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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. When a person goes from supine to standing - what happens to the following? - Dependent venous blood volume






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






3. What myeloid disorder is characterized by dry bone marrow aspirations - splenomegaly - leukoerythroblastosis - teardrop RBCs - and hyperuricemia due to increased cell turnover?






4. Are contraindicated in patients with SCID.






5. Which class of antihypertensives is used in the treatment of BPH?






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






7. What enzyme is deficient in chronic granulomatous disease of childhood?






8. How many strains of Pneumococcus capsular polysaccharides are present in the vaccine?






9. What operant conditioning therapy or modification is described as x Having a stimulus take over the control of the behavior (unintentionally)?






10. What is the most common one? - Subtype of Hodgkin lymphoma






11. Name the type of regeneration (i.e. - labile - stable - or permanent) based on the following examples - Liver






12. What cell surface marker do all T cells have?






13. What vitamin deficiency produces homocystinuria and methylmalonic aciduria?






14. In the systemic circulation - what blood vessels have the largest pressure drop? Smallest pressure drop?






15. What structure of the knee is described thus? - Prevents adduction






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

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17. What type of fiber or fibers are carried in (answer motor - sensory - or both) x Ventral rami?






18. What is the name of the postganglionic parasympathetic ganglion that innervates x The submandibular and sublingual glands?






19. What is the binding site for RNA polymerase?






20. What AR disease involves a decreased amount of sphingomyelinase - massive organomegaly - zebra bodies - and foamy histiocytes and is associated with chromosome 11p?






21. What syndrome is associated with gastrin - producing islet cell tumor resulting in multiple intractable peptic ulcers?






22. What primary acid - base disturbance is cause by a decrease in alveolar ventilation (increasing CO2 levels) resulting in the reaction shifting to the right and increasing H+ and HCO3- levels?






23. Name the MCC - Epiglottitis in an unvaccinated child






24. What is the term for dilated veins within the spermatic cord?






25. What complement factor or factors are associated with x Membrane attack complex (MAC)?






26. Name the compartment of the lower extremity and the nerve based on its movements - Plantar flex the foot - flex the toes - and invert the foot






27. Does being a female physician increase or decrease the risk of suicide?






28. What ocular muscle x Elevates and abducts the eyeball?






29. Craniopharyngiomas are remnants of what?

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30. Only men have...






31. Name the most common type or cause - Erysipelas






32. Is a marker for increased bone formation.






33. What is the term for pupils that react normally to accommodation but have bilateral loss of constriction in response to light?






34. Who decides competency and sanity?






35. What is the size of the prokaryotic ribosome?






36. Name the cancer associated with the following oncogenes. (Some may have more than one answer) x et






37. What form of the Plasmodium species is ingested by mosquitoes?






38. What cell type of the body or fundus of the stomach secretes pepsinogen?






39. What substance is used to test platelets' response in patients with von Willebrand disease?






40. Name the area of the cerebral cortex affected by the description of the effects - symptoms - and results of the lesion - Euphoria - delusions - thought disorders - Wernicke's aphasia - auditory hallucinations (Hint: the lesion is in the left hemisph






41. What phase of the cell cycle are the following antineoplastic agents specific for? - Nitrosoureas






42. Name the most common type or cause - Nephrotic syndrome






43. What herpes virus is associated with Kaposi sarcoma?






44. Do the following structures pick up stain from hematoxylin or eosin? - Cytoplasm






45. What AA is a precursor of the following substances? - Serotonin






46. In regard to motor development during infancy - choose the motor response that happens first - Release or grasp






47. What result occurs because of the negative alveolar pressure generated during inspiration?






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






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






50. What region or regions of the adrenal cortex are stimulated by ACTH?