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. How do delusions - illusions - and hallucinations differ?






2. Name the antimicrobial agent whose major side effect is listed - Grey baby syndrome






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






4. What mineral - via excessive depositions in the liver - causes hemochromatosis?






5. Are two different receptors with two different agonists characteristic of pharmacologic or physiologic antagonism?






6. Innervate the striated muscle of the bulbospongiosus and ischiocavernous muscles and result in ejaculation of semen.






7. Describe What type of fluid is either gained or lost with the following changes in body hydration for the ECF volume - ICF volume - and body osmolarity - respectively: x ECF - increase; ICF - decrease; body - increase






8. What is the site of action for carbonic anhydrase inhibitors?






9. What are the three exceptions to the rule of codominant gene expression?






10. What cytokines do Th2 cells secrete to inhibit Th1 cell function?






11. What is the most common one? - Pancreatic islet cell tumor






12. What encapsulated gram - negative - lactose - fermenting rod is associated with pneumonia in patients with alcoholism - diabetes - and chronic lung disease?






13. What is the vector of African sleeping sickness?






14. Rheumatic fever most commonly follows pharyngeal infections with what bacteria?






15. What is the most common chromosomal disorder?






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






17. What artery travels with the following veins? - Small cardiac vein






18. What pathophysiologic disorder is characterized by the following changes in cortisol and ACTH? - Cortisol decreased - ACTH increased

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


19. What enzyme catalyzes the covalent bonding of the AA's carboxyl group to the 3' end of tRNA?






20. In skeletal muscle ________ is an active event.






21. What is the vector for Chagas disease?






22. What are the first intermediate hosts for trematodes?






23. Describe What type of fluid is either gained or lost with the following changes in body hydration for the ECF volume - ICF volume - and body osmolarity - respectively: x ECF - decrease; ICF - no change; body - no change






24. Outburst to cover up true feelings (emotion is covered - not redirected).






25. Name the AD disease associated with chromosome 15 in which the patient has long extremities - lax joints - pigeon chest - and posterior mitral leaflet prolapse and is prone to developing dissecting aortic aneurysm.






26. Regarding the Lac operon - for What do the following genes code? - Z gene






27. What is the name of the process in which cells migrate toward an attractant along a concentration gradient?






28. What hematologic agent is used in the treatment of intermittent claudication because it decreases blood viscosity and increases RBC membrane flexibility and stability?






29. What is the DOC for the treatment of the late phase response in an asthmatic attack?






30. What highly undifferentiated aggressive CNS tumor of primordial neuroglial origin develops in children and is associated with pseudorosettes?






31. What is the term to describe a man who has x The ability to have an erection sometimes and other times not?






32. At What age does a child develop x Endogenous smile?






33. What structure or structures cross the diaphragm at x T12 level?






34. What somatoform disorder is described as x Unrealistic negative opinion of personal appearance - seeing self as ugly?






35. What is the term for drug removal per unit of time in a given volume of blood?






36. With what stage of sleep are nightmares associated?






37. What are the adult remnants of the following structures? - Right and left umbilical arteries






38. What type of GN occurs most commonly in children after a pharyngeal or skin infection; is immune complex- mediated; and is seen as lumpy- bumpy subepithelial deposits?






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






40. What muscle or muscles are innervated by the following nerves? - Upper subscapularis nerve






41. What happens to dopamine levels when we awaken?






42. How many pairs of spinal nerves are associated with x Coccygeal vertebrae?






43. Which two antipsychotic drugs create a high risk for developing extrapyramidal syndrome (EPS) side effects?






44. Which sedative - hypnotic is contraindicated for patients taking warfarin?






45. Name the compartment of the mediastinum associated with the following thoracic structures: Thymus






46. What form of antimicrobial therapy is best for an immunocompromised patient?






47. What operant conditioning therapy or modification is described as x Reinforcing successive attempts that lead to the desired goal (gradual improvement)?






48. Which type of hepatitis is a picornavirus?






49. Does being a female physician increase or decrease the risk of suicide?






50. Movement disorders are associated with what dopamine pathway (What part of the brain)?