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






2. What type of random controlled test is least subjective to bias?






3. How does myelination affect conduction velocity of an action potential?






4. What Brodmann area is associated with x Wernicke's area?






5. From What do catalase - superoxide dismutase - and glutathione peroxidase defend the cell?






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






7. What AR disorder is seen by age 1 to 2 with recurrent sinopulmonary infections - uncoordinated muscle movements - and dilation of the blood vessels?






8. What component of the ANS - when stimulated - results in bronchoconstriction?






9. What bile pigment is formed by the metabolism of bilirubin by intestinal bacteria - giving stool its brown color?






10. What antiviral agent blocks the attachment and penetration of influenza A virus?






11. What is the only encapsulated fungal pathogen?






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






13. What happens to cortisol levels in sleep - deprived individuals?






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






15. What agent used in the treatment of BPH and baldness is a 5- a - reductase inhibitor?






16. What ring is a weblike narrowing of the gastroesophageal junction?






17. 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 - increase; body - decrease






18. What type of personality test is the Rorschach inkblot test - objective or projective?






19. Panic attacks can be induced by __________ or carbon dioxide.






20. What urease - positive non - lactose - fermenting gram - negative rod with swarming - type motility is associated with staghorn renal calculi?






21. Name the most common cause - Blindness in the United States






22. What antihistamine is used in the treatment of serotonergic crisis?






23. Where is the action potential generated on a neuron?






24. What are the five Ig isotypes?






25. Is spousal abuse a mandatory reportable offense?






26. Which type of hepatitis is a picornavirus?






27. What is the tumor at the bifurcation of the right and left hepatic ducts?






28. What is the name for failed recanalization of the duodenum resulting in polyhydramnios - bile - containing vomitus - and a distended stomach?






29. In What area of the GI tract are water - soluble vitamins absorbed?






30. 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






31. What breast malignancy has tumor cells with a halo surrounding the nucleus and is an ulceration of the nipple and areola with crusting - fissuring - and oozing?






32. What embryonic structure forms the adult female structures? - Ovarian and round ligaments






33. Name the MCC - Pneumonia in a neutropenic burn patient






34. What enzyme is deficient in the following glycogen storage disease? - Pompe's disease






35. What pneumoconiosis is associated with exposure to the following occupations or materials? - Miners - metal grinders - and sandblasters

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


36. What phase of the cell cycle are the following antineoplastic agents specific for? - Alkylating agents






37. What cells of the kidney are extravascular chemoreceptors for decreased Na+ - Cl - - and NaCl?






38. What happens to the resistance of the system when a resistor is added in a series?






39. In the water deprivation test - does a patient with reduced urine flow have primary polydipsia or diabetes insipidus?






40. What cells of the thyroid gland are stimulated in response to hypercalcemia?






41. If one event precludes another event - their probabilities are combined By what method?






42. What small - facultative gram - negative intracellular rod's transmission is associated with unpasteurized dairy products and undulant fever?






43. Is a cause of asthma.






44. Is increased in 21-Beta- hydroxylase deficiency.






45. Name the MCC of death - In patients with cystic fibrosis






46. Which tetracycline is used to treat prostatitis because it concentrates strongly in prostatic fluid?






47. What is the MCC of cancer mortality in males and females?






48. What vessels carry deoxygenated blood into the lungs from the right ventricle?






49. What tract carries the ipsilateral dorsal column fibers from the upper limbs in the spinal cord?






50. What are known as jumping genes?