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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. How far below ideal body weight are patients with anorexia nervosa?






2. Which class of diuretics is used to treat metabolic acidosis - acute mountain sicknesses - and glaucoma and to aid in the elimination of acidic drug overdoses?






3. Name the ocular lesion; be specific - A right lateral compression of the optic chiasm (as in aneurysms in the internal carotid artery)






4. Name the most common type or cause - Meningitis in renal transplantation patients






5. What is the term for the pH range where the dissociation of H+ occurs?






6. What Ig mediates ADCC via K cells - opsonizes - and is the Ig of the secondary immune response?






7. What is the most common one? - Cancer of the esophagus in the world






8. What cell type in the bone is responsible for bone deposition?






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






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






11. What is the most common one? - Tumor of the female genital tract






12. How many pairs of spinal nerves are associated with x Sacral vertebrae?






13. What drug that penetrates the blood - brain barrier is found in asthma preparations and used as a nasal decongestant?






14. Based on operant conditioning - What type of reinforcement is described when x Removing a stimulus stops a behavior?






15. What phase of the cell cycle are the following antineoplastic agents specific for? - Vincristine






16. What test - by using specific Abs to different receptors - allows for rapid analysis of cell types in a blood sample?






17. What agent is used IM to treat acute dystonias?






18. What AD syndrome produces hamartomatous polyps in the small intestine and pigmentation of the lips and oral mucosa?






19. Is splenomegaly more commonly associated with intravascular or extravascular hemolysis?






20. What two vitamins are inactivated when they come in contact with acetaldehyde?






21. What phase of Food and Drug Administration approval tests x The efficacy and occurrence of side effects in large group of patient volunteers?






22. What two factors are required for effective exocytosis?






23. Name the type of exudate - given the following examples - Rickettsial infection






24. Name the compartment of the lower extremity and the nerve based on its movements - Plantar flex the foot and evert the foot






25. What HPV serotypes are associated with increased risk of cervical cancer?






26. Name the cancer associated with the following tumor markers. (Some may have more than one answer.) x Beta - hCG






27. What type of healing occurs in a clean surgical incision?






28. What type of erythema do you see in x Ulcerative colitis?






29. Are excitatory neurotransmitters in the CNS.






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






31. What is the name of the process that ensures that each B cell produces only one heavy- chain variable domain and one light chain?






32. Clarke's nucleus is the second ascending sensory neuron of which spinocerebellar tract?






33. Which genus of dermatophytes is associated with the following sites of infection? - Hair and skin only






34. What is the second leading cause of death in children aged 1 to 14 in the United States?






35. Are the following major or minor Jones criteria of rheumatic fever? - Sydenham chorea






36. What is the name of the postganglionic parasympathetic ganglion that innervates x The submandibular and sublingual glands?






37. Which virus is treated with the monoclonal antibody palivizumab?






38. What drug is given transdermally for chronic pain but can cause chest wall rigidity if given IV?






39. What is the name of the B cell that secretes Ig?






40. What hormone causes contractions of smooth muscle - regulates interdigestive motility - and prepares the intestine for the next meal?






41. Which three CNs send sensory information to the solitary nucleus?






42. What is the best measure of total body vitamin D if you suspect a deficiency?






43. What is the most common one? - Site of Crohn disease






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






45. Name the primary vesicle the following structures are derived from (proencephalon - mesencephalon - or rhombencephalon) - Hypothalamus






46. What prion - associated CNS pathology produces rapidly progressive dementia with myoclonus - involuntary movements - and death within 6 to 12 months?






47. What three vitamin deficiencies are associated with homocystinemia?






48. RBCs in the urine






49. What is the term for production of a DNA copy from an RNA molecule?






50. Name the muscle type based on the histological features: x Actin and myosin in sarcomeres; striated; multinuclear; lacks gap junctions; troponin:calcium binding; T tubules and SR forming triadic contacts; highest ATPase activity; no calcium channels






Can you answer 50 questions in 15 minutes?



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