Test your basic knowledge |

USMLE Prep 2

Subjects : health-sciences, usmle
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is the most important prognostic indicator in patients with malignant melanoma?






2. h1 receptor anatagonists are not effective in treatment of asthma only for...






3. What causes release of myosin head from the actin filament?






4. does congenital renal hypoplasia cause secondary hypertension? how about unilateral renal artery stenosis?






5. What can cause virilization of a mother during pregnancy?






6. Which is faster atrial muscle or ventricular muscle?






7. carnitine deficiency impairs production of What and how?






8. after a thrombus extraction - what serum enzyme shoots up and why?






9. What three pathogens cause infectious esophagitis in HIV positive patients?






10. what happens to PaO2 - % sat - and O2 content in: Anemia - polycythemia - CO poisoning?






11. Where does the aorta lie in relation to the pulmonary artery in transposition of the great arteries (is this right to left or left to right shunt?)?






12. What is the stabilizing force for the secondary structure of proteins?






13. What does p53 do? what chrom is it on?






14. IL4 is used for isotypye switching to what?






15. What is capsaicin? Where does it work?






16. Where is the base of the heart? apex?






17. What does nitroprusside do to afterload? preload?






18. Where is aromatase used?






19. What is an abortive viral infection?






20. What is the most common cause of pyelonephritis in both adults and childre?






21. What is intussusception? how does ischemia and necrosis occur?






22. SIADH patients have normal blood volume but...






23. what diseases can vit A be used to treat?






24. what increases turbulence and thus causes bruits? (specifically in terms of viscosity and velocity)






25. what immune deficiency causes recurrent neisseria infections?






26. What is the mutation type in thalassemias? what process is defective because of this?






27. What is achalasia and how would this correlate on the esophageal mannometry?






28. how does noise induced hearing loss occur?






29. What can nitrates lead to that is bad for angina therapy? How do you counter this?






30. which two virus families have hemagluttinin on their surface?






31. What is the mcc of cystitis and and acute pyelonephritis? mcc of UTI in sexually active women?






32. when arrested in prophase of meiosis I - What are primary oocytes chrom number? What about the secondary oocytes that are stuck in metaphase of Meiosis II?






33. What are examples of action that decrease venous return to the heart?






34. why does neutrophila occur with corticosteroids?






35. What is the immune deficinecy seen in ataxia telangactasia?






36. other than increasing HDL levels - what else does niacin do?






37. Acyl coA synthetase is not...






38. other than parvo B19 - what else is associated with red cell aplasia?






39. What are the two pharmacologic antagonists that offer clear benefit in allergic asthma?






40. What does the clinical presentation of restlessness - agitation - dysphagia - and progression to coma 30-50 days after cave exploring? hwo do you prevent?






41. are there signs of inflammation in avascular necrosis? then How do you diagnose?






42. What does TGF beta do? What produces it?






43. what vessel would a fracture to the neck of the of the humerus damage?






44. which congenital adrenal hyperplasia presents with ambiguous genitalia in females and salt retention?






45. what color pigmentations are caused by malassezia furfur? when do they become more visible?






46. What is the mcc of asymmetric inflammatory arthiritis of the lower extremities in young men? what HLA association?






47. What does L/S stand for in fetal lung maturity? When does maturity occur?






48. What is the key lab finding seen in type III serum sickness? What are some drugs that can induce it?






49. which staphylococci can do mannitol fermaentation?






50. What is usually teh last gene mutation in development of a carcinoma (from an adenoma for example)?