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. In which syndrome does a person present with intentionally produced physical ailments with the intent to assume the sick role?






2. What is the function of the arachnoid granulations?






3. What is the triad of Reiter syndrome?

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4. What type of bilirubin is found in neonatal jaundice?






5. What is the term for nonneoplastic abnormal proliferation of cell size - shape - and cellular organization?






6. What type of chromatin is transcriptionally active?






7. What liver enzyme - for triglyceride synthesis - converts glycerol to glycerol -3- phosphate?






8. What form of conditioning is defined as a new response to an old stimulus resulting in a consequence?






9. What is the most common one? - Kidney stone type






10. Name the most common type or cause - Diarrhea in children






11. What benign cardiac tumor is associated with tuberous sclerosis?






12. What is secretin's pancreatic action?






13. What component of the ETC is inhibited by the following? - Oligomycin






14. Name the macrophage based on its location: x Lung macrophages






15. What type of chromatin is transcriptionally inactive?






16. Name the antidote - Warfarin






17. What fissure of the cerebral cortex runs perpendicular to the lateral fissure and separates the frontal and the parietal lobes?






18. With what stage of sleep are bruxisms associated?






19. What cell in the heart has the highest rate of automaticity?






20. Name the antidote - Mercury






21. During what stage of B- cell development is IgM first seen on the surface?






22. What urinary metabolite is elevated in pheochromocytoma?






23. What is the only Ig that crosses the placenta?






24. What is the most common one? - Viral cause of myocarditis






25. What organism is associated with the following types of diarrhea? Diarrhea associated with raw or undercooked shellfish






26. What region of the brain houses the central chemoreceptors responsible for control of ventilation?






27. What cells of the epidermis carry the pigment melanin?






28. What tract carries unconscious proprioceptive information from the Golgi tendon organs and muscle spindles to the cerebellum - helping monitor and modulate muscle movements?






29. What is the label given to an individual whose IQ is x 120 to 129






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






31. What abdominal muscle runs in a posteroinferior direction - splits to contribute to the rectus sheath - contributes to the formation of the conjoint tendon - and in men gives rise to the middle spermatic fascia and the cremasteric muscle of the sperm






32. What is the most common chromosomal disorder?






33. What cell converts androgens to estrogens?






34. How does ventricular depolarization take place - base to apex or vice versa?






35. With What thoracic vertebra or vertebrae does rib 7 articulate?






36. What IL - produced by macrophages - is chemotactic for neutrophils?






37. Name the structure that enters or exits the following foramina: x Foramen rotundum






38. What disease caused by decompression sickness leads to multiple foci of ischemic necrosis that affect the head of the femur - humerus - and tibia?






39. What IL is important in myeloid cell development?






40. What commonly encountered overdose produces headache - tinnitus - respiratory alkalosis - metabolic acidosis - confusion - vomiting - and tachypnea?






41. What disorder is associated with spider angiomas - palmar erythema - gynecomastia - testicular atrophy - encephalopathy - abnormalities in clotting factors - and portal HTN?






42. If a sample of DNA has 30% T - What is the percent of C?

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43. What is the name of the B cell - rich area of the spleen?






44. In what rare AR disorder do you see neutropenia - defective degranulation - and delayed microbial killing due to a problem in chemotaxis and migration?






45. What is the most widely used class of antidepressants?






46. What vitamin deficiency may result in sideroblastic anemia?






47. What is the term for the number of new events occurring in a population divided by the population at risk?






48. What type of jaundice is seen in Dubin - Johnson syndrome?






49. What phase of the cell cycle are the following antineoplastic agents specific for? - Vincristine






50. What is the term for how well a drug produces its desired response?