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USMLE Step 1 Prep

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 common one? - Benign tumor of the ovary






2. What hormone causes milk letdown?






3. What is the MCC of the following meningitides? - In neonates to 3 months of age






4. What is the most common condition leading to an intracerebral bleed?






5. What elongation factor is inactivated by ADP ribosylation - preventing translation?






6. What muscles in the hand adduct the fingers?






7. What potentially lethal side effect of clozapine should be monitored with frequent blood drawing?






8. What are the five penicillinase - resistant penicillins?






9. Name the most common one - Heart defect in Down syndrome






10. What is the major difference between the veins in the face and the veins in the rest of the body?






11. What ssDNA virus must make dsDNA before it makes mRNA?






12. Regarding the Lac operon - for What do the following genes code? - I gene






13. What component of the ETC is inhibited by the following? - Oligomycin






14. What type II hypersensitivity disorder is defined as x Autoantibodies directed against RBC Ag I?






15. Name the type of regeneration (i.e. - labile - stable - or permanent) based on the following examples - Pancreas






16. What is the drug of choice for early Parkinson's disease?






17. What syndrome is associated with gastrin - producing islet cell tumor resulting in multiple intractable peptic ulcers?






18. What agent used in the treatment of BPH and baldness is a 5- a - reductase inhibitor?






19. What is the enzyme for the oxidative reaction in glycolysis?






20. Name the most common type or cause - Viral pneumonia leading to death






21. Name the aphasia based on these characteristics: x Both Broca's and Wernicke's areas damaged by lesion in the presylvian speech area; trouble repeating statements; poor comprehension with telegraphic speech






22. What attaches the cusps of the valves to the papillary muscles in the heart?






23. What judgment states that the decision - by rights of autonomy and privacy - belongs to the patient - but if the patient is incompetent to decide - the medical decision is based on subjective wishes?






24. In what pathway of the basal ganglia do lesions result in hyperactive cortex with hyperkinetic - chorea - athetosis - tics - and dystonia?






25. What are the cells of the parathyroid gland that produce PTH?






26. What is the most common one? - Viral cause of myocarditis






27. What three organs are necessary for the production of vitamin D3(cholecalciferol)?






28. What segment of the nephron has the highest concentration of inulin? Lowest concentration of inulin?

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29. What are the two leading causes of cancer - related death in women?






30. What skin carcinoma is a superficial dermal infiltrate of T lymphocytes seen in males more than 40 years old and presents as scaly red patches or plaques?






31. Waxy casts






32. In the alveoli - what cell type is x for gas exchange?






33. Name these cluster A personality disorders: x Socially withdrawn - seen as eccentric but happy to be alone






34. What are the three posttranscriptional modifications?

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35. What is the term for neurologic signs consistent with a cerebrovascular accident but lasting 24 hours with full recovery?






36. All streptococci are...






37. What is a sign of a Sertoli cell tumor in a man?






38. Is a nicotinic receptor agonist.






39. Name the most common type or cause - Cirrhosis in the United States






40. Does light or darkness regulate the pineal gland?






41. What structure of the knee is described thus? - Prevents anterior displacement and has lateral - to - medial attachment on the tibia






42. What virus is associated with body cavity large B- cell lymphomas?






43. What subtype of IgG does not activate complement cascade?






44. What is the term for the ability of a test to measure something consistently?

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45. What type of potential is characterized as graded - decremental - and exhibiting summation?






46. Name the Plasmodium species based on the following information: No persistent liver stage or relapse; blood smear shows multiple ring forms and crescent - shaped gametes; irregular febrile pattern; associated with cerebral malaria






47. Pseudorosettes






48. Neurofibrillary tangles






49. What condition results in the following CSF results? - Opening pressure 400 mm H2O; WBCs 8500 (90% PMNs); glucose 15; protein 120






50. What two AAs have a pKa of 4?