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. What is the most common one? - Melanoma in dark - skinned persons






2. Name the most common cause - A cold in the spring and fall






3. What vitamin is needed for the production of heme?






4. What operant conditioning therapy or modification is described as x Stopping the reinforcement that is leading to an undesired behavior?






5. Name the phase of the eukaryotic cell cycle: x Period of cellular growth (translation and transcription) after DNA synthesis






6. Name the following descriptions associated with bacterial endocarditis: x Painless hyperemic lesions on the palms and soles






7. What are the five conditions associated with normochromic normocytic anemia with a normal MCV and an elevated reticulocyte count?






8. What is the term for pelvic inflammatory disease of the fallopian tubes?






9. What is the name of depression and mania alternating within a 48- to 72- hour period?






10. If you report a suspected case of child abuse and are wrong - are you protected from legal liability?






11. Curschmann spirals






12. What organelles make ATP - have their own dsDNA - and can synthesize protein?






13. What mineral is required for cross - linking of collagen molecules into fibrils?






14. What disease is associated with the HLA- A3 allele






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






16. What operant conditioning therapy or modification is described as x Removing a reinforcement (without the patient knowing) gradually over time to stop a condition?






17. Name the most common type or cause - Meningitis in renal transplantation patients






18. What is the primary target for the action of glucagon?






19. What type of pleura is adherent to the surface of the organ?






20. Name the cluster B personality disorder: x Grandiose sense of self - importance; demands constant attention; fragile self - esteem; can be charismatic






21. What is the tetrad of tetralogy of Fallot?






22. With which DNA virus are Guarnieri bodies associated?






23. What type of jaundice is seen in Rotor's syndrome?






24. What are the three stages that children aged 7 months to 5 years go through when they are separated from a primary caregiver for a long time?






25. Do the following structures pick up stain from hematoxylin or eosin? - Calcium






26. Name the hepatitis virus based on the following information - Enveloped DNA hepadnavirus






27. What muscle of the middle ear is innervated by the mandibular division of CN V?






28. According to Freud - what facet of the psyche represents the internalized ideals and values of one's parents?






29. What statistical test compares the means of many groups (>2) of a single nominal variable by using an interval variable?






30. What are the strongest determinants of gender identity?






31. What protein allows Mycoplasma to attach to the respiratory epithelium?






32. What limb of the internal capsule is not supplied by the middle cerebral artery?






33. What is the name of violent projectile movements of a limb resulting from a lesion in the subthalamic nuclei of the basal ganglia?






34. Name the most common type or cause - Painless hematuria






35. What intrauterine deficiency leads to failure to thrive - mental retardation - motor incoordination - and stunted growth?






36. Where is the lesion that produces these symptoms when a patient is asked to look to the left? Neither eye can look left with a slow drift to the right






37. What three cephalosporins can produce disulfiram - like reactions?






38. What syndrome causes inability to concentrate - easy distractibility - apathy - and regression to an infantile suckling or grasping reflex?






39. Can committed mentally ill patients refuse medical treatment?






40. What is the most common one? - Thyroid cancer






41. What is the PO2 of aortic blood in fetal circulation?






42. Match the chromosome and haploid number with the stage of sperm development - spermatid - spermatocyte (primary or secondary) - spermatogonia (type A or B): x 46/2n (divide mitotically)






43. A urethral swab of a patient shows gram - negative diplococci in PMNs; what organism do you diagnose?






44. What enveloped RNA retrovirus infects CD4 T cells and uses the enzyme reverse transcriptase?






45. Where is tropocollagen aggregated to form a collagen fibril?






46. What is the MCC of the following meningitides? - In neonates to 3 months of age






47. What is the term for the unidirectional attraction of cells toward a chemical mediator released during inflammation?






48. What parasitic infection is associated with cholangiocarcinoma?






49. What embryonic structure forms the adult female structures? - Ovary - follicles - rete ovarii






50. Name the antidote - Warfarin