WBR0564
| Author | [[PageAuthor::Rim Halaby, M.D. [1]]] |
|---|---|
| Exam Type | ExamType::USMLE Step 1 |
| Main Category | MainCategory::Microbiology |
| Sub Category | SubCategory::Infectious Disease |
| Prompt | [[Prompt::A 37 year old woman diagnosed with HIV three months ago was started on HAART therapy consisting of ritonavir, emtricitabine, and tenofovir. Two months later, the patient comes for follow-up having stopped two of her medications complaining that they have been causing her to have severe nausea. The patient continued taking ritonavir alone because she was tolerating it well. You order follow-up lab values that show an absolute increase in viral load and a drop in her CD4 count from 423 cells/mL to 144 cells/mL. Which of the following genes would you expect to be mutated in this patient?]] |
| Answer A | AnswerA::Gag gene |
| Answer A Explanation | AnswerAExp:: |
| Answer B | AnswerB::Pol gene |
| Answer B Explanation | AnswerBExp:: |
| Answer C | AnswerC::Env gene |
| Answer C Explanation | AnswerCExp:: |
| Answer D | AnswerD::Rev gene |
| Answer D Explanation | AnswerDExp:: |
| Answer E | AnswerE::Nef gene |
| Answer E Explanation | AnswerEExp:: |
| Right Answer | RightAnswer::B |
| Explanation | [[Explanation:: Educational Objective: |
| Approved | Approved::No |
| Keyword | WBRKeyword::HIV, WBRKeyword::AIDS, WBRKeyword::Pol gene, WBRKeyword::Protease inhibitors, WBRKeyword::Ritonavir |
| Linked Question | Linked:: |
| Order in Linked Questions | LinkedOrder:: |