Which activity is considered quality control (QC) rather than proficiency testing (PT) in a POCT program?

An FNP is assessing a patient with chronic liver disease and wants to estimate the risk of advanced fibrosis using a noninvasive first-line tool. Which set of variables is used to calculate the FIB-4 score?

Which iron study pattern is most consistent with anemia of chronic disease?

Which population has the highest risk of progression to end‑stage renal disease (ESRD)?

Which prescribing decision reflects safe medication management in a patient with CKD? 

A screening mammogram identifies a suspicious lesion. Which step provides the definitive diagnosis of breast cancer?

Which underlying mechanism is primarily responsible for vaso‑occlusive crises (VOC) in sickle cell disease?

When evaluating a patient with suspected comorbid ADHD and ASD, which principle is most important to avoid diagnostic error?

A patient with CKD has an eGFR of 38 mL/min/1.73 m². What CKD stage does this represent?

Which laboratory test is recommended as the initial screening test for HIV in clinical practice?