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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 is the DOC for coccidioidomycosis?






2. Name the cancer associated with the following tumor markers. (Some may have more than one answer.) x Calcitonin






3. Curschmann spirals






4. What Brodmann area is associated with x Broca's area?






5. How early can a pregnancy be detected by hCG assays in the blood? In urine?






6. Name the associated chromosomal translocation - M3 AML






7. What two glycolytic enzymes catalyze the substrate - level phosphorylations?






8. What hormone has the following effects: chondrogenic in the epiphyseal end plates of bones; increases AA transport for protein synthesis; increases hydroxyproline (collagen); and increases chondroitin sulfate synthesis?






9. In regard to motor development during infancy - choose the motor response that happens first - Release or grasp






10. What AR disease involves a defect in AA 508 on chromosome 7 - causing a defect in Cl - transportation that leads to recurrent pulmonary infections and an increase in viscid mucoid secretions along with pancreatic insufficiencies?






11. What protein deficiency results in respiratory distress syndrome of newborns?






12. What form of alcohol causes blindness?






13. What nucleus supplies the preganglionic parasympathetic fibers to the ciliary ganglion?






14. What phase of the female reproductive cycle is 14 days long?






15. Prolactin levels can serve as a rough indicator of...






16. Name the most common type or cause - Childhood heart disease in the United States






17. Is DM a contraindication to use of a Beta- blocker in a patient who is having an MI?






18. Has proteolytic metabolic effects.






19. What virus is associated with both nasopharyngeal carcinoma and Burkitt lymphoma?






20. What disease has a genetically low level of UDPglucuronate transferase - resulting in elevated free unconjugated bilirubin?

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21. What vertebral level is marked by the xiphoid process?






22. In What type of circuit is the total resistance always less than that of the individual resistors?






23. What is the most likely organism causing cellulitis in a patient who was cut by an oyster shell?






24. What is the name for inability to stop a movement at the intended target?






25. Where are the LMN cell bodies of the corticospinal tract?






26. Where are the tonsillar tissues?

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






28. What is the only diuretic that works on the blood side of the nephron?






29. What segments of the lumbosacral plexus form the following nerves? - Femoral nerve






30. What Brodmann area is associated with x Somatosensory association cortex?






31. As what AAs do muscles send nitrogen to the liver?






32. Is a brush border enzyme.






33. Name the GLUT transporter based on the following: x Found in skeletal muscle and adipose tissues






34. How much of a vessel must be stenosed to cause sudden cardiac death?






35. What is the term for conversion of a dsDNA molecule to the base sequence of an ssRNA molecule?






36. What is the MCC of death in children aged 1 to 14 in the United States?






37. What bacterium is responsible for woolsorter's disease?






38. What oral hypoglycemic agent should be used with caution in patients with CHF because it causes lactic acidosis?






39. What attaches the cusps of the valves to the papillary muscles in the heart?






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






41. What inhibitor of microtubule synthesis is the drug of choice for whipworm and pinworm?






42. Name the Plasmodium species based on the following information:Persistent hypnozoite liver stage with relapses; blood smear shows amoeboid trophozoites with oval - jagged infected RBCs; 48- hour fever spike pattern






43. What causes slow writhing movements (athetosis)?






44. What three things are needed to produce a double bond in a fatty acid chain in the endoplasmic reticulum?






45. Methylating uracil produces what pyrimidine base?






46. In the water deprivation test - does a patient with reduced urine flow have primary polydipsia or diabetes insipidus?






47. Does alcoholism increase the rate of suicide?






48. Which class of antiarrhythmics are potassium channel blockers?






49. Indicates the patient has active pulmonary disease.






50. What is the relationship between chance of error and x Sample size?







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