A nurse is talking with a client who has to come to the clinic for HIV testing. The nurse should explain that, after the laboratory has the enzyme- linked immunosorbent assay (ELISA) results, it will use which of the following tests to confirm the diagnosis?
CD4+ T-cell count
Western blot analysis
Quantitative RNA assay
Viral load test
The Correct Answer is B
This is because Western blot analysis detects specific antibodies to HIV antigens and has a high specificity and sensitivity for HIV infection. CD4+ T-cell count measures the number of helper T cells in the blood and indicates the degree of immunosuppression in clients with HIV infection, but it does not confirm the diagnosis. Quantitative RNA assay and viral load test measure the amount of HIV RNA in the blood and indicate the level of viral replication and response to antiretroviral therapy, but they do not confirm the diagnosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Methotrexate is a medication that interferes with cell division and can cause birth defects or miscarriage if taken during pregnancy. The medication can also pass into breast milk and harm the baby. Therefore, the nurse should advisethe client to stop taking methotrexate at least 3 months before trying to conceive and to use effective contraception while on the medication.
Correct Answer is A
Explanation
This is because sunscreen protects the skin from ultraviolet (UV) radiation, which is a major risk factor for skin cancer. UV radiation can damage DNA and cause mutations that lead to abnormal cell growth and division. Sunscreen should be applied every day, regardless of the season or weather, as UV rays can penetrate clouds and reflect off snow and water.
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