Step 2 CK NBME 8 EXAM questions and answers

Tourrette's syndrome vocal tics include - ans- grunting, snorting, throat clearing, yelling, obscenities Absolute Risk Reduction (ARR) - ans- control rate - treatment rate Likelihood ratio - ans- sensitivity/(1-specificity) Relative risk reduction - ans- RRR = 1 − RR HIV ppx - ans- - CD4 < 200: TMP/SMX (PCP) - CD4 < 100: TMP/SMX (Toxo) - CD4 < 50: Azithromycin (MAC) * no longer used HIV vaccine prevention - ans- - annual influenza - PCV13, PPSV23 - Any hepatic vx Surgery antibiotic ppx if PCN allergic - ans- Vanc or Clinda small cell lung cancer treatment - ans- Chemotherapy +/- Radiation/surgery Most cancers are unresectable Two common cardiac manifestations of marfan syndrome - ans- Aortic dilatation -> AR Mitral valve prolapse Sunscreen guidelines in infant - ans- Sunscreen not commonly used in infants under 6 months of age with best strategy to keep infants in the shade especially during the middle of the day and to use protective clothing pneumococoniosis which are upper lobe?