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 90-year-old man is hospitalized from falling and breaking his hip. He has been already in the hospital for 6 days when he developed a burning sensation upon urinating. An analysis of his urine shows plenty of gram positive cocci and leukocytosis. The attendant physician treats him with trimethoprim-sulfamethoxazole. However, the fever still persists. After … Read more
Your 8-year-old daughter wakes you up in the middle of the night complaining of severe coughing. You bring the child to the doctor the next day and upon examination, the following is revealed: noisy breathing on inspiration, flaring of the nostrils, marked retractions of the chest wall, and a severe barking cough. She has … Read more
A 70-year-old man is brought to the doctor having a sudden onset of severe lower back pain. Upon conducting a physical examination of the patient, severe kyphosis is revealed. An x-ray of the back shows a compression fracture in the lumbar area of a vertebral body. This is followed by marked thinning of the bones … Read more
A 65-year-old man is scheduled for a repair of an abdominal hernia. The patient has an abdominal hernia that can be reduced by pushing the contents of the abdomen back through the external ring. While performing the repair, the surgeon observes that the hernial sac is protruding from the superior abdominal wall to the inguinal … 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 21 year-old college student complains of the appearance of yellowish coloration on her sclera. She mentions that she had been dizzy and weak for the last 3 days but did not feel any pain or fever and no change in stool color. Abdominal examination reveals normal bowel sounds and no tenderness or organomegaly. Laboratory … Read more