NBME 26c Exam Questions with 100% Correct Answers

Paresthesias Correct Answer abnormal sensation (e.g., tingling, prickling, "pins and needles") false positives and false negatives Correct Answer placenta accreta Correct Answer A rare disorder in which the placenta is directly adherent to the myometrium (without penetrating) instead of the decidua basalis. Results in delayed separation and/or placental retention as well as postpartum hemorrhage. The most important risk factors for placenta accreta are a previous C-section and placenta previa. -risk factors include: prior uterine instrumentation (including ceserean delivery), increased maternal age, placenta previa, and pultiparity. given the high risk of morbidity and mortality, elective surgical delivery at 34 to 36 weeks is recommended. leiomyomata uteri Correct Answer (uterine fibroids) benign tumors of the uterus, which can present with abnormal uterine bleeding and pelvic pain. however, they are more common in older women and are associated w an irregular shaped uterus on physical exam. Monobactams Correct Answer inhibit transpeptidation by inhibiting penicillin-binding protein 3 antimycin A Correct Answer inhibits complex III of the electron transport chain cyanide, monoxide, azides -- electron transport chain inhibitors Correct Answer inhibit complex IV normal alveolar-arterial gradient (a/A gradient) Correct Answer 5-10 mmHg Baclofen Correct Answer a GABAb receptor agonist, which hyperpolarized muscle cells and relieves muscle spasticity Bacteroides fragilis Correct Answer an anaerobic, gram-negative bacillus and a normal component of the gastrointestinal microbiota.