Free Questions and Answers for All Medical Students all over the World
A daily contest for USMLE students and medical doctors. You post your answer in the comments box. The correct answer and explanation will be posted on the next day. A drawing on the correct answers will be made after 24 hours. The winner will earn a copy of the book “Repeated USMLE Questions for Step 1”. By Dr Ray Makar.
A 43 year-old man presents to his physician with a complaint of progressive difficulty in swallowing solid food. He has a 10-year history of heartburn which increases with spicy food and relieves by antacids. He does not smoke or drink alcohol. His weight is the same since last visit six months ago. He is scheduled … Read more
An 80-year-old man is diagnosed with severe atherosclerosis. He has been a heavy smoker for 62 years and also has a long history of hypercholesterolemia. Atherosclerotic occlusion of which of these arteries will cause insufficient perfusion of the urinary bladder? A- External iliac B- Inferior epigastric C- Internal iliac D- Lateral sacral Answer The internal … Read more
A 57 year-old man presents to the ER complaining of sudden dizziness and heart racing for 2 hours. He is a CEO of a big corporation and those symptoms started during a stressful meeting. At first, he felt irregular heartbeats and ignored it but he felt dizzy soon after and his staff drove him to … Read more
A 45-year-old man is rushed to the emergency room having severe headaches and recurrent fever started 1 week ago, a week after he came back from a trip to Africa. Physical examination reveals high fever and splenomegaly. Brain imaging reveals signs of cerebral involvement. Which of these following parasites is likely causing the patient’s symptoms? … Read more
A 2-month-old child is brought to the clinic by his parents with a complaint of failure to thrive. During an examination, the baby suffers a seizure. Test of stat serum chemistries indicates hyperlipidemia, severe hypoglycemia, ketosis, and lactic acidosis. Hepatomegaly is also confirmed by both physical examination and CT scan. Which of the following conditions … Read more
A 58-year-old woman comes to the emergency room complaining that her skin is turning yellow. The doctor performs a physical examination, which reveals that the woman is suffering from moderate jaundice. There is no abdominal pain and she also has a negative Murphy’s sign. The physician becomes concerned that he is able to feel the … Read more