Free Questions and Answers for All Medical Students all over the World
A 43-year-old man presents to your clinic for a follow up after colon biopsy taken last week. He has a history of constipation and blood in stools for 6 months. Biopsy reveals colon cancer. After you told him the bad news, he looked down and told you that constipation was not that bad. He seeks … Read more
A 48-year old man presents to the emergency room with severe headache and blurred vision. His blood pressure is 230/140. Ophthalmologic examination reveals blurred optic discs with indistinct margins. An intravenous drip of nitroprusside is started. What is the mechanism of action of this medication? A- Alpha adrenergic antagonist B- Beta adrenergic antagonist C- Ganglion … Read more
A 73-year-old man with a history of benign prostatic hyperplasia (BPH) presents to the emergency room complaining of repeated falls. His wife admits that during the past 3 weeks he has had unsteady gait, urinary incontinence and memory disturbances. His medical, surgical and family histories are unremarkable. He has never smoked or taken any recreational … Read more
A 57-year-old man with a history of bleeding per rectum visits his physician to discuss the results of his recent CT colpography test. The test was positive for the presence of a colorectal polyp. The sensitivity and specificity of this test to detect a colorectal polyp is 75% and 90% respectively. What is the probability … Read more
A 43-year old cashier visits her physician with a complaint of severe pain for 3 months and a new onset of itching in her right leg. Examination reveals multiple varicosities on the medial side the right thigh and leg and an erythematous patch on the medial side of the knee. What is the most common … Read more
A 53-year-old man visits his physician with a complaint of erectile dysfunction. He is married for 20 years and they have two kids. He had never complained of his sexual performance until last month when he found out that he could not induce a full erection. He has no major health conditions and does not … Read more