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. What is the classic triad of TB?






2. What is the name of the force that develops in the wall of the lungs as they expand?






3. Is most of the coronary artery blood flow during systole or diastole?






4. Name the most common type - Learning disability






5. Name the DNA virus x Linear dsDNA; nuclear envelope; icosahedral; replicates in the nucleus






6. What syndrome has loss of deep tendon reflexes - muscle weakness - and ascending paralysis preceded by a viral illness?






7. What organelle is responsible for ribosomal RNA synthesis?






8. What is the term for drug removal per unit of time in a given volume of blood?






9. Which organism causes trench fever?






10. At the D2A receptor have the capacity to induce pseudoparkinsonism.






11. What enzyme does HIV use to integrate the proviral dsDNA into the host?






12. Name the bony articulations of the following sites. Be specific. Elbow






13. What inflammatory bowel disorder is continuous - with extensive ulcerations and pseudopolyps - and is associated with HLA- B27?






14. What is the monoamine oxidase B (MAOB) inhibitor?






15. Name the product or products of arachidonic acid: x Pain and fever






16. Name the ventricular muscle membrane channel: x Closed at rest; depolarization causes channels to open quickly; will not respond to a second stimulus until cell is repolarized.






17. What is the most common one? - Skin tumor in the United States






18. Where is renin produced?






19. What operant conditioning therapy or modification is described as x Removing a reinforcement (without the patient knowing) gradually over time to stop a condition?






20. Name the associated chromosome - Gaucher disease






21. Describe What type of fluid is either gained or lost with the following changes in body hydration for the ECF volume - ICF volume - and body osmolarity - respectively: x ECF: increase; ICF: no change; body: no change






22. Has proteolytic metabolic effects.






23. The DSM- IV- TR is scored on the basis of five axes of diagnosis. In What axis would you place x Medical or physical ailments?






24. Is GH considered a gluconeogenic hormone?






25. What germ cell tumor is seen in the 15- to 35-year - old age group - peaks when the person is 35 years of age - and is a bulky mass that spreads via the lymphatic system?






26. Name the compartment of the mediastinum associated with the following thoracic structures: Trachea






27. Name the valve abnormality based on the following criteria: x Back - filling into the left atrium during systole; increased v - wave - preload - left atrial volume - and left ventricular filling






28. Name the most common type or cause - Chancre






29. Name the period described by the following statement: no matter how strong a stimulus is - no further action potentials can be stimulated.






30. Name the cancer associated with the following oncogenes. (Some may have more than one answer) x erb -1






31. All aluminum - containing antacids can cause...






32. What Freudian psyche component is described as x The urges - sex aggression - and 'primitive' processes?






33. Name the laryngeal muscle described by the following: x Pulls the arytenoids cartilages closer to the thyroid - relaxing the vocal ligaments and thereby decreasing the pitch






34. Which muscles of the eye are under parasympathetic control?






35. What happens to extracellular volume with a net gain in body fluid?






36. What is the only Ig that crosses the placenta?






37. What is the most serious form of tinea capitis - which results in permanent hair loss and is highly contagious?






38. What AA is a precursor of the following substances? - NAD






39. Name the type of graft described by these transplants: x From one person to the next (the same species)






40. Name the MCC of death - In diabetic individuals






41. A patient goes to the ER with abdominal cramps - vomiting - diarrhea - and sweating less than 24 hours after eating potato salad at a picnic; What is the most likely responsible organism?






42. What organelle synthesizes proteins that are intended to stay within the cell?






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






44. What is the rate - limiting step in the synthetic pathway of NE at the adrenergic nerve terminal?






45. What tumor is seen in the 2- to 4-year - old age group; does not cross the midline; has immature glomeruli - tubules - and stroma; and metastasizes late to the lungs?






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






47. What type of chromatin is transcriptionally active?






48. What is the term for a delay in the onset of normal IgG synthesis seen in the fifth to sixth month of life?






49. What is the name of the ovarian cyst containing ectodermal - endodermal - and mesodermal elements (i.e. - skin - hair - teeth and neural tissue)?






50. What is the statistical term for the proportion of truly nondiseased persons in the screened population who are identified as nondiseased?