Test your basic knowledge |

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. On what chromosome is the adenomatous polyposis coli gene?






2. What pituitary hormone is inhibited during sleep?






3. Is a cause of asthma.






4. What are the three causes of transudate?






5. What artery supplies the right atrium - right ventricle - sinoatrial and atrioventricular nodes?






6. What rare form of dementia is associated with personality changes and affects the frontal and temporal lobes?

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






8. What is the term for the total volume of air moved in and out of the respiratory system per minute?






9. What CNs are affected if there is a lesion in x Pontomedullary junction?






10. What are the three Beta - lactamase inhibitors?






11. What is the label given to an individual whose IQ is x 90 to 109






12. Is Dubin - Johnson or Rotor syndrome associated with black pigmentation of the liver?






13. Which protein prevents internal binding of self proteins within an MHC class II cell?






14. What are the three functions of surfactant?






15. Development of what T cell line follows low affinity for self - MHC class II Ags in the thymus?






16. What urinary metabolite is elevated in pheochromocytoma?






17. What type of fiber or fibers are carried in (answer motor - sensory - or both) x Dorsal root?






18. What type of fiber or fibers are carried in (answer motor - sensory - or both) x Ventral root?






19. Name the stages of sleep with these EEG patterns: x Sawtooth waves - random low voltage pattern






20. Do the duct or the acini cells of the pancreas secrete HCO3-?






21. What happens to flow and pressure in capillaries with arteriolar dilation? Arteriolar constriction?






22. What is the most common sexual assault?






23. Name the insulin preparation based on the peak effect and duration of action - Peak - 0.5 to 3 hours; duration - 5 to 7 hours






24. Name the RNA subtype based on the following: x Carries AA to the ribosome for protein synthesis






25. What nerve is compromised in carpal tunnel syndrome?






26. What AA is a precursor of the following substances? - Creatine






27. Regarding the Lac operon - for What do the following genes code? - I gene






28. What bones make up the acetabulum?






29. Name the MCC - Walking pneumonia - seen in teens and military recruits






30. What operant conditioning therapy or modification is described as x Stopping the reinforcement that is leading to an undesired behavior?






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






32. Does the direct or indirect basal ganglia pathway result in a decreased level of cortical excitation?






33. What lymphoid organ has the following characteristics: outer and inner cortical areas - encapsulation - germinal centers - and high endothelial venules?






34. What Brodmann area is associated with x Wernicke's area?






35. What are the pharmacologic effects seen sexually with x Serotonin?






36. What is the DOC for Beta- blocker - induced bronchospasms?






37. What is the most common one? - Tumor in individuals exposed to asbestos






38. Which PG is associated with maintaining a PDA?






39. What pH (acidotic or alkalotic) is needed for pepsinogen to pepsin conversion?






40. The faster the ___________ - the smaller the time of maximum concentration (Tmax) and the maximum concentration (Cmax).






41. What lipoprotein is formed if an IDL particle acquires cholesterol from a HDL particle?






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






43. What toxicities are caused by the following agents? - Halothane






44. What is the rate - limiting enzyme on glycolysis?






45. What Ig is associated with Ag recognition receptor on the surface of mature B cells?






46. What thyroid carcinoma secretes calcitonin and arises from the parafollicular C cells?






47.






48. What three organs are responsible for peripheral conversion of T4 to T3?

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49. What is the second leading cause of cancer deaths in males? In females?

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50. What is the term for RBC fragments?