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. T3 increases bone ossification through synergistic effect with what hormone?






2. Are white rami preganglionic or postganglionic fibers?






3. What is the MCC of the following endocarditis scenarios? - Post dental work






4. Name the muscle type based on the histological features: x Actin and myosin in sarcomeres; striated; uninuclear; gap junctions; troponin:calcium binding complex; T tubules and SR forming dyadic contacts; voltage - gated calcium channels






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






6. What DNA virus is associated with exanthem subitum (roseola)?






7. What fungus is urease positive?






8. What renal side effect is commonly seen in patients taking lithium?






9. What mixed a - antagonists are used for patients with pheochromocytoma?






10. What paraphilia is defined as x Deriving sexual pleasure from being abused or in pain?






11. What organelle is responsible for ribosomal RNA synthesis?






12. Where do sperm go for maturation?






13. What AA has a pKa of 13?






14. Which anticonvulsant is also used in the treatment of bipolar disorder and for migraine headaches?






15. What personality disorder affects 75% of the prison population?






16. What class of antimicrobial agents should be avoided in patients with a history of GPDH deficiency?






17. Cowdry type A bodies






18. Name the phase of the eukaryotic cell cycle: x Period of cellular growth (translation and transcription) before DNA synthesis






19. Name the RNA subtype based on the following: x Only type of RNA that is translated






20. What tract carries the ipsilateral dorsal column fibers from the lower limbs in the spinal cord?






21. What is the size of a positive PPD test for the following? (Reactive) x Patient with AIDS






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






23. What syndrome is characterized by the triad of renal tubular acidosis - nephrosis - and amino aciduria?






24. Anatomical and alveolar dead spaces together constitute what space?






25. What are the four characteristics of all protein - mediated transportation?






26. Name the cancer associated with the following oncogenes. (Some may have more than one answer) x CDK4






27. In What three areas of the body are sympathetics the predominant tone?






28. Name the macrophage based on its location: x Epidermal macrophages






29. Reinke crystals






30. What is the most common one? - Testicular tumor in men over 50 years old






31. What disorder is associated with jaundice - white stools - and dark urine due to biliary duct occlusion secondary to incomplete recanalization?






32. Is splenomegaly more commonly associated with intravascular or extravascular hemolysis?






33. The clearance of what substance is the gold standard of GFR?






34. What is the term for pelvic inflammatory disease of the fallopian tubes?






35. Do the following structures pick up stain from hematoxylin or eosin? - Calcium






36. In eukaryotes - What transcription factor binds to the TATA box before RNA polymerase II can bind?






37. What paraphilia is defined as x A male rubbing his genitals on a fully clothed female to achieve orgasm?






38. What is the term for the proportion of a drug that reaches systemic circulation?






39. What AR CNS disorder presents early in childhood with gait ataxia - loss of deep tendon reflexes - impaired vibratory sensation - hand clumsiness - and loss of position sense?






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






41. What is the formula to calculate IQ?






42. Name the associated chromosome - Huntington disease






43. What HIV structural gene produces GP120 and GP41?






44. What phase of Food and Drug Administration approval tests x The safety in healthy volunteers?






45. How do the corticobulbar fibres of CN VII differ from the rest of the CNs?






46. What platelet disorder is characteristically seen in children following a bout of gastroenteritis with bloody diarrhea?






47. What disorder is associated with decreased platelet count - prolonged PT and PTT - decreased fibrinogen - and increased fibrin split products (D- dimers)?






48. How many milliliters of O2 per milliliter of blood?






49. What bilateral AR disorder seen in infancy as progressive renal failure has multiple small cysts at right angles to the cortical surface?






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