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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 DOC for the following protozoal infections? - Pneumocystis carinii pneumonia






2. What is the most common one? - Type of PUD






3. What direct - pathway basal ganglia disease is described by masklike facies - stooped posture - cogwheel rigidity - pill - rolling tremor at rest - and a gait characterized by shuffling and chasing the center of gravity?

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4. What paraphilia is defined as x Deriving sexual pleasure from being abused or in pain?






5. What benign solitary papillary growth within the lactiferous ducts of the breast commonly produces bloody nipple discharge?






6. What embryonic structure forms the adult male structure? - Gubernaculum testes






7. Which IL increases IgA synthesis?






8. What hematological malignancy is particularly likely to affect patients with Down syndrome?






9. 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






10. ______________ that slow bacterial growth are bactericidal.






11. Does PT or PTT test the extrinsic coagulation pathway?






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






13. Deposits in the oral cavity.






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






15. Which aminoglycoside is the DOC for tularemia and the bubonic plague?






16. Metformin is contraindicated in ________ because of weight gain as its side effect.






17. Name the compartment of the lower extremity and the nerve based on its movements - Flex the hip and extend the knee






18. What is the region of an axon where no myelin is found?






19. Name the most common cause - Chronic pancreatitis






20. Where do adult tapeworms develop - in the intermediate or definitive host?






21. Name the ocular lesion; be specific - A right LGB lesion (in the thalamus)






22. What is the period between going to bed and falling asleep called?






23. Which antispasmodic blocks the release of Ca 2+from the SR and is used in the treatment of malignant hyperthermia?






24. Name the structure that enters or exits the following foramina: x Hypoglossal canal






25. Call - Exner bodies






26. What viral infection is known to cause intracerebral calcifications?






27. Where are the postganglionic neuron cell bodies - the CNS or the PNS?






28. How does myelination affect conduction velocity of an action potential?






29. What are the five pieces of information considered necessary for fully informed consent?

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30. What is the term for a direct connection between the intestine and the external environment through the umbilicus because the vitelline duct persists?






31. What is the most common one? - Primary tumor of the liver






32. What dementia is associated with dilated ventricles with diffuse cortical atrophy - decreased parietal lobe blood flow - and a decrease in choline acetyl transferase activity?

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33. What two post - transcriptional enzymes in collagen synthesis require ascorbic acid to function properly?






34. What term is an index of the effort needed to expand the lungs (i.e. - overcomes recoil)?






35. What triggers phase 4 of the action potential in a ventricular pacemaker cell?






36. What tract carries the ipsilateral dorsal column fibers from the upper limbs in the spinal cord?






37. What AR disease involves a defect in AA 508 on chromosome 7 - causing a defect in Cl - transportation that leads to recurrent pulmonary infections and an increase in viscid mucoid secretions along with pancreatic insufficiencies?






38. How much dietary iodine is necessary to maintain normal thyroid hormone secretion?






39. Name the most common type or cause - Lung abscess






40. What carpal bone is most commonly fractured? Dislocated?






41. Name these cluster A personality disorders: x Odd - strange; has magical thinking; socially isolated - paranoid - lacks close friends; has incongruous affect






42. What virus is associated with body cavity large B- cell lymphomas?






43. What are the five components of portal HTN?






44. What happens to plasma concentration of a drug if there is a large volume of distribution?






45. Which type of cerebral herniation is associated with CN III palsy?






46. What are the three left - to - right shunts?






47. What potentially fatal disease occurs in children who are given aspirin during a viral illness?






48. What happens to the lung if the intrapleural pressure exceeds lung recoil?






49. What two drugs - when mixed - can lead to malignant hyperthermia?






50. What are the primary neurotransmitters at the following sites? - Chromaffin cells of the adrenal medulla