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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 syndrome is due to a deficiency of surfactant?






2. What is the drug of choice for treating Tourette syndrome?






3. What acid form of H+ in the urine cannot be titrated?






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






5. What type of test asks a patient to draw a scene - attempting to find out the individual's unconscious perceptions in his or her life?






6. In What three areas of the body are sympathetics the predominant tone?






7. What MHC class acts to remove foreign Ags from the body?






8. What IL - produced by macrophages - is chemotactic for neutrophils?






9. What is your diagnosis of a young - thin asymptomatic female with a midsystolic click on cardiac auscultation?






10. What is the label given to an individual whose IQ is 70 to 79






11. ______________ that slow bacterial growth are bactericidal.






12. What AD syndrome involves 1000 or more edematous polyps - most commonly affects the colorectal area - and is associated with chromosome 5q21?






13. What platelet disorder is characteristically seen in children following a bout of gastroenteritis with bloody diarrhea?






14. What type of bias is it when the information is distorted because of the way it is gathered?






15. What Ig activates the alternate pathway - neutralizes bacterial endotoxins and viruses - and prevents bacterial adherence?






16. Name the antidote - Lead






17. Name four major risk factors for atherosclerosis.






18. What are the four segmented RNA viruses?






19. Insulin - induced hypoglycemia is the most reliable (by far not the safest) test For what hormone deficiency?






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






21. What four conditions result in secondary hyperaldosteronism?






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






23. Why are patients with Chronic Granulomatous Disease not prone to develop infections from catalase - negative bacteria?






24. What nerve is associated with the following functions? - Flex the wrist and digits - pronate the wrist and the LOAF (Lumbricales - Opponens pollicis - Abductor pollicis brevis - Flexor pollicis brevis) muscles of the hand






25. What small gram - positive - non - spore - forming rod is a facultative intracellular parasite that grows in the cold and is associated with unpasteurized milk products?






26. By What age should children be able to draw the following figures? - Square






27. What pattern of inheritance does G-6- PD deficiency follow?






28. What is the term for the amount of blood in the ventricle after maximal contraction?






29. What gram - positive anaerobic rod with branching filaments is a component of the normal flora of the mouth and female genital tract and is responsible for draining abscesses with sulfur granules in the exudates?






30. Increased self - esteem - flight of ideas - decreased sleep - increased libido - weight loss - and erratic behavior are all symptoms of what disorder?






31. Name the phase of the eukaryotic cell cycle: x Cells cease replicating (i.e. - nerve cell)






32. What family do the following viruses belong to? - Ebola






33. What three cells are essential for T- cell differentiation in the thymus?






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






35. What is the DOC for the following protozoal infections? - Trichomoniasis






36. Is the bound form or free form of a lipid - soluble hormone responsible for the negative feedback activity?






37. Which type of cerebral herniation is associated with CN III palsy?






38. What pneumoconiosis is associated with exposure to the following occupations or materials? - Shipyards - brake linings - insulation - and old building construction






39. Where do adult tapeworms develop - in the intermediate or definitive host?






40. What component of the basement membrane binds to collagen type IV and heparin sulfate and is a cell surface receptor?






41. Which drug is used to treat respiratory depression associated with an overdose of opioids?






42. Which antimicrobial class may cause tooth enamel dysplasia and decreased bone growth in children?






43. What is the valence of an Ig molecule equal to?






44. The DSM- IV- TR is scored on the basis of five axes of diagnosis. In What axis would you place x Global assessment of function?






45. What is the primary method of nonverbal communication of emotional states?






46. What is the most common one? - Site for colonic diverticula






47. What test is done to diagnose CGD?






48. For what disease are SS- A(Ro) - SS- B(La) - and R- ANA diagnostic markers?






49. What bone cell has receptors for PTH?






50. Which of the following characteristics accurately describe fungi - bacteria - viruses - or parasites? - Eukaryotic cell; 3 to 10 microns; 80S ribosomes; chitinous cell wall; ergosterol in cell membrane; replicate via cytokinesis with mitosis and meio







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