Practice Question
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?
Answer Choices:
Correct Answer:
Western blot analysis
Rationale:
🟦 The Western blot analysis is used to confirm HIV infection after a positive ELISA screening test.
🟦 ELISA is highly sensitive but can yield false-positive results, making confirmatory testing essential.
🟦 Western blot detects specific antibodies to HIV proteins, increasing diagnostic accuracy.
🟦 A positive Western blot establishes a definitive HIV diagnosis.
🟦 This two-step testing process ensures reliable and valid results for the client.
CD4+ T-cell count
🟦 This test measures immune system function, not HIV confirmation.
🟦 It is used for disease staging and monitoring, not diagnosis.
Quantitative RNA assay
🟦 This test measures the amount of virus in the blood.
🟦 It is used to monitor treatment effectiveness, not confirm initial diagnosis.
Viral load test
🟦 Viral load assesses HIV replication activity after diagnosis.
🟦 It does not confirm the presence of HIV antibodies.
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This question is from ☑️ Custom- 212 Exam 3 Immune System and Periop-BECKFIELD COLLEGE which contains 41 questions.
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☑️ Custom- 212 Exam 3 Immune System and Periop-BECKFIELD COLLEGE
41 Questions
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- Category: RN Nursing Exam(s)
- Subcategory: ATI Exam(s)
- Domain: RN ATI MedSurg
- Answer Choices: 4