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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 is the term for edema that has LDH below 200 - protein level 2.5 - and a specific gravity below 1.020?






2. What is the rate - limiting step of the following? - Cholesterol synthesis






3. What disorder is associated with decreased platelet count - prolonged PT and PTT - decreased fibrinogen - and increased fibrin split products (D- dimers)?






4. What Ab is an indication of recurrent disease for hepatitis?






5. Regarding neuroleptics - What is the relationship between potency and anticholinergic side effects?






6. Name the associated chromosome - VON Hippel - Lindau disease






7. What pulmonary disease - most commonly associated with smoking - results in enlarged - overinflated lungs owing to the destruction of the alveolar walls with diminished elastic recoil?






8. What hormone - stimulated by epinephrine - results in an increase in lipolysis?






9. What virus causes hoof - and - mouth disease?






10. Name the bony articulations of the following sites. Be specific. Elbow






11. What CNs are affected if there is a lesion in x The upper medulla?






12. What enzyme of the purine salvage pathway is deficient in the following? - Selective T- cell immunodeficiency






13. If the radius of a vessel is decreased by half - what happens to the resistance?






14. Does the direct or indirect basal ganglia pathway result in a decreased level of cortical excitation?






15. What component of the trigeminal nuclei x Receives sensory input (all but pain and temperature) from the face - scalp - dura - and the oral and nasal cavities?






16. What rate is indicated by 1- sensitivity?






17. What five pathways use SAM (S- adenosylmethionine) as the methyl donor?






18. Describe the loss for each of the following in a hemisection of the spinal cord. (Brown - S






19. What factor gets activated in the intrinsic pathway of the coagulation cascade? Extrinsic pathway?






20. The opening of what valve indicates the beginning of the ejection phase of the cardiac cycle?






21. What law states that an enlarged - palpable gallbladder is more likely due to cancer than stone obstruction?

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22. What is the term for a unit of DNA that encodes a particular protein or RNA molecule?






23. Name the most common type or cause - Nephritic syndrome in adults






24. In what stage of sleep is GH secreted?






25. What urease - producing gram - negative curved rod is associated with PUD and chronic gastritis?






26. What fungus is characterized by hypopigmented spots on the thorax - spaghetti - and - meatball KOH staining - and pityriasis or tinea versicolor?






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






28. What is the triad of Horner's syndrome?






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






30. What is the term for ejaculation before or immediately after vaginal penetration on a regular basis?






31. What tumor marker is associated with seminomas?






32. What four substances increase the rate of gluconeogenesis?






33. What subtype of IgG does not bind to staphylococcal A protein?






34. What condition results in the following CSF results? - Opening pressure 100 mm H2O; 120 WBCs (90% lymphocytes); normal glucose levels; protein 17






35. Which antihistamine is one of the DOCs for treatment of vertigo?






36. What thyroid carcinoma is associated with radiation exposure - psammoma bodies - and Orphan Annie eye nuclei?






37. With what stage of sleep are nightmares associated?






38. What family do the following viruses belong to? - Ebola






39. Name the most common type or cause - Chancre






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






41. Is masturbation considered an abnormal sexual practice?






42. Are seen in medullary carcinoma of the thyroid.






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






44. Name the associated chromosome - Chronic lymphocytic leukemia (CLL)






45. What is the name of the tumor when gastric carcinoma spreads to the ovaries?






46. Which serotypes of HPV are associated with plantar warts?






47. What DNA viral disease is associated with aplastic crisis in patients with sickle cell anemia?






48. The gallbladder functions to...






49. What component of the pelvic diaphragm forms the rectal sling (muscle of continence)?






50. What is the site of action for carbonic anhydrase inhibitors?