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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 area of the cerebral cortex affected by the description of the effects - symptoms - and results of the lesion - Denies being blind - cortical blindness

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






3. What Beta2- agonist is used as a prophylactic agent in the treatment of asthma?






4. What eukaryotic translation enzyme is associated with the following: x Termination






5. What adrenergic receptors use inositol triphosphate (IP3) and diacylglycerol (DAG) for their second messenger system?






6. Name the most common reported STD - In males






7. What two drugs block dopa - decarboxylase in the periphery to decrease the conversion of L- dopa to dopamine?






8. Name the cancer associated with the following oncogenes. (Some may have more than one answer) x Ki - ras






9. What are the nonoxidative enzymes of the HMP shunt? Are the reactions they catalyze reversible or irreversible?






10. What happens to V/Q ratio if a thrombus is lodged in the pulmonary artery?






11. What factors are needed for elongation in prokaryotes?






12. Where is the most frequent site of ectopic pregnancy?






13. What is the primary predisposing factor for vascular dementia?






14. A 30-year - old woman goes to your office with bilateral multiple breast nodules that vary with menstruation and have cyclical pain and engorgement. What is your diagnosis?






15. What elongation factor is inactivated by ADP ribosylation - preventing translation?






16. Name the area of the cerebral cortex with the function described: x Motivation - memory - emotions - violent behaviors - sociosexual behaviors - conditioned responses






17. Have catalase.






18. Name the six vitamin K- dependent coagulation factors.






19. What enzyme does HIV use to integrate the proviral dsDNA into the host?






20. Which direction does the uvula deviate in a left vagus nerve lesion?






21. What are the two reasons for megaloblastic anemia with elevated MCV?






22. What artificial sweetener must patients with PKU avoid?






23. What form of poisoning is associated with bitter almond - scented breath?






24. What are the two precursors of heme?






25. What stage of male development is characterized by the following LH and testosterone levels? - Decreased testosterone production is accompanied by an increase in LH production.






26. In prokaryotes - What is the name of the RNA sequence that ribosomes bind to so translation can occur?






27. What AA is a precursor of the following substances? - NAD






28. What is the term for a large VSD that leads to pulmonary HTN - RVH - and cyanosis due to right - to - left reversal of the shunt?






29. Name these cluster A personality disorders: x Baseline mistrust; carries grudges; afraid to open up; uses projection as defense mechanism; lacks hallucinations or delusions






30. What three bacteria are positive to quellung reactive test?






31. Which tetracycline is used in the treatment of SIADH?






32. What is the MCC of death in black males aged 15 to 24?






33. What is the term for diffusion of water across a semipermeable or selectively permeable membrane?






34. What cestode causes cysticercosis?






35. What is the only encapsulated fungal pathogen?






36. Can you tell which drug is more toxic based on therapeutic indices alone?






37. Which mycoplasma species is associated with urethritis - prostatitis - and renal calculi?






38. What hormone level increases in the first 3 hours of sleep?






39. Name the DNA virus: x Circular dsDNA; naked; icosahedral; replicates in the nucleus






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






41. Is derived from the ventral wall of the foregut.






42. What is the most common one? - Pituitary adenoma






43. Has no underlying pathology.

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44. As what AAs do muscles send nitrogen to the liver?






45. Name the correct artery - The left recurrent laryngeal nerve passes around it.






46. Which virus is treated with the monoclonal antibody palivizumab?






47. What is the term for thickened - hyperpigmented skin in the axillae - groin - and skin folds associated with malignancies - obesity - and DM?






48. What IV- only agent inhibits water reabsorption in the PCTs and is used to treat increased intracranial pressure - increased intraocular pressure - and acute renal failure?






49. Name the most common type or cause - Meningitis in adults






50. At What age does IQ stabilize?







Sorry!:) No result found.

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