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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 virus is associated with the endemic form of Burkitt lymphoma?






2. What is the most common one? - Renal pathology in patients with SLE






3. What area of the female reproductive tract is lined by stratified squamous epithelium rich in |glycogen?






4. What disorder is described as having x Conscious symptoms with conscious motivation?






5. What three circumstances allow a child to be committed to institutional care?

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6. What three lung measurements must be calculated because they cannot be measured by simple spirometry?






7. Why is there an increase in FF if the GFR is decreased under sympathetic stimulation?






8. What is the name of the tumor when gastric carcinoma spreads to the ovaries?






9. The DSM- IV- TR is scored on the basis of five axes of diagnosis. In What axis would you place x Medical or physical ailments?






10. What organism is associated with the following types of diarrhea? Bloody diarrhea associated with hamburger ingestion






11. What is the only drug that does not have an intoxication?






12. What is the physiologic basis for the actions of birth control pills?






13. What respiratory center in the rostral pons has an inhibitory affect on the apneustic center?






14. Name the antidote - Copper






15. The opening of what valve indicates the beginning of the ejection phase of the cardiac cycle?






16. What are the two most common viral infections in HIV?






17. What disorder causes joint stiffness that worsens with repetitive motion - crepitus - effusions - and swelling and commonly affects the knees - hips - and spine?






18. What is the term for diffusion of water across a semipermeable or selectively permeable membrane?






19. What is the MCC of cancer mortality in males and females?






20. Name the associated chromosome - Chronic lymphocytic leukemia (CLL)






21. What chronic inflammatory WBC is associated with IgE- mediated allergic reactions and parasitic infections?






22. What CN is associated with the x Fourth pharyngeal arch?






23. What benign bone tumor is associated with Gardner syndrome?






24. Name the most common cause - Insomnia






25. What embryonic structure forms the adult female structures? - Uterine tube - uterus - cervix - and upper third of the vagina






26. What vitamin is necessary for the transfer of one amino group from a carbon skeleton to another?






27. At What age do children begin to understand the irreversibility of death?






28. What embryonic structure forms the adult male structure? - Ventral part of the penis






29. Up to How many hours post ejaculation do sperm retain their ability to fertilize the ovum?






30. What nonmotile gram - negative - non - lactose - fermenting facultative anaerobic rod uses the human colon as its only reservoir and is transmitted by fecal - oral spread?






31. What is the term for a substance secreted by a leukocyte in response to a stimulus?






32. What are five clinical signs of portal HTN?






33. Are always open.






34. What enveloped RNA retrovirus infects CD4 T cells and uses the enzyme reverse transcriptase?






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






36. What reflex increases TPR in an attempt to maintain BP during a hemorrhage?






37. What are the six substances that promote the secretion of insulin?






38. If a virus has positive sense RNA - can it be used as mRNA or is a template needed?






39. What segments of the lumbosacral plexus form the following nerves? - Tibial nerve






40. What toxin ADP- ribosylates via Gs protein to increase cAMP?






41. What is the central issue regarding the Roe vs. Wade decision (legalization of abortion)?






42. Which two negative sense RNA viruses have neuraminidase enzymes?






43. What viral infection is known to cause intracerebral calcifications?






44. What drug blocks intragranular uptake of NE?






45. What is the epithelial cell lining the nasopharynx?






46. What are the three branches of the celiac trunk?






47. What organ functions to keep blood glucose levels normal through both well - fed and fasting states and produces ketones in response to increased fatty acid oxidation?






48. What branch off the vertebral artery supplies x The cerebellum and the dorsolateral part of the medulla?






49. What is the term for the strength of association between multiple Abbinding sites and multiple antigenic determinants?






50. Name the macrophage based on its location: x Brain macrophages







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