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 microaerophile is a motile gram - negative curved rod with polar flagella that causes infectious diarrhea at low doses (<500)?






2. If you report a suspected case of child abuse and are wrong - are you protected from legal liability?






3. Aschoff bodies






4. What enzyme is deficient in patients with CGD?






5. What type II hypersensitivity disorder is defined as x Autoantibodies directed against the TSH receptor?






6. What is the only DNA virus that does not replicate its DNA in the nucleus of the host cell?






7. What has occurred to the renal arterioles based on the following changes in the GFR - RPF - FF - and glomerular capillary pressure? - GFR ? - RPF ? - FF ? - capillary pressure ?






8. Name the most common type or cause - Chancre






9. Progesterone has __________ activities.






10. What is the drug of choice for hypertensive patients with a decreased renal function?






11. What are the two MCC of acute epididymitis in males? - More than 35 years old






12. What is the first Ab a baby makes?






13. What are the adult remnants of the following structures? - Left umbilical vein






14. What disease is a cavitation of the spinal cord causing bilateral loss of pain and temperature at the level of the lesion?






15. What substrate gets built up in Gaucher's disease?






16. What term describes the volume of plasma From which a substance is removed over time?






17. What form of diabetes insipidus is due to an insufficient amount of ADH for the renal collecting ducts?






18. Acts as the vertebral body of C1 allowing lateral rotation of the head. The first cervical vertebra has no vertebral body.






19. What are the five F's associated with gallstones?






20. Which diuretic is used as an adrenal steroid antagonist?






21. What is the size of the prokaryotic ribosome?






22. Name the associated chromosome - Niemann - Pick disease






23. What testicular tumor of infancy is characterized by elevated - fetoprotein levels and Schiller - Duval bodies?






24. What subtype of schizophrenia is characterized by x Stuporous mute echopraxia and automatic obedience - waxy flexibility with rigidity of posture?






25. Name the area of the cerebral cortex with the function described: x Recall of objects - distances - and scenes; visual input processed here






26. What disorder of aldosterone secretion is characterized by x Increased total body sodium - ECF volume - plasma volume - BP - and pH; decreased potassium - renin and AT II activity; no edema?






27. 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?






28. A patient goes to the ER with signs and symptoms of biliary colic. Which opioid analgesic do you choose?






29. Can advance directives be oral?






30. Movement disorders are associated with what dopamine pathway (What part of the brain)?






31. Which of the following is not part of the conducting portion of the respiratory system: trachea - bronchi - alveoli - or larynx?






32. What is the relationship between ventilation and PCO2 levels?






33. Which PG is associated with maintaining a PDA?






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






35. What pathology is associated with deposition of calcium pyrophosphate in patients older than 50 years?






36. What is the best measure of total body vitamin D if you suspect a deficiency?






37. Schiller - Duval bodies






38. Which IL increases IgA synthesis?






39. Blue - domed cysts






40. What is the most common one? - Pituitary adenoma






41. Name the most common type or cause - Restrictive cardiomyopathy






42. Is DM a contraindication to use of a Beta- blocker in a patient who is having an MI?






43. What lysosomal enzyme is deficient in x Tay- Sachs disease?






44. What type of bilirubin is found in neonatal jaundice?






45. 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?






46. During What embryonic week does the intraembryonic coelom form?






47. Name the compartment of the mediastinum associated with the following thoracic structures: Brachiocephalic vein






48. Are the following responses associated with histamines H1 or H2 receptor activation? - Edema






49. What are the five pieces of information considered necessary for fully informed consent?


50. What slow - growing CNS tumor in 30- to 50-year - old patients with a long history of seizures has fried egg cellular appearance in a network of chicken wire?