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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 the syndrome consisting of hepatomegaly - ascites - and abdominal pain due to hepatic vein thrombosis?






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






3. At What age does IQ stabilize?






4. Four - fifths of those who attempt suicide first...






5. What adrenal enzyme deficiency can be summed up as a mineralocorticoid deficiency - glucocorticoid deficiency - and an excess of adrenal androgens?






6. What structure of a protein describes the interaction among subunits?






7. What region of the nephron has the highest osmolarity?






8. What has occurred to the renal arterioles based on the following changes in the GFR - RPF - FF - and glomerular capillary pressure? - GFR ? - RPF ? - FF normal - capillary pressure ?






9. What form of oxidation takes place with the addition of a water molecule and breakage of bonds?






10. At the base of the lung - What is the baseline intrapleural pressure - and what force does it exert on the alveoli?






11. What percent of unwed mothers are teenagers?






12. How many pairs of spinal nerves exit from the spinal cord?






13. What is the most common one? - Primary malignant tumor of the female genital tract in the United States






14. On the venous pressure curve - What do the following waves represent? - V wave?






15. Does light or darkness regulate the pineal gland?






16. What happens to free hormone levels when the liver decreases production and release of binding proteins?






17. What segment of the gastrointestinal tract lacks villi - has crypts - and actively transports sodium out of its lumen?






18. When a drug is administered orally and enters into portal circulation - it undergoes hepatic metabolism. What is the name of this effect?






19. Name the type of hypersensitivity reaction based on the following properties - IgG or IgM Abs against a specific target cell or tissue; complement - dependent or ADCC.






20. What is the term to describe how easily a vessel stretches?






21. Describe the organism based on the following information: x Beta - hemolytic Streptococcus sensitive to bacitracin






22. What is the name of the postganglionic parasympathetic ganglion that innervates x The papillary sphincter and ciliary muscle of the eye?






23. Name the DNA virus: x Linear dsDNA; naked; replicates in the nucleus






24. In a topographical arrangement of the cerebellar homunculus map - What area or lobe x Controls balance and eye movements?






25. Which phenotype of osteogenesis imperfecta is incompatible with life?






26. To what host cell receptor does the rabies virus attach?






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






28. Name the most common one - Chromosomal disorder involving sex chromosomes






29. What rate is indicated by 1- specificity?






30. What is the term for fibrinoid necrosis of the arterioles in the kidney secondary to malignant hypertension?






31. What foramen must be traversed for entry into the lesser peritoneal sac?






32. How are drugs that are excreted via the biliary system resorbed by the GI tract?






33. Why should opioid analgesics be avoided for patients with head trauma?






34. What syndrome is characterized by sweating - insomnia - nausea - diarrhea - cramps - delirium - and general restlessness secondary to MAOI and SSRI in combination?






35. What AA is classified as basic even though its pK is 6.5 to 7?






36. What is the most common one? - Tumor on sun - exposed sites






37. What two glycolytic enzymes catalyze the substrate - level phosphorylations?






38. What is the only CN nucleus found in the cervical spinal cord?






39. What phobia is described as the fear of open spaces?






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






41. When a person goes from supine to standing - what happens to the following? - Cardiac output






42. What are the five Ig isotypes?






43. What is the term for the dementia characterized by decremental or patchy deterioration in cognitive function due to a cerebrovascular accident?






44. Which drug is used to treat opioid withdrawal - ADHD - and sometimes Tourette's syndrome?






45. What cells of the thyroid gland are stimulated in response to hypercalcemia?






46. Name the type of exudate - given the following examples - Rickettsial infection






47. What is the DOC for blastomycoses and sporotrichoses?






48. Is T3 or T4 responsible for the negative feedback loop on to the hypothalamus and anterior pituitary gland?






49. What is the most common lethal AR disorder affecting white Americans?






50. What is the term for the total percentage of correct answers selected on a screening test?