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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 subset of adenocarcinoma arises from the terminal bronchioles and/or alveolar walls?






2. What is the most common lysosomal storage disorder?






3. Which class of antiarrhythmics are calcium channel blockers?






4. Name the antidote - Copper






5. Name the antidote - Methyl alcohol






6. What happens to intrapleural pressure when the diaphragm is ontracted during inspiration?






7. What form of arthritis is associated with calcium pyrophosphate crystals?






8. What form of vasculitis involves the ascending arch and causes obliterative endarteritis of the vasa vasorum?






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






10. What is the most common sexual assault?






11. Name the type of necrosis - The most common form of necrosis; denatured and coagulated proteins in the cytoplasm






12. What is the term for the strength of the association between Ags and Abs?






13. What is the term for black pigmentation of the colon associated with laxative abuse?






14. What type of mortality rate is defined as the number of deaths x From a specific cause per population?






15. What fungus is characterized by India ink staining of the CSF that produces colorless cells with a halo on a black background?






16. Name the type of hypersensitivity reaction based on the following properties - Circulating Ab - Ag immune complexes deposited in the tissue result in neutrophil attraction and the release of lysosomal enzymes.






17. Name the four ventral mesentery derivatives.






18. Does Cushing syndrome or Cushing disease have elevated ACTH levels and cortisol suppression with dexamethasone?

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19. What is the most common cardiac tumor? In what chamber does it most commonly arise?






20. What is the most common one? - Type of melanoma






21. What is the most common one? Esophageal cancer in the United States






22. Is the carotid sinus sensitive to pressure or oxygen?

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23. In which syndrome does a person present with intentionally produced physical ailments with the intent to assume the sick role?






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






25. Is cigarette smoking associated with transitional cell carcinoma of the bladder?






26. Being college educated increases a man's risk of having...






27. What is the largest nucleus in the midbrain?






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






29. What cell type of the body or fundus of the stomach secretes pepsinogen?






30. For what hormone do Leydig cells have receptors?






31. Name the valve abnormality based on the following criteria: x Back - filling into the left atrium during systole; increased v - wave - preload - left atrial volume - and left ventricular filling






32. Below the ___________ - all the aponeurotic fibers run anterior to the rectus abdominis.






33. Match the chromosome and haploid number with the stage of sperm development - spermatid - spermatocyte (primary or secondary) - spermatogonia (type A or B): x 46/2n (divide mitotically)






34. What is the most common one? - Organism associated with mastitis






35. When the ECF osmolarity increases - what happens to cell size?






36. What pineal hormone's release is inhibited by daylight and increased dramatically during sleep?






37. There are no central ___ receptors.






38. What is flat - circumscribed nonpalpable pigmented change up to 1 cm?






39. How is velocity related to the total cross - sectional area of a blood vessel?






40. Name the most common type or cause - Viral pneumonia leading to death






41. What is the most common one? - Subtype of Hodgkin lymphoma






42. What is the most common one? - Acquired GI emergency of infancy






43. Activates the histidine operon.






44. What is the term for the strength of the association between Ag and an Ab?






45. What class of pharmaceuticals are inactive until they are metabolized to their active products?






46. What is the drug of choice in treating a patient with hyperuricemia due to underexcretion of uric acid?






47. What IL do T cells secrete to induce T- and B- cell division?






48. Which subset of MEN syndrome is associated with the following? - Medullary carcinoma of the thyroid - pheochromocytoma - and mucocutaneous neuromas






49. Anhedonia - lack of motivation - feelings of worthlessness - decreased sex drive - insomnia - and recurrent thoughts for at least 2 weeks - representing a change from previous level of function - describes what disorder?






50. Can advance directives be oral?







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