 days.
6 months.
The Correct Answer is B
Choice A rationale:
Nucleic acid tests (NAT) are highly sensitive tests that can detect HIV infection early, but the window period stated (3-12 weeks) is not accurate. NAT can detect HIV RNA as early as 9-11 days after exposure, but it may take up to 2-6 weeks for it to be reliably detected.
Choice B rationale:
This is the correct answer. Nucleic acid tests (NAT) can detect HIV infection as early as 2-6 weeks after exposure, making it the option with the shortest window period.
Choice C rationale:
This option is incorrect. NAT can detect HIV infection earlier than the time range stated (10-33 days)
Choice D rationale:
This option is incorrect. NAT can detect HIV infection much earlier than 6 months after exposure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
The client's statement about Integrase strand transfer inhibitors (INSTIs) is accurate. INSTIs block the enzyme integrase, preventing the insertion of HIV DNA into the host cell genome.
Choice B rationale:
This is the correct answer. The client's statement about Non-nucleoside reverse transcriptase inhibitors (NNRTIs) is incorrect. NNRTIs work by directly binding to reverse transcriptase, blocking its activity, and preventing HIV replication.
Choice C rationale:
The client's statement about Protease inhibitors (PIs) is accurate. PIs block the enzyme protease, inhibiting the cleavage of HIV proteins and preventing the formation of mature viral particles.
Choice D rationale:
The client's statement about Nucleoside reverse transcriptase inhibitors (NRTIs) is accurate. NRTIs are incorporated into the growing viral DNA chain, leading to chain termination and preventing further viral replication.
Correct Answer is ["A","B","D","E"]
Explanation
Choice A rationale:
ART aims to reduce viral load to undetectable levels. When the viral load is undetectable, the risk of disease progression and transmission to others is significantly reduced.
Choice B rationale:
The primary goal of ART is to prevent opportunistic infections and cancers. By suppressing viral replication and boosting the immune system (measured by CD4 count improvement), ART helps prevent these severe complications of HIV infection.
Choice D rationale:
Improvement in CD4 count is a significant goal of ART. CD4 count reflects the health of the immune system, and increasing it is essential for better immune function and reducing the risk of opportunistic infections.
Choice E rationale:
ART can reduce the risk of transmission to others. When viral load is undetectable, the risk of transmitting HIV to sexual partners or through shared needles is greatly reduced.
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