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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. What are the pharmacologic effects seen sexually with x a1- Blockers?






2. What is the term for panhypopituitarism secondary to ischemic necrosis and hypotension postpartum?






3. What paraphilia is defined as x Combining sex with defecation?






4. Anhedonia - lack of motivation - feelings of worthlessness - decreased sex drive - insomnia - and recurrent thoughts for at least 2 weeks - representing a change from previous level of function - describes what disorder?






5. What is the name of bilateral flaccid paralysis - hyporeflexia - and hypotonia due to a viral infection of the ventral horn of the spinal cord?






6. Which IL increases IgA synthesis?






7. What lymphoid organ is characterized by germinal centers - plasma cells that secrete IgA - and no encapsulation?


8. What are the three rules of clonal selection?






9. Senile plaques






10. What are the adult remnants of the following structures? - Foramen ovale






11. Are the following conditions associated with a negative or positive nitrogen balance? - Growth






12. What diseases are associated with the HLA- DR3 allele


13. What lower extremity nerve is described by the following motor loss? - Loss of adduction of the thigh






14. What area of the retina consists of only cones and has the greatest visual acuity?






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






16. What is the site of action of the following? - K+- sparing diuretics






17. What factors are needed for elongation in prokaryotes?






18. What projective test asks the patient to tell a story about What is going on in the pictures - evaluating the conflicts - drives - and emotions of the individual?






19. Where do adult tapeworms develop - in the intermediate or definitive host?






20. What is the most common one? - Testicular tumor in men over 50 years old






21. Calf pseudohypertrophy






22. What is the MCC of death in children aged 1 to 14 in the United States?






23. What is the most common causative organism of acne vulgaris?






24. What Ab is an indication of recurrent disease for hepatitis?






25. What potentially fatal disease occurs in children who are given aspirin during a viral illness?






26. What is the term for having fantasies or dressing in female clothes for sexual arousal by heterosexual men?






27. What AR CNS disorder presents early in childhood with gait ataxia - loss of deep tendon reflexes - impaired vibratory sensation - hand clumsiness - and loss of position sense?






28. What complement factor or factors are associated with x Membrane attack complex (MAC)?






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






30. Shuffling gait - cogwheel rigidity - masklike facies - pill - rolling tremor - and bradykinesia describe what form of dementia?


31. What case is known as 'let nature take its course'?






32. Name the antidote - Cyanide






33. What is the most serious form of tinea capitis - which results in permanent hair loss and is highly contagious?






34. Name the MCC - Aspiration pneumonia in an alcoholic






35. What are the three causes of transudate?






36. What form of bilirubin is carried on albumin?






37. What hormones are produced in the median eminence region of the hypothalamus and the posterior pituitary gland?






38. What would be the result if an Ab were cleaved with papain?






39. What is the term for normal cellular genes associated with growth and differentiation?






40. What result occurs because of the negative alveolar pressure generated during inspiration?






41. What lysosomal enzyme is deficient in x Tay- Sachs disease?






42. What type of Plasmodium affects x Only reticulocytes?






43. What Ig is the major protective factor in colostrum?






44. What deep cerebellar nuclei receive Purkinje cell projections in x The intermediate hemispheres?






45. Name the thalamic nucleus based on its input and output - Input from the trigeminal pathways; output to primary somatosensory cortex of the parietal lobe






46. What CN is associated with the sensory innervation of x Laryngopharynx?






47. What genus is known as the smallest free living bacteria? (hint: has no cell wall and has sterols in the membrane)






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






49. What is the only diuretic that works on the blood side of the nephron?






50. Name the form of spina bifida - Meninges and spinal cord project through a vertebral defect