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. If a patient has higher levels of HbF - What does this mean?






2. which nerve is at risk when ligating the superior thyroid artery? Which is the only muscle this nerve innervates? what nerve innervates all the other laryngeal muscles?






3. why are beta thal major patients asymptomatic at birth?






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






5. what chromosome is c - myc found on?






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






7. what indicates the severity of a mitral regurg ? mitral stenosis?






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






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






10. When does neovascularization granulation tissue begin to form after severe ischemia and MI? what happens in 12-24 hours? 2 weeks to 2 months? 1-5 days? 0-4 hours? when do you see edema - hemorrhage - wavy fibers?






11. Where does lysyl oxidase act? What is the cofactor for that?






12. what protects the resting heart from arrhythmias?






13. on which chromosome - and which gene - are people with sporadic and hereditary renal cell carcinomas found to have mutations?






14. What type of bond is a disulfide bond?






15. What torch causes an intrapartum infection (as opposed to the rest which are in utero)?






16. carnitine deficiency impairs production of What and how?






17. at 2 years of age - What are the social - fine motor - gross motor and language developments?






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






19. What can worse neurologic dysfunction in cobalamic def?






20. What is somatomedin C?






21. which type of glands produce an initially odorless secretion but can become malodorous secondary to bacterial decompisition on the skin surface? which glands are present throughout the skin except on lips and glans penis?






22. why does hypothyroidism cause increased CPK levels?






23. Which is slower AV node or ventricular muscle?






24. What is acanthosis nigricans associated with?






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






26. What is the cause of fixed splitting of S2? why?






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






28. IL4 is used for isotypye switching to what?






29. neisseria are...






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






31. What is the most important prognostic indicator in patients with malignant melanoma?






32. What does phosphoglycerate mutase produce? In what process - instead of what? what cells used this and why?






33. How do you treat gonococcal infection? chlymadia?






34. what marker should be followed in a patient with cirrhosis?






35. what provides some cutaneous sensation to the posterior external auditory canal? What can happen if pressure is put there?






36. eukaryotes are often polycistronic (multiple genes per mRNA) so ____________ is linked






37. why is crohns disease associated with oxaloacetate kidney stones?






38. Which branch of the facial nerve provides taste from ant 2/3 of tongue?






39. in treating an anemia and erythropoiesis results - what would you expect to see in peripheral blood findings transiently?






40. When does dysplasia become a carcinoma - in other words When does it nonreversible? What is high grade dysplasia synonymous with?






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






42. when do ghon complexes form - primary or secondary TB?






43. What is congestive hepatomegaly specific for?






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






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






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






47. How do you calculate atributable risk percent?






48. how does eos release MBP to kill protozoa etc?






49. what disease causes a lack of intracellular killing? lack of killing viruses and fungi?






50. which staphylococci can do mannitol fermaentation?