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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. Are antineoplastic agents that work on actively proliferating cells schedule or dose dependent?






2. Name the cluster C personality disorder: x Sensitive to criticism - shy - anxious; socially isolated but yearns to be in the crowd






3. What component of the ETC is inhibited by the following? - CO






4. Name the four right - to - left congenital cardiac shunts.






5. Name the area of the cerebral cortex affected by the description of the effects - symptoms - and results of the lesion - Dysphoria - irritability - musical and visual abilities decreased






6. What is the DOC for the following protozoal infections? - Giardiasis






7. What hormone controls relaxation of the lower esophageal sphincter during swallowing?






8. What bacterium found in poorly preserved canned food causes flaccid paralysis?






9. Are the following conditions associated with a negative or positive nitrogen balance? - Kwashiorkor






10. What bone houses the ulnar groove?






11. What is the most common one? - Cardiac tumor






12. What type of drug elimination is characterized by the following? - Elimination independent of plasma concentration; constant amount eliminated per unit time; no fixed half - life






13. Initiates rhythmic contractions associated with labor.






14. What is the primary target for the action of glucagon?






15. Name the compartment of the lower extremity and the nerve based on its movements - Extend the hip and flex the knee






16. What is the order of attachment of O2 to Hgb - binding sites in the lung? Order of release from the binding sites in the tissue?






17. What skin condition is a localized proliferation of melanocytes presenting as small - oval - light brown macules?






18. What is the most common one? - Joint affected in pseudogout






19. What cell of the male reproductive system produces testosterone?






20. ADH is secreted in response to What two stimuli?






21. Name the lung measurement based on the following descriptions: x The maximal volume inspired from FRC






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






23. What type of Plasmodium affects x Only mature RBCs?






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






25. Name the ventricular muscle membrane channel: x Always open






26. What cytokine do CD4 T cells secrete to activate B cells when the specific peptide in the groove of the MHC II molecule interacts with the TCR?






27. Name the ocular lesion; be specific - A right LGB lesion (in the thalamus)






28. What AD disease associated with chromosome 19 involves a defect in the LDL receptors that leads to skin and tendon xanthomas?






29. What are the two broad - spectrum penicillins?






30. Name the associated chromosome - Tay- Sachs disease






31. What hematologic agent is used in the treatment of intermittent claudication because it decreases blood viscosity and increases RBC membrane flexibility and stability?






32. What two CNs are responsible for the carotid body and sinus reflexes?






33. What type of jaundice is seen in Rotor's syndrome?






34. What is the most common site for an aneurysm in cerebral circulation?






35. In What trimester is the fetus most vulnerable to congenital rubella syndrome?






36. What is the most common form of dementia?

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37. What virus is associated with the Norwalk agent?






38. Which bacteria are associated with the following pigment production? - Red pigmentation






39. What antitubercular agent causes loss of red - green visual discrimination?






40. What is the only muscle of the soft palate that is innervated by CN V3?






41. Which serotypes of HPV are associated with plantar warts?






42. What type of Hgb is increased in patients with sickle cell anemia who take hydroxyurea?






43. What type of collagen is associated with the basement membrane?






44. What AR disease involves a decreased amount of sphingomyelinase - massive organomegaly - zebra bodies - and foamy histiocytes and is associated with chromosome 11p?






45. What is the costliest health care problem in the United States?






46. What muscles in the hand adduct the fingers?






47. In the classical conditioning model - when a behavior is learned - what must occur to break the probability that a response will happen?






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






49. What is the most common one? - Route of spread in pyogenic osteomyelitis






50. What disorder of bone remodeling results in thick - weak bones and is associated with high - output cardiac failure?