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. What disorder is associated with loss of polarity - anaplasia - pleomorphism - discohesiveness - increase in the nuclear:cytoplasmic ratio - hyperchromasia - and increase in the rate of mitosis?






2. What is the term for the amount of blood in the ventricle after maximal contraction?






3. What statistical test compares the means of many groups (>2) of a single nominal variable by using an interval variable?






4. What is the most common one? - Congenital heart defect in adults






5. Name the type of hypersensitivity reaction based on the following properties - IgG or IgM Abs against a specific target cell or tissue; complement - dependent or ADCC.






6. If the pH is low with increased CO2 levels and decreased HCO3- levels - What is the acid - base disturbance?






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






8. What is the term to describe how easily a vessel stretches?






9. How is the eye affected by use of opioids?






10. After a longstanding left - to - right shunt reverses - causing cyanosis - and becomes a right - to - left shunt - What is it termed?


11. Have catalase.






12. Where is the most frequent site of ectopic pregnancy?






13. What is the renal compensation mechanism for alkalosis?






14. Bloody tap on lumbar puncture






15. Name the most common type or cause - UTIs






16. In regard to motor development during infancy - choose the motor response that happens first - Palms up or down






17. What is the name of RER in neurons?






18. What are the adult remnants of the following structures? - Ductus venosus






19. Name the area of the cerebral cortex affected by the description of the effects - symptoms - and results of the lesion - Denies being blind - cortical blindness


20. What inflammatory bowel disorder is continuous - with extensive ulcerations and pseudopolyps - and is associated with HLA- B27?






21. In what form are triglycerides sent to adipose tissue from the liver?






22. What adrenal enzyme deficiency results in hypertension - hypernatremia - and virilization?






23. With what stage of sleep are night terrors associated?






24. What type of estrogen is produced in peripheral tissues from androgens?






25. Are the following major or minor Jones criteria of rheumatic fever? - Migratory polyarthritis






26. What water - soluble - vitamin deficiency may result from eating raw eggs?






27. Results in vitamin B12 deficiencies.






28. With which CN are preganglionic parasympathetic axons arising from the Edinger - Westphal nucleus associated?






29. What diseases are associated with the HLA- DR3 allele


30. What Ag is needed to diagnose an infectious patient with hepatitis B?






31. What component of an ECG is associated with the following? - Ventricular depolarization






32. What Vi - encapsulated gram - negative motile anaerobic rod that produces H2S is associated with enteric fever - gastroenteritis - and septicemia?






33. On the venous pressure curve - What do the following waves represent? - V wave?






34. Which bacteriostatic drug whose major side effect is the lepra reaction inhibits folic acid synthesis?






35. Is used to detect Abs in a patient?






36. Name the end product or products: x Fatty acid oxidation






37. What Brodmann area is associated with x Primary auditory cortex?






38. A tropical fish enthusiast has granulomatous lesions and cellulitis; What is the most likely offending organism?






39. What seronegative spondyloarthropathy is seen in HLA- B27- positive young females and presents with the triad of conjunctivitis - urethritis - and arthritis affecting the knees and ankles?






40. What nucleus supplies the preganglionic parasympathetic fibers to the ciliary ganglion?






41. What vitamin deficiency is evidenced by poor wound healing - loose teeth - bleeding gums - petechiae - and ecchymosis?






42. What is the term for the difference between systolic and diastolic pressures?






43. Name the associated chromosome - Down syndrome






44. Early menses - late menopause - history of breast cancer - obesity - and multiparity.






45. What Brodmann area is associated with x Primary somatosensory cortex?






46. What cerebral lobes are most commonly affected in herpes encephalitis?






47. What lysosomal enzyme is deficient in x Gaucher's disease?






48. What X- linked recessive disorder that is due to an abnormality in the dystrophin gene - has onset by age 5 with progressive proximal muscle weakness - calf pseudohypertrophy - and elevated CPK levels?


49. Name the structure that enters or exits the following foramina: x Foramen magnum






50. What CNS tumor cells stain positive for glial fibrillary acidic protein (GFAP)?