UWorld Step 2 Qbank Questions and Answers

UWorld Step 2 Qbank Questions and Answers Where is the classic pain in diverticulitis? (vs appendicitis) ANSWER Left lower quadrant (vs right lower quadrant) What vitamin is beneficial in treating children with measles? ANSWER Vitamin A What's a common side effect of dihydropyridine Ca-channel blockers (ex: amlodipine)? ANSWER Peripheral edema via dilation of peripheral blood vessels What receptors does risperidone act on? ANSWER Atypical antipsychotic - *DA antagonist* that also acts on *serotonin receptors* - risperidone found to inc DA levels more than other antipsychotics What receptors does aripiprazole act on? ANSWER Partial agonist of DA *D2* receptors (increases DA) What is hydatid disease? ANSWER Infection with *Echinococcus granulosus* from contact with dogs -> can cause unilocular cystic lesion in any organs (liver, lung, muscle, bone), usually multiple lesions -> "eggshell calcification" on CT. Tx: albendazole + surgical removal. How do simple liver cysts form? ANSWER Congenital; fluid secretion by liver epithelium -> dull RUQ pain, abdominal bloating, early satiety What's acute stress disorder? ANSWER Similar to PTSD - pt experiences event that threatens serious injury/death, sx's present *< 1 mo*