Test your basic knowledge |

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. Which aminoglycoside is used only topically because it is too toxic for systemic use?






2. Name the most common type or cause - Lung abscess






3. What type of membrane channel opens in response to depolarization?






4. What are the three end products of amylase digestion?






5. What glycoprotein allows platelets to adhere to von Willebrand factor?






6. What is the most common one? - Form of vasculitis






7. Name the primary vesicle the following structures are derived from (proencephalon - mesencephalon - or rhombencephalon) - Hypothalamus






8. A complete opposite expression of your inward feeling (e.g. - arguing all the time with someone you are attracted to when your feelings are not known)






9. From what pharyngeal groove is the external auditory meatus derived?






10. Why should opioid analgesics be avoided for patients with head trauma?






11. What happens to O2 affinity with a decrease in p50?






12. What is the term for the dementia characterized by decremental or patchy deterioration in cognitive function due to a cerebrovascular accident?






13. What agent is used IM to treat acute dystonias?






14. In a ventricular pacemaker cell - what phase of the action potential is affected by NE?






15. Which calcium channel blocker is used to treat subarachnoid hemorrhages by preventing posthemorrhagic vasospasms?






16. Which tetracycline is used to treat prostatitis because it concentrates strongly in prostatic fluid?






17. What pancreatic islet cell tumor is associated with watery diarrhea - hypokalemia - and achlorhydria?






18. What three drugs are associated with SLE- like syndrome in slow acetylators?






19. What is the triad of Reiter syndrome?

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20. What vitamin deficiency produces homocystinuria and methylmalonic aciduria?






21. A schizophrenic patient who is taking haloperidol is brought to your ER with muscle rigidity - a temperature of 104






22. What form of dementia is characterized by onset at age 40 to 50 - rapid progression - infection by a prion - and death within 2 years?

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23. Is GH considered a gluconeogenic hormone?






24. What are the three posttranscriptional modifications?

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25. Name the three postganglionic sympathetic ganglia that receive input from thoracic splanchnics.

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26. The vertebral artery is a branch of What artery?






27. What three substances stimulate glycogenolysis?






28. What disease is associated with the HLA- DR2 and HLA- DR3 alleles






29. Name the most common type or cause - Acute renal failure in the United States






30. Name the Hgb - O2 binding site based on the following information: x Remains attached under most physiologic conditions






31. Is excretion greater than or less than filtration for net secretion to occur?






32. Which serotypes of HPV are associated with plantar warts?






33. What is the MCC of the following meningitides? - In renal transplant patients






34. Is masturbation considered an abnormal sexual practice?






35. What is the most common one? - Form of muscular dystrophy






36. What are the three major functions of secretory IgA?






37. Which of the following is not part of the conducting portion of the respiratory system: trachea - bronchi - alveoli - or larynx?






38. Damage to what nerve will give you winged scapula?






39. What is the relationship between chance of error and x Standard deviation?






40. What is the function of the arachnoid granulations?






41. How are pulse pressure and compliance related?






42. What phase of the cell cycle are the following antineoplastic agents specific for? - Hydroxyurea






43. Which carcinoma






44. What deep cerebellar nuclei receive Purkinje cell projections in x The vermis?






45. What mineral is a component of cytochrome a/a3?






46. What is the most common one? - Benign tumor of the ovary






47. Is allopurinol used in the acute treatment of gout?






48. What is the epithelial lining of the prostatic portion of the urethra?






49. The elimination of the unfertilized egg. In females - meiosis II is incomplete unless fertilization takes place.






50. What AA is a precursor of the following substances? - GABA