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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 AD disease involves hyperkeratosis of the palms and soles in association with esophageal carcinoma?






2. Which trophoblast layer of the placenta remains until the end of pregnancy?






3. Which hepatitis B serology markers






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






5. What tumor marker is associated with seminomas?






6. Name the MCC - Pneumonia in an HIV- positive patient with CD4 less than 200






7. What syndrome is associated with the following brainstem lesions? - Vertebral artery or anterior spinal artery occlusion - resulting in contralateral corticospinal tract and medial lemniscus tract deficits and an ipsilateral CN XII lesion






8. What CNs are affected if there is a lesion in x The upper pons?






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






10. What cardiac reflex is characterized by stretch receptors in the right atrium - afferent and efferent limbs via the vagus nerve - and increased stretch leading to an increase in heart rate via inhibition of parasympathetic stimulation?






11. Where are the LMN cell bodies of the corticospinal tract?






12. Name the end product or products: x Fatty acid oxidation






13. What is the term for a large - immature RBC that is spherical - blue - and without a nucleus?






14. In what rare lung malignancy have 90% of patients had an occupational exposure to asbestos?






15. Is there a shift in p50 values with anemia? Polycythemia?






16. What abdominal muscle runs horizontally - contributes to the posterior rectus sheath - and contributes to form the conjoint tendon?






17. What is the most common one? Esophageal cancer in the United States






18. 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)






19. What type of hypersensitivity is a result of high circulating levels of soluble immune complexes made up of IgG or IgM Abs?






20. What form of anemia is associated with IgG Abs against Rh antigens - positive direct Coombs test - and splenomegaly?






21. Eating fava beans can produce the Mediterranean type of what deficiency?






22. What classical conditioning therapy or modification is described as x Triage of a hierarchy of fears (from least to most) - then teaching muscle relaxation techniques in the presence of those fears until the subject is not afraid anymore?






23. What Ab is an indication of low transmissibility for hepatitis?






24. What DNA virus is associated with heterophile - negative mononucleosis?






25. What enzyme catalyzes the rate - limiting step in cholesterol metabolism?






26. Which virus is treated with the monoclonal antibody palivizumab?






27. There is no hormonal control to the...






28. What water - soluble - vitamin deficiency is associated with neural tube defects in the fetus?






29. What type of bias is it when the sample population is not a true representative of the population?






30. What is the most common chromosomal abnormality associated with CLL?






31. What vitamin deficiency causes a glove - and - stocking neuropathy seen in alcoholics?






32. What AA is a precursor of the following substances? - Creatine






33. What subtype of schizophrenia is characterized by x Stuporous mute echopraxia and automatic obedience - waxy flexibility with rigidity of posture?






34. It degenerates 4 to 5 days post fertilization - and implantation occurs __ days post fertilization!






35. Name the primary vesicle the following structures are derived from (proencephalon - mesencephalon - or rhombencephalon) - Thalamus






36. What component of the trigeminal nuclei x Receives sensory input (all but pain and temperature) from the face - scalp - dura - and the oral and nasal cavities?






37. Name the type of regeneration (i.e. - labile - stable - or permanent) based on the following examples - Kidney






38. What cestode causes cysticercosis?






39. What do the following values indicate? - LD50






40. What law states that an enlarged - palpable gallbladder is more likely due to cancer than stone obstruction?

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41. Is suicidal ideation a component of normal grief?






42. What Brodmann area is associated with x Primary somatosensory cortex?






43. What structure of a protein describes the interaction among subunits?






44. What antifungal agent is used in the treatment of androgen receptor - positive cancers?






45. Blue - domed cysts






46. In What trimester is the fetus most vulnerable to congenital rubella syndrome?






47. What syndrome has loss of deep tendon reflexes - muscle weakness - and ascending paralysis preceded by a viral illness?






48. What is the name of the major chemotactic agent released from x Neutrophils?






49. What AR disorder of copper metabolism can be characterized by Kayser - Fleischer rings - decreased ceruloplasmin levels - and increased urinary copper excretion and tissue copper levels?






50. What antiviral agent is used to treat RSV - influenza A and B - Lassa fever - and hantavirus and as an adjunct to IFN- in hepatitis C?







Sorry!:) No result found.

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