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 a - blocking agent is used to treat refractory hypertension and baldness?






2. What is the precursor of all sphingolipids?






3. Where is most of the body's Ca2+ stored?






4. What inhibitor of microtubule synthesis is the drug of choice for whipworm and pinworm?






5. What enzyme of the TCA cycle catalyzes the production of the following: x GTP






6. What is the most common one? - Pituitary tumor






7. What are the three glycogenic organs?






8. What type of Ag do B cells recognize?






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






10. What is the triad of Wiskott - Aldrich syndrome?






11. What two HIV regulatory genes down - regulate MHC class I expression in the host?






12. What nerve lesion presents with ape or simian hand as its sign?






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






14. Name the stages of sleep with these EEG patterns: x Sleep spindles - K- complexes






15. Based on the following information - is the renal transplantation rejection acute - chronic - or hyperacute? - Months to years after transplantation; gradual onset of HTN - oliguria - and azotemia; seen as intimal fibrosis of the blood vessels and in






16. What is the term for tissue - based basophils?






17. What is the most common one? - Sites for abdominal aorta aneurysm






18. The ___________ of the urinary bladder and the urethra are embryologic hindgut derivatives.






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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


20. Name the most common cause - Chronic pancreatitis






21. Which streptococcal species is associated with dental caries and infective endocarditis in patients with poor oral hygiene?






22. What vitamin deficiency can result in high - output cardiac failure?






23. What lower extremity nerve is described by the following motor loss? - Loss of flexion of the knees and toes - plantarflexion - and weakened inversion






24. How many carbons do androgens have?






25. Describe What type of fluid is either gained or lost with the following changes in body hydration for the ECF volume - ICF volume - and body osmolarity - respectively: x ECF - decrease; ICF - decrease; body: increase






26. What statistical test checks to see whether the groups are different by comparing the means of two groups from a single nominal variable?






27. What are the CAGE questions?






28. What is the anatomic positioning of the right and left gastric nerve plexus of the esophagus as they pass through the diaphragm?






29. What capsular serotype is associated with Escherichia coli - induced meningitis?






30. What is the size of a positive PPD test for the following? (Reactive) x IV drug abuser






31. Would a G- C or an A- T rich dsDNA sequence have a higher melting point? Why?






32. What disease with familial mental retardation produces large - everted ears and macro - orchidism?






33. What viruses are associated with cervical carcinoma?






34. What percentage of nephrons is cortical?






35. What is the term for black pigmentation of the colon associated with laxative abuse?






36. What three muscles constitute the pes anserinus?






37. Increases the risk of developing squamous cell carcinoma of the penis.






38. Name the area of the cerebral cortex affected by the description of the effects - symptoms - and results of the lesion - Apathy - poor grooming - poor ability to think abstractly - decreased drive - poor attention span (Hint: if the lesion is in the






39. What is the most common one? - Malignant tumor in the bone of teenagers






40. What type of pleura is adherent to the surface of the organ?






41. What happens to prevalence as duration increases?






42. What signals are used to direct an enzyme to a lysosome?






43. Name at least three bacteria that use capsules to prevent immediate destruction from the host's defense system.






44. Which organism causes trench mouth?






45. Preeclampsia in the first trimester - hCG levels above 100 - 00 mIU/mL - and an enlarged bleeding uterus are clinical signs of what?






46. What is the DOC for trigeminal neuralgia?






47. Name the most common type or cause - Noniatrogenic hypothyroidism in the United States






48. What subtype of IgG does not activate complement cascade?






49. Name the antidote - Organophosphates






50. Name the ventricular muscle membrane channel: x Always open