The ACID property __________ ensures that once a transaction is committed, it remains saved even if a system failure occurs.

A __________ partition is a subset of table rows.

A __________ index contains an entry for every table row.

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A 34-year-old woman is newly diagnosed with HIV (CD4 count 420 cells/μL, viral load 45,000 copies/mL). She has no resistance mutations on genotyping. What class of antiretrovirals forms the backbone of current preferred first-line regimens?

A patient with known HIV infection has a CD4+ count of 165 cells/μL and presents with Pneumocystis jirovecii pneumonia. How is his disease stage classified?

A 19-year-old college student presents with pharyngitis, cervical lymphadenopathy, and fatigue. A Monospot test is positive for EBV mononucleosis. His pharyngitis is severe and a colleague suggests adding amoxicillin to treat potential concurrent strep infection. What is the critical prescribing consideration?

A patient beginning the 4-drug TB DOTS regimen asks what monitoring is required during treatment. What is the evidence-based monitoring protocol?

A 12-year-old girl presents 3 weeks after an untreated streptococcal pharyngitis with a painful migratory arthritis affecting large joints, fever, a macular ring-shaped rash on her trunk, and a cardiac murmur. What diagnostic criteria framework applies, and how many criteria does she meet?