NBME 11 Exam Questions with 100% Correct Answers

Methotrexate anticancer effects? Correct Answer Inhibition of Thymidilate Synthase Optimal diagnostic cut point for results of test Correct Answer need to include all of the "infected" Best likelihood of survival of colorectal carcinoma? Correct Answer Poorly differentiated carcinoma confined to mucosa -PPD skin test, predominance of what cell types? Correct Answer Macrophages -High thyroid during pregnancy due to what? Correct Answer Estrogen -Histology of Type I DM pancreas? Correct Answer cell necrosis with inflammatory infiltrate -Decreased amniotic fluid and normal size fetal kidney, bladder and ureter distended, what is the problem? Correct Answer posterior urethral valves CSF gram stain shows spore forming, gram+ bacilli, widening of mediastinum, what is the virulence factor that enable to avoid phagocytosis? Correct Answer polyglutamic acid (Anthrax) Why do mitochondrial have their own tRNA? Correct Answer Because they use non-standard genetic code Bicylclist with back program and erectile dysfunction, has back tenderness and hemorrhoids. What cause erectile dysfunction? Correct Answer Damaged blood and nerve supply to erectile tissues CHF patient has pleural effusions, pleural fluid: 80 glucose, 2 protein, 25 LDH, 500 nucleated cell ct. What is cause? Correct Answer Increased hydrostatic pressure -What causes the contraction of skin after several weeks of healing? Correct Answer Myofibroblast activity Parkinson's disease with history of major depressive disorder, treated with fluoxetine. What antiparkinsonian drug is contraindicated? Correct Answer Selegiline (MAO Inhibitor) -Withdrawal symptoms and yawn a lot, dilated pupil? Correct Answer Heroin withdrawal