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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 class of drugs are the DOCs for peptic ulcer disease - Zollinger - Ellison syndrome - and gastroesophageal reflux disease?






2. With a decrease in arterial diastolic pressure - what happens to x Stroke volume?






3. What hereditary bone disorder is due to decreased osteoclast function - resulting in thick - sclerotic bones that fracture easily?






4. Does the zygote divide mitotically or meiotically?






5. What are the three branches of the celiac trunk?






6. At What age does a child develop x Exogenous smile?






7. What is the rate - limiting enzyme of the HMP shunt?






8. What is the physiologically active form of Ca2+?






9. What is characterized by an intense inflammatory reaction - an increase in the amounts of granulation tissue and wound contraction by myofibroblasts?






10. What Brodmann area is associated with x Wernicke's area?






11. Name the neurotransmitter at the neuromuscular junctions for all of the voluntary muscles in the body.






12. What are the adult remnants of the following structures? - Foramen ovale






13. What type of GN - associated with celiac disease and dermatitis herpetiformis - has mesangial deposits of IgA - C3 - properdin - IgG - and IgM?






14. What very aggressive lung cancer metastasizes early and is associated with smoking and paraneoplastic syndromes?






15. What Brodmann area is associated with x Primary visual cortex?






16. What is the most common one? - Cardiac tumor of infancy






17. What is the name of inflammation of the prepatellar bursa?

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18. What is the function of the cerebellum?






19. What is the term for a reversible change in one cell type to another?






20. Name at least three bacteria that use capsules to prevent immediate destruction from the host's defense system.






21. What disorder is associated with jaundice - white stools - and dark urine due to biliary duct occlusion secondary to incomplete recanalization?






22. What water - soluble vitamin deficiency results in pellagra?






23. Name the valve abnormality based on the following criteria: x Systolic murmur - increased preload and afterload - decreased aortic pulse pressure and coronary blood flow






24. What is the amount in liters and percent body weight for the following compartments? - Total body water






25. What causes a skeletal muscle contraction to terminate?






26. What three bacteria are positive to quellung reactive test?






27. What is the term for nonneoplastic abnormal proliferation of cell size - shape - and cellular organization?






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






29. 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.






30. What infection is associated with ring - enhancing lesions seen on computed tomography (CT) of the brain in an HIV- positive individual?






31. What modified smooth muscle cells of the kidney monitor BP in the afferent arteriole?






32. What is the drug of choice for treating a patient with hyperuricemia due to overproduction of uric acid?






33. What is the term for edema that has LDH below 200 - protein level 2.5 - and a specific gravity below 1.020?






34. What is the most common one? - Melanoma in dark - skinned persons






35. Name the type of hypersensitivity reaction based on the following properties - IgG or IgM Abs against a specific target cell or tissue; complement - dependent or ADCC.






36. Which parasitic organism - when it crosses the placenta - results in intracerebral calcifications - chorioretinitis - microcephaly - hydrocephaly - and convulsions?






37. Name the area of the cerebral cortex affected by the description of the effects - symptoms - and results of the lesion - Agraphia - acalculia - finger agnosia - right - left disorientation

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38. What is the only factor of enzyme kinetics that the enzyme affects?






39. The gallbladder functions to...






40. Bence - Jones proteinuria






41. Why is there a transcellular shift in K+ levels in a diabetic patient who becomes acidotic?






42. What form of depression is due to abnormal metabolism of melatonin?






43. What nematode is known as hookworms? What is the treatment?






44. What is the DOC for blastomycoses and sporotrichoses?






45. What part of the heart forms x The right border?






46. What antihypertensive agent produces cyanide and thiocyanate as byproducts?






47. What papillae are responsible for sweet taste?






48. What are the three polymorphonuclear leukocytes? Be specific.






49. Name the product or products of arachidonic acid: x Chemotactic for neutrophils






50. Regarding the Lac operon - for What do the following genes code? - Z gene