Test your basic knowledge |

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. Have analgesic - antipyretic - anti - inflammatory - and antiplatelet activities.






2. What encapsulated lymphoid organ is characterized by presence of Hassall's corpuscles - and absence of germinal centers and B cells?






3. What rare form of dementia is associated with personality changes and affects the frontal and temporal lobes?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


4. What is the effect of insulin on intracellular K+ stores?






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






6. What is the second leading cause of death in the United States?






7. What CN carries preganglionic parasympathetic fibers that innervate the viscera of the neck - thorax - foregut - and midgut?






8. What four branches of the brachial plexus arise prior to the first rib?






9. What are the two leading causes of cancer - related death in women?






10. Name the phase of the ventricular muscle action potential based on the following information: x Slow channels open - allowing calcium influx; voltage - gated potassium channels closed; potassium efflux through ungated channels; plateau stage






11. What syndrome is associated with the following brainstem lesions? - Contralateral corticospinal and medial lemniscus tract deficits and an ipsilatera medial strabismus secondary to a lesion in CN VI






12. What drug is given transdermally for chronic pain but can cause chest wall rigidity if given IV?






13. T3 increases bone ossification through synergistic effect with what hormone?






14. In a ventricular pacemaker cell - what phase of the action potential is affected by ACh?






15. What form of estrogen is of placental origin?






16. What are the five effects of insulin on fat metabolism?






17. What microaerophile is a motile gram - negative curved rod with polar flagella that causes infectious diarrhea at low doses (<500)?






18. Name the macrophage based on its location: x Connective tissue macrophages






19. What is the name of the T cell - rich area of the lymph node?






20. What is the most superficial layer of the epidermis?






21. Is a nicotinic receptor agonist.






22. What nerves carry the sensory and motor components of the blink reflex?






23. What part of a neuron receives information?






24. What gluconeogenic enzyme is absent in muscle - accounting for its inability to use glycogen as a source for blood glucose?






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






26. If the AV difference is positive - is the substance extracted or produced by the organ?






27. Heinz bodies






28. What is the name of the postganglionic parasympathetic ganglion that innervates x The parotid gland?






29. What mosquito is the vector for dengue fever?






30. What is the term for the pH range where the dissociation of H+ occurs?






31. Can parents withhold treatment from their children?






32. What three steps of the TCA cycle generate NADH?






33. Name the most common type or cause - Liver transplantation in adults






34. Which way will the O2 dissociation curve shift with the addition of 2 - 3- bisphosphoglycerate (2 - 3- BPG) to adult hemoglobin (Hgb)?






35. What is the triad of Reiter syndrome?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


36. In a diabetic patient - to What does aldose reductase convert glucose?






37. What are the most common causes of osteomyelitis x In drug addicts?






38. During puberty - What is the main drive for the increased GH secretion?






39. What test is used to detect anti - RBC Abs seen in hemolytic anemia?






40. What two factors result in the base of the lung being hyperperfused?






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






42. How many ATPs per glucose are generated from glycolysis in RBCs?






43. What type of crystals are associated with gout?






44. What glycoprotein allows platelets to adhere to each other through the use of fibrinogen?






45. What lipoprotein is formed if an IDL particle acquires cholesterol from a HDL particle?






46. What type of skin carcinoma occurring on sun - exposed sites has a low level of metastasis?






47. What is defined as a general estimate of the functional capacities of a human?






48. Name the type of graft described by these transplants: x From one species to another






49. What enzyme is needed to activate the following reactions? - Chymotrypsinogen to chymotrypsin






50. What statistical test - using nominal data only - checks whether two variables are independent events?