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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. In What area of the GI tract does iron get absorbed?






2. What class of antianginal activates the NO pathway to produce endothelial vasodilation?






3. Name the most common type or cause - Right heart failure






4. Name the cluster C personality disorder: x Gets others to assume responsibility - is subordinate - and is fearful of being alone and caring for self






5. What is the effect of insulin on intracellular K+ stores?






6. What color do fungi stain with PAS? Silver stain?






7. What is the most common one? - Subtype of Hodgkin lymphoma






8. With which DNA virus are Guarnieri bodies associated?






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






10. What is the function of white rami communicantes?






11. 1- a - Hydroxylase activity is increased in response to What two physiologic states? (hint: think of vitamin D activity)






12. Does PT or PTT test the extrinsic coagulation pathway?






13. What type of cell surface projection lies on the lateral surface of cells closest to the apex and acts to seal off the outside environment from the rest of the body?






14. What are the three main functions of surfactant?






15. Name the most common type or cause - Chancre






16. Name the cancer associated with the following chemical agents. (Some may have more than one answer.) x Nitrosamines






17. What has occurred to the renal arterioles based on the following changes in the GFR - RPF - FF - and glomerular capillary pressure? - GFR ? - RPF ? - FF ? - capillary pressure ?






18. Is GH considered a gluconeogenic hormone?






19. What is the name of the tumor when gastric carcinoma spreads to the ovaries?






20. What enzyme is inhibited by propylthiouracil (PTU)?

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21. On the venous pressure curve - What do the following waves represent? - A wave?






22. What ethnic group has the highest adolescent suicide rate?






23. What level of mental retardation is characterized by x Can work in sheltered workshops and learn simple tasks but need supervision?






24. Name the ocular lesion; be specific - A right LGB lesion (in the thalamus)






25. What nematode is known as whipworms? What is the treatment?






26. What three criteria allow you to differentiate an ulcer from an erosion or carcinoma?






27. What are the two chains of the TCR that are mainly found on the skin and mucosal surfaces?






28. What does the tunica intima of arteries have that veins do not?






29. Where are the lowest resting PO2 levels in a resting individual?






30. A mother takes her 2- week - old infant to the ER because the baby regurgitates and vomits after eating and has peristaltic waves visible on the abdomen and a palpable mass in the right upper quadrant. What is your diagnosis?






31. What signals are used to direct an enzyme to a lysosome?






32. Increased levels of what neurotransmitter - in the hippocampus - decrease the likelihood of learned helplessness?






33. Name the aphasia based on these characteristics: x Lesion is in the parietal lobe or arcuate fibers because the connection between Broca's and Wernicke's area is severed; word comprehension preserved; inability to write or speak the statement (can't






34. What is defined as a general estimate of the functional capacities of a human?






35. What lipoprotein is formed if an IDL particle acquires cholesterol from a HDL particle?






36. What type II hypersensitivity disorder is defined as x Autoantibodies against the type IV collagen in the basement membrane of the kidneys and lungs?






37. Ensures emancipation.






38. Use of an outlet for emotions (stuff flows downhill).






39. What changes does more negative intrathoracic pressure cause to systemic venous return and to the pulmonary vessels?






40. What is the costliest health care problem in the United States?






41. What is the respiratory compensation mechanism for metabolic acidosis?






42. Name the cancer associated with the following tumor markers. (Some may have more than one answer.) x CA-125






43. The surge of what hormone induces ovulation?






44. What nerve is associated with the following functions? - Flex the shoulder - flex the elbow - and supinate the elbow






45. What transmural inflammatory bowel disease can be found from the mouth to anus - has noncaseating granulomas - is discontinuous (skip lesions) - and has a cobblestone appearance - thickening of the bowel wall - linear fissures - and aphthous ulcers w






46. What is the term for panhypopituitarism secondary to ischemic necrosis and hypotension postpartum?






47. What enzyme - induced by insulin and activated by apo C- II - is required for chylomicron and VLDL metabolism?






48. Are more Abs produced in a primary or a secondary immune response?






49. What are the three tissues where triacylglycerols are produced?






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