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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. What slow - growing primary CNS tumor that affects mostly females is associated with psammoma bodies?






2. What are the glycoprotein receptors that platelets and fibrinogen cross - link to when forming a thrombus?






3. What cell in the heart has the highest rate of automaticity?






4. What is the most common one? - Primary CNS tumor in children






5. How many high - energy bonds does the cycle of elongation cost?






6. Name the cluster B personality disorder: x Criminal behavior; lacking friends - reckless - and unable to conform to social norms






7. Is a cause of asthma.






8. What frontal lobe cortex is associated with organizing and planning the intellectual and emotional aspect of behavior?






9. Name the most common type or cause - Viral pneumonia leading to death






10. What hematologic malignancy is treated with the monoclonal antibody rituximab?






11. What are the three branches of the inferior mesenteric artery?






12. What is the most common disease or infection reported to the CDC?






13. Is encapsulated.






14. What hormone is characterized by the following renal effects? - Calcium reabsorption - phosphate excretion






15. Name these immature defense mechanisms: x Taking others' beliefs - thoughts - and external stimuli and making them part of the self. (Hint: if it's done consciously - it is called imitation.)






16. What type II hypersensitivity disorder is defined as x Autoantibodies directed against RBC Ag I?






17. What three lung measurements must be calculated because they cannot be measured by simple spirometry?






18. What is the only sphingolipid that contains choline and PO4?






19. What disease arises from the adrenal medulla - displaces and crosses the midline - metastasizes early - is the most common solid tumor - and is seen in the 2- to 4-year - old age group?






20. What is the only DNA virus that is not icosahedral?






21. What type of random controlled test is least subjective to bias?






22. What malignant tumor of the trophoblast causes high levels of hCG and may occur after a hydatidiform mole - abortion - or normal pregnancy?






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






24. What is the size of a positive PPD test for the following? (Reactive) x Patient with AIDS






25. What enzyme is deficient in alkaptonuria?






26. Which direction is air flowing when the intra - alveolar pressure is zero?






27. What is the term for drug removal per unit of time in a given volume of blood?






28. What artery supplies the right atrium - right ventricle - sinoatrial and atrioventricular nodes?






29. How many mature sperm are produced by one type B spermatogonium?






30. What is the most common one? - Cardiac anomaly in children






31. What CNs arise from x The pons?






32. What form of AA is found only in collagen?






33. Are eukaryotic proteins that inhibit viral replication by being virus specific.






34. What condition results from a 46XX karyotype and female internal organs with virilized external genitalia?






35. What staphylococcal species is positive for Beta - hemolysis and coagulase?






36. With which pituitary adenoma is an elevated somatomedin C level associated?






37. Name the structure that enters or exits the following foramina: x Foramen ovale






38. What deep cerebellar nuclei receive Purkinje cell projections in x The lateral cerebellar hemispheres?






39. What blotting technique uses the following for analysis? - Protein






40. What component of the ANS is responsible for movement of semen from the epididymis to the ejaculatory ducts?






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






42. What disease is associated with the HLA- DR2 and HLA- DR3 alleles






43. What AD GI neoplasia produces multiple adenomatous polyps - osteomas - fibromas - and epidural inclusion cysts?






44. What three cells are essential for T- cell differentiation in the thymus?






45. Name the macrophages by location: x Liver






46. What bone houses the ulnar groove?






47. Name the compartment of the lower extremity and the nerve based on its movements - Adduct the thigh and flex the hip






48. What three structures increase the surface area of the GI tract?






49. What is the most common one? - Kidney stone type






50. If a patient with a cerebellar lesion has nystagmus - which way is the fast component directed - toward or away from the lesion?






Can you answer 50 questions in 15 minutes?



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