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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. Name the GLUT transporter based on the following: x Found in skeletal muscle and adipose tissues






2. In skeletal muscle ________ is an active event.






3. Name the cancer associated with the following oncogenes. (Some may have more than one answer) x erb -1






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






5. What are the four ways to increase TPR?






6. Name the area of the cerebral cortex affected by the description of the effects - symptoms - and results of the lesion - Apathy - aggression - inability to learn new material - and memory problems






7. Where are the LMN cell bodies of the corticospinal tract?






8. Name the ventricular muscle membrane channel: x Always open






9. What artery turns into the dorsalis pedis when it crosses the extensor retinaculum?






10. Are antineoplastic agents that work on actively proliferating cells schedule or dose dependent?






11. What AR disorder of copper metabolism can be characterized by Kayser - Fleischer rings - decreased ceruloplasmin levels - and increased urinary copper excretion and tissue copper levels?






12. What is the most common one? - Renal cell cancer type






13. What is the major pulmonary side effect of






14. What disorder is due to a deficiency in the enzyme glucocerebrosidase?






15. What component of the ETC is inhibited by the following? - Azide






16. What large - spore - forming - gram - positive anaerobic rod is associated with infections due to puncture wounds and trauma?






17. What is the DOC for trigeminal neuralgia?






18. What form of renal tubular reabsorption is characterized by high back leak - low affinity for substance - and absence of saturation and is surmised to be a constant percentage of a reabsorbed filtered substance?






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






20. Name the lung measurement based on the following descriptions: x The maximal volume inspired from FRC






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






22. Are the following responses associated with histamines H1 or H2 receptor activation? - SA nodal activity






23. Which hepatitis strain is a defective virus that can replicate only inside HBV- infected cells?






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






25. What hormone excess brings about abnormal glucose tolerance testing - impaired cardiac function - decreased body fat - increased body protein - prognathism - coarse facial features - and enlargements of the hands and feet?






26. What is the DOC for coccidioidomycosis?






27. What operant conditioning therapy or modification is described as x Having a stimulus take over the control of the behavior (unintentionally)?






28. What segments of the lumbosacral plexus form the following nerves? - Femoral nerve






29. Name the compartment of the mediastinum associated with the following thoracic structures: Phrenic nerve






30. What three chemical agents are associated with angiosarcomas of the liver?






31. What atypical pneumonia can be diagnosed with elevated cold agglutinin titers?






32. Increases the risk of developing squamous cell carcinoma of the penis.






33. What two veins form the portal vein?






34. What is the term for an increase in the number of cells in a tissue?






35. Name the most common type or cause - Subacute bacterial endocarditis






36. Name the associated chromosome - Niemann - Pick disease






37. Charcot - Leyden crystals






38. What three cells are essential for T- cell maturation?






39. What is the rate - limiting enzyme of glycogen synthesis?






40. In What area of the brain can an excess of dopamine lead to psychotic symptoms?






41. What cells lining the ventricles have cilia on their luminal surface to move CSF?






42. What is the size of a positive PPD test for the following? (Reactive) x Recent immigrant from India






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






44. What is the term for an inhibited female orgasm?






45. What area of the hypothalamus is responsible for recognizing an increase in body temperature and mediates the response to dissipate heat?






46. What are the two actions of calcitonin?






47. Name the most common type or cause - Pulmonary HTN in children






48. What is the triad of Wiskott - Aldrich syndrome?






49. Name the macrophage based on its location: x Epidermal macrophages






50. What molecule that is needed to trigger T cell activation is noncovalently linked to TCR?







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