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 causes release of myosin head from the actin filament?






2. where exactly is ACE expressed in the lungs? What type of enzyme is it?






3. is Rifampin ever used as monotherapY? why either way?






4. in essential fructosuria - what enzyme do patients use to metabolize fructose?






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






6. What is the difference between additive and synergistic?






7. how long is substance P? What does it do?






8. What does 'oxygen' content in blood refer to?






9. do Class IC agents prolong the QT interval?






10. What is the preferred treatment for DKA?






11. erythema nodosum - elevated ACE - scattered granulomas - arthralgias - hilar lymphadenoapthy are indicative of what?






12. What is the most common initital symptom of ADPKD? what else?






13. What is difference between Arnold Chiari type I and II?






14. What does the inferior gluteal nerve innervate? how does damage to this nerve manifest?






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






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






17. what composes the superior and inferior borders of the right side of the cardiac silouhette in a CXR? Where is the pulm arter?






18. within the right atrium - What is the maximum pressure? left atrium?






19. Axillary lymph node dissection is a risk factor for the development of chronic lymphedema of the ipsilateral arm. What does chronic lymphedema predispose to?






20. What does sustained hand grip do to the C/V system?






21. Where does vit C act in the hydroxylation of lysine residues for collagen? What is the cofactor required?






22. other than proteinuria - What can cause foamy froathy urine?






23. What is a major risk factor for progression ARDS? What is the pathology seen in ARDS- d/t what?






24. integrin mediated adhesion of cells to ECM (and BM) involves integrin binding to what?






25. What is the neurologic manifestation of ADPKD?






26. What are the primary determinants of colon cancer risk in UC patients






27. Increase in lung cancer incidence and mortality has been observed in _____ over last four decades






28. other than mycobacterim wha other bacteria is acid fast?






29. What is somatomedin C?






30. what drug causes aggression - nystagmus - ataxia - slurred speech - exaggerated gait and involuntary movements?






31. What is the triad seen in pre eclampsia?






32. What is the general compensatory mechanism to prevent edema is situations with increased central venous pressure?






33. What would a deflection of the membrane potential to near zero indicate?






34. What is a cell surface marker seen in liver angiosarcoma?






35. how will ectopic pregnancy rupture present? What is key history question for diagnosis? what would a uterine biopsy show?






36. What is suggestive of complete central DI?






37. what hernia has a similar mechanism to hydrocele?






38. Where does vasopressin act - on the medullary or cortical segment of collecting tubule?






39. What actions increase venous return?






40. how can HAV be inactivated?






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






42. Which nerve lies in close proximity to the inferior thyroid artery?






43. which are the only glycosylated proteins in HIV virus?






44. What are ulcers arising in the proximal duodenum in association with severe trauma or burns called?






45. What is the mcc of nephrotic syndrome in children and can occur in adults as wel?






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






47. up to what level are ciliated cells present in the pulmonary system? mucus producing cells?






48. What type of calcium channels dictate the plateau in cardiac myocyte?






49. How is dobutamine better than dopamine?






50. What does Rb protein do? what chrom is it on?