NBME 9 UWorld (week 1) Exam Questions with 100% Correct Answers

Best statistical analysis for qualitative dependent and independent variables? Qualitative independent and quantitative dependent variable? Correct Answer chi-squared - qualitative independent and dependent t-test - qualitative independent and quantitative dependent Management of sleep terrors Correct Answer reassurance Normal intra-uterine pocket depth during pregnancy Correct Answer >2 cm and <8 cm What is the pathogenesis behind exercise-induced postural hypotension Correct Answer decreased venous return after cessation of exercise (have hypotension and collapse without loss of consciousness) What diabetic finding correlates with diabetic nephropathy? Correct Answer neovascular retinal proliferation (from diabetic retinopathy); both are microvascular complications from persistent hyperglycemia Steps in working up primary amenorrhea Correct Answer US for uterus; if normal check FSH; then can check TSH and prolactin if FSH is low Components of Glasgow Coma Scale (GCS) Correct Answer eye opening, verbal response, motor response First-line therapy for chemotherapy-associated nausea? Correct Answer ondansetron - Zofran (serotonin receptor antagonist) Management for necrotizing enterocolitis Correct Answer bowel rest, IV fluids, blood cultures, and empiric IV antibiotics; if free abdominal air or deterioration --> laparotomy Presentation of vulvar squamous cell carcinoma Correct Answer vulvar irritation, intermittent bleeding, and unifocal friable mass commonly on the labia majora First-line HTN medications in pregnant women Correct Answer nifedipine, labetalol (not other beta blockers), and methyldopa Major GI complication associated with Henoch-Schonlein purpura (IgA vasculitis) Correct Answer intussusception