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






2. What pulmonary structural change can kartageners syndrome cause?






3. what induces bronchial squamous metaplasia?






4. how can HAV be inactivated?






5. which antiarrythmic is associated with blue gray discoloration ?






6. What causes curlings ulcers?






7. What causes alpha helical proteins in alzheimers to become insoluble and prone to aggregating?






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






9. How can renal blood flow be calculated from RPF?






10. What is pickwickian syndrome? What are the lab findings?






11. What are the three causes of acute MI in context of normal coronary arteries ?






12. which congenital adrenal hyperplasia presents with all genotypes as phenotypically female and with salt retention and hypertension?






13. what presents congenitally as macroglossia - generalized hypotonia - and an umbilical hernia?






14. What are the acute effects of corticosteroids on the CBC?






15. What is low levels of C1 esterase inhibitor diagnostic of? how can this be acquired?






16. Acyl coA synthetase is not...






17. which virus inactivates both Rb and p53?






18. What are fenfluramine - phentermine?






19. What does glycosylase do to DNA? endonuclease? lyase? What does the order here of enzymes represent? what other enzymes are needed?

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






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






22. Where is high frequency sound best recepted? low frequency sound? Which is lost more in elderly?






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






24. why are pregnant predisposed to cholelithiasis?






25. what immune deficiency causes recurrent neisseria infections?






26. in the fluid running along the PT - what happens to PAH - inulin - urea - creatinine? how about glucose - aa - bicarb?






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






28. How do bradykinin - C3a and C5a cause edema?






29. on which chromosome is wilms tumor found?






30. What can chronic vit A toxicity cause?






31. What are the long term consequences of hydrocephalus?






32. What does anti phospholipid syndrome in SLE patients predispose them to?






33. which has better side effect profile - SSRI or TCA?






34. What does NF- KB do?






35. What is damaged in early syringomelia? later?






36. what enzymes is lipoic acid a cofactor for? What does a mutation in it result in?






37. How do you calculate excretion rate of a substance? How do you calculate the filtration rate of a substance? clearance of what substance estimates the GFR?






38. what happens with LDL receptor density in statin therapy?






39. What is the mcc of elevated AFP leves in pregnancy>






40. What is contraindicated in toxic mega colon?






41. What can inhaled anesthetics (like halothane) cause post operatively? what virus does it immitate? What are the presenting symptoms?






42. do Class IC agents prolong the QT interval?






43. which nerve provides innervation for plantar flexion and inversion?






44. What causes vertical diplopia? horizontal?






45. what would be a sign of absence of cardiogenic pulm edem?






46. Would alpha 1 agonists cause flushing? muscarinic antagonist?






47. hypertonicity and hyperreflexity are ________________ of hydrocephalus






48. What is an abortive viral infection?






49. What are the three presentations of ataxia telangectasia? What does the mutation cause? What is the mode of inheritance?






50. within the right ventricle - What are maximum pressures? the pulm arter?