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 wave is the cause of the following venous pulse deflections? - The rise in right atrial pressure secondary to blood filling and terminating when the tricuspid valves opens






2. What family do the following viruses belong to? - RSV






3. Which antihyperlipidemic agent would you not prescribe for a patient with a history of gout or PUD?






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






5. What organ is responsible for the elimination of excess nitrogen from the body?






6. What vessels in the systemic circulation have the greatest and slowest velocity?






7. Which gram - negative diplococcus ferments maltose?






8. What is the triad of NPH?






9. What is the most common one? - Tumor arising within the bone






10. What hormone causes contractions of smooth muscle - regulates interdigestive motility - and prepares the intestine for the next meal?






11. If no fertilization occurs - How many days after ovulation does the corpus luteum begin to degenerate?






12. What is the greatest component of lung recoil?






13. What does prepubertal hypersecretion of growth hormone lead to?






14. 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?






15. A suspected dermatophyte infection is stained with KOH. What spore type do you expect to see?






16. What type of mortality rate is defined as the number of deaths x In the population?






17. Where does most circulating plasma epinephrine originate?






18. Name the most common type or cause - Subacute bacterial endocarditis






19. What three structures are in contact with the left colic flexure? With the right colic flexure?






20. What intrauterine deficiency leads to failure to thrive - mental retardation - motor incoordination - and stunted growth?






21. Name the primary vesicle the following structures are derived from (proencephalon - mesencephalon - or rhombencephalon) - Diencephalon






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






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






24. Which muscles of the eye are under parasympathetic control?






25. Name three purine bases that are not found in nucleic acids.






26. How many kilocalories per gram are produced from the degradation of fat? CHO? Protein?






27. What type of spore is asexual and formed of hyphae?






28. Name the cancer associated with the following tumor markers. (Some may have more than one answer.) x CA-19.9 and CEA






29. What is the most common one? - Proliferative abnormality of an internal organ






30. What protein catalyzes the formation of the last PDE bond between the Okazaki fragments to produce a continuous strand?






31. Bence - Jones proteinuria






32. What IL is important in myeloid cell development?






33. Name the cancer associated with the following chemical agents. (Some may have more than one answer.) x Asbestos






34. What is the term for the same results achieved again on testing a subject a second or third time?






35. Name the lung measurement based on the following descriptions: x Volume in the lungs at the end of passive expiration






36. What embryonic structure forms the adult male structure? - Testes - seminiferous tubules - and rete testes






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






38. Can advance directives be oral?






39. What is the term for a reversible change in one cell type to another?






40. Damage to what nerve will give you winged scapula?






41. What glycoprotein allows platelets to adhere to each other through the use of fibrinogen?






42. Aroused EEG pattern (fast low voltage and desynchronization) - saccadic eye movements - ability to dream - and sexual arousal are all associated with what general pattern of sleep?






43. What is the term for osteophyte formation at the proximal interphalangeal (PIP) joints in osteoarthritis? In the distal interphalangeal (DIP) joints?






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






45. With a decrease in arterial diastolic pressure - what happens to x Heart rate?






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






47. What is the most common one? - Solid tumor in the body






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






49. What judgment states that the decision - by rights of autonomy and privacy - belongs to the patient - but if the patient is incompetent to decide - the medical decision is based on subjective wishes?






50. What is the ratio of T4:T3 secretion from the thyroid gland?