USMLE Step 3 exam 2023 with 100% correct answers

What is the genetic inheritance pattern of Hemophilia A? - correct answer X-linked recessive: women born to fathers with X linked recessive disorder will be carriers. Males are 50% carriers if born to an affected mother. What is tx of Lewy body dementia? - correct answer Dopamine agonist therapy (PD) & AchE inhibitors (Alzeihmer's) - watch for dopamine agonist therapy causing complex visual hallucinations. A patient treated for LTBI and now has positive PPD. Asymptomatic and also has negative CXR. - correct answer Asymptomatic patients without radiographic evidence of active TB who have been treated previously for active TB or LTBI need no further treatment. Initial tx of lupus? - correct answer - steroids + hydroxychloroquine - remember that hydroxychloroquine reduces the risk of arthralgias and serositis - you use steroids to bridge until hydroxychloroquine takes affect - MTX if u have organ damage. - Rituximab causes PML. What is the IGRA used for? - correct answer Another means of diagnosing LTBI - cannot tell the difference between latent and active TB just like the TST. They are advantage when you have BCG vaccinated patient. Isotretinoin in a boy what do you look for? - correct answer - hyperglycemia, triglyceridemia, hepatoto