USMLE Quizzes & Trivia

We all want to be confident that our doctors know what they’re talking about. One way that we make sure they know their stuff is the USMLE. The United States Medical Licensing Examination is one way that the government makes sure doctors are going to be taking good care of you.
They all have to take this test after graduation medical school, or else they can’t see patients! Do you think you have what it takes to be a doctor? Can you connect a bicuspid aortic valve to a painful, swollen knee? Do you know how to identify Salmonella typhi, how to read and understand lab results, and when to use Ivermectin? If you think you know as much as your doctor, take one of our quizzes to see how you stack up!

Questions: 25  |  Attempts: 273   |  Last updated: Nov 11, 2016
  • Sample Question
    One of three blood culture bottles drawn from a patient with unexplained fevers reveals gram-positive cocci growing in clusters. Which of the following tests would be most useful in determining whether this organism is a part of the normal skin flora?

Questions: 25  |  Attempts: 146   |  Last updated: Nov 11, 2016
  • Sample Question
    A 28-year-old male intravenous drug user presents with a febrile illness that has lasted 2 weeks. He also complains of chills, weakness, dyspnea, cough, arthralgia, diarrhea, and abdominal pain. On examination, a heart murmur is present, and small, tender nodules are found on the finger and toe pads, along with small hemorrhages on the palms and soles. Three sets of blood cultures are obtained from different veins. While awaiting laboratory confirmation, an empiric antibiotic regimen should primarily be directed at which of the following organisms?

This is a block of 46 questions of MCQ type with images in some questions. Choose the best answer for each question and get explanation at the end of exam when you submit. Time permitted is 1...

Questions: 20  |  Attempts: 118   |  Last updated: Jan 15, 2013
  • Sample Question
    A peripheral blood smear shows normocytic, normochromic red blood cells. The other cell types are morphologically normal but reduced in number as well. Bone marrow biopsy in this patient would most likely show which of the following patterns?

Questions: 25  |  Attempts: 93   |  Last updated: Feb 27, 2013
  • Sample Question
    A baby born at 32 weeks gestation with Apgar scores of 2 and 7 was placed in the neonatal intensive care unit. She developed a fever and leukocytosis; lumbar puncture revealed pleocytosis with increased protein, decreased glucose, and gram-positive rods. Which one of the following organisms was most likely isolated from the CSF?

For those of you who love all things biology and living organisms especially anatomy and how features work in the human body then this is the quiz for you. If you are prepared to test your knowledge, try it out.

Questions: 50  |  Attempts: 71   |  Last updated: Aug 4, 2017
  • Sample Question
    . The secondary oocyte enters the second meiotic division and proceeds as far as metaphase. Which of the following is the stimulus required for continuation of the second meiotic division to produce the haploid ovum?

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USMLE Questions & Answers

What would the most appropriate therapy be? A 20-year-old female presents with a two-day history of dysuria and increased urinary frequency. She states that she was recently married and was not...
Ampicillin-the correct answer is a. the patients presentation is consistent with a simple urinary tract infection; there is a short history of dysuria, increased urinary frequency and the appearance of white blood cells and gram-negative rods in the
What did the lesion most likely involve? A patient experiences difficulty in walking downstairs and reports some double vision as well.
The correct answer to this question is C. Cranial nerve IV is used to look down and are in the medial position. The cranial nerve IV innervates the superior oblique muscle. If this cranial nerve is damaged on one side, double vision will occur, resul
Which of the following is the smallest active functional unit (including conduction and air exchange) of the lung?
1. a respiratory bronchiolar unit -the smallest functional unit of the lung is the respiratory bronchiolar unit, which contains a respiratory bronchiole and the alveoli associated with it. this unit allows for air conduction and gas exchange. the alv
Which of the following excites the polar regions of the muscle spindle?
1. gamma motor neurons -gamma motor neurons innervate the polar regions of the muscle spindle and, when excited, cause resetting of the spindle by stretching it, resulting in a lowering of the threshold for activation of that receptor by an external