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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. Name the insulin preparation based on the peak effect and duration of action - Peak - 8 to 16 hours; duration - 24 to 36 hours






2. What is the renal compensation mechanism for acidosis?






3. What primary acid - base disturbance is caused by a gain in fixed acid forcing the reaction to shift to the left - decreasing HCO3- and slightly increasing CO2?






4. What is the term for making up stories regarding past experiences because of an inability to retrieve them?

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5. Name the lung measurement based on the following descriptions: x Volume in the lungs at the end of passive expiration






6. What is the term for gastric ulcers associated with severely burned or traumatic patients?






7. What syndrome occurs when pelvic inflammatory disease ascends to surround the liver capsule in violin string adhesions?






8. What type II hypersensitivity disorder is defined as x Autoantibodies directed against the TSH receptor?






9. What type of correlation is defined as x Two variables with no linear relation to one another?






10. What prokaryotic positioning enzyme in translation is blocked by the following? - Streptomycin






11. Which form of alcohol toxicity results in ocular damage?






12. Name the cancer associated with the following oncogenes. (Some may have more than one answer) x sis






13. What protein allows Mycoplasma to attach to the respiratory epithelium?






14. A clear - hypertonic solution with higher concentrations of K + and HCO3- - than the serum.






15. Have catalase.






16. Can advance directives be oral?






17. Name the DNA virus: x ssDNA; naked; icosahedral; replicates in the nucleus






18. What is the MCC of inherited mental retardation?






19. What are two causes of diffusion impairment in the lungs?






20. If the pH is more acidic than the pI - does the protein carry a net positive or net negative charge?






21. What primary acid - base disturbance is cause by a decrease in alveolar ventilation (increasing CO2 levels) resulting in the reaction shifting to the right and increasing H+ and HCO3- levels?






22. Name the ventricular muscle membrane channel: x Closed at rest; depolarization causes channels to open slowly






23. Name the cancer associated with the following oncogenes. (Some may have more than one answer) x hst -1 - int -2 - erb -2 - and erb -3






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






25. What is the only 17- hydroxysteroid with hormonal activity?






26. What are the first intermediate hosts for trematodes?






27. Name the antidote - Acetaminophen






28. Oxidation of Hgb forms what bodies in patients with G-6- PD deficiency?






29. Name the bony articulations of the following sites. Be specific - Shoulder






30. What type of skin carcinoma occurring on sun - exposed sites has a low level of metastasis?






31. What structure or structures cross the diaphragm at x T12 level?






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






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






34. What hormone disorder is characterized by the following abnormalities in sex steroids? - LH? - and FSH?? - Sex steroids - LH - FSH






35. What is the DOC for blastomycoses and sporotrichoses?






36. Name the cancer associated with the following oncogenes. (Some may have more than one answer) x abl






37. What component of the ANS is responsible for movement of semen from the epididymis to the ejaculatory ducts?






38. Are the following major or minor Jones criteria of rheumatic fever? - Subcutaneous nodules






39. Name the structure that enters or exits the following foramina: x Foramen ovale






40. What is the main factor determining GFR?






41. Which extravascular chemoreceptor detects low NaCl concentrations?






42. What is the name of the process in which cells migrate toward an attractant along a concentration gradient?






43. Which hepatitis strain is a defective virus that can replicate only inside HBV- infected cells?






44. What embryonic structure forms the adult male structure? - Scrotum






45. What prokaryotic positioning enzyme in translation is blocked by the following? - Erythromycin






46. Males are more likely to develop _______ than females.






47. Marriage ______ a child less than 17 years old.






48. Name the RNA subtype based on the following: x Found only in the nucleus of eukaryotes and functions to remove introns from mRNA






49. What are the first signs of overdose from phenobarbitals?






50. In what form are triglycerides sent to adipose tissue from the liver?