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. Which form of alcohol toxicity results in ocular damage?






2. Which way will the O2 dissociation curve shift with the addition of 2 - 3- bisphosphoglycerate (2 - 3- BPG) to adult hemoglobin (Hgb)?






3. In What area of the brain can an excess of dopamine lead to psychotic symptoms?






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






5. What form of antimicrobial therapy is best for an immunocompromised patient?






6. Why is there a transcellular shift in K+ levels in a diabetic patient who becomes acidotic?






7. What renal calculus is associated with urea - splitting bacteria?






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






9. Name the antimicrobial agent whose major side effect is listed - Dental staining in children






10. What part of the inner ear contains the gravity receptors for changes in the position of the head?






11. What is the only pharyngeal muscle not innervated by CN X?






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






13. What pituitary hormone is inhibited during sleep?






14. What small gram - negative aerobic rod requires Regan - Lowe or Bordet - Gengou medium for growth?






15. What coronary artery vasculitis is seen in Japanese infants and children less than 4 years old with acute febrile illness - conjunctivitis - maculopapular rash - and lymphadenopathy?






16. Are the following parameters associated with an obstructive or restrictive lung disorder: decreased FEV1 - FVC - peak flow - and FEV1/FVC; increased TLC - FRC - and RV?






17. To What does failure to resolve separation anxiety lead?






18. On the right lung the ___________ divides the middle from the inferior lobe and the horizontal fissure further divides the middle from the upper lobe. On the left the oblique divides the superior from the inferior lobe.






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






20. Name the stages of sleep with these EEG patterns: x Disappearance of alpha waves - appearance of theta waves






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






22. What enzyme catalyzes the rate - limiting step in heme synthesis?






23. Name the lung measurement based on the following descriptions: x The amount of air that enters or leaves the lung system in a single breath






24. What type of erythema do you see in x Stevens - Johnson syndrome?






25. What facultative gram - negative anaerobic rod is motile - ferments lactose - and is the MCC of UTIs?






26. What is the titratable acid form of H+ in the urine?






27. Name these narcissistic defense mechanisms: x Person takes his or her own feelings - beliefs - wishes - and so on and thinks they are someone else's. (e.g. - a cheating man thinks his wife is unfaithful)






28. When the results of a test are compared to findings for a normative group - what form of reference does the objective test use?






29. Do you monitor heparin's therapeutic levels by PT or PTT?






30. 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?






31. What chemical can be dangerous if you work in the aerospace industry or in nuclear plants?






32. What percentage of the bone marrow must be composed of blast for leukemia to be considered?






33. Name the type of necrosis - Soft - friable - cottage - cheese appearing; characteristically seen in TB






34. What enzyme is deficient in the following glycogen storage disease? - Pompe's disease






35. What segment of the gastrointestinal tract lacks villi - has crypts - and actively transports sodium out of its lumen?






36. What are the only two picornaviruses that do not lead to aseptic meningitis?






37. Name the most common type or cause - Pulmonary HTN in children






38. What basic reflex regulates muscle tone by contracting muscles in response to stretch of that muscle?






39. What scale separates things into groups without defining the relationship between them?






40. What type of PUD is classically described by the onset of burning epigastric pain 1 to 3 hours after eating that is relieved by food?






41. What is the term for cytoplasmic remnants of RNA in RBCs - seen in lead poisoning?






42. In what form is excess folate stored in the body?






43. Where in the body is heme converted to bilirubin?






44. What are the two functions of the thymus in T- cell differentiation?






45. What tumor is seen in the 2- to 4-year - old age group; does not cross the midline; has immature glomeruli - tubules - and stroma; and metastasizes late to the lungs?






46. What three cephalosporins can produce disulfiram - like reactions?






47. When a person goes from supine to standing - what happens to the following? - Cardiac output






48. By What age should children be able to draw the following figures? - Cross






49. In a skeletal muscle fiber - the interior of the T- tubule is...






50. Which major cell type is found in the red pulp of the spleen?