USMLE Step 1 Questions and Answers 100% Correct

Heterophile ab NEGATIVE Mono-like syndromes*CMV HHV-6 HIV Toxoplasmosis Wernicke's Aphasia-word salad: well-articulated, nonsensical speech paired with lack of lang comprehension -aud association cortex: post part of sup temporal gyrus - supplied by MCA Congenital Deficiency of Propionyl CoA Carboxylase-prevents conversion of propionyl CoA to methylmalonyl CoA -propionyl CoA derived from= val, ile, met, thr, odd # FA, cholesterol side chains -Propionic Acidemia: poor feeding, vomiting, hypotonia, lethargy, dehydration, anion gap acidosis Down Synd ComorbiditiesNeuro: MR, early onset Alzheimer's Cardio: complete AV septal defect, VSD, ASD GI: duodenal atresia, hirschprung disease Endo: hypothyroid, DM1, obesity Heme: ALL (> 5 yo) and AML (<5 yo) Rheumatology: atlantoaxial stability MCC of Hypoglycemia in EtOH-icsThiamine def= suppression