Free Questions and Answers for All Medical Students all over the World
Dr Ray Makar A 37-year-old woman presents to the office for a consultation about family planning. She is married for 11 years and she has never had any extra-marital relationships. They have been tested negative for HIV infection. She hopes to become pregnant and to stop using condoms. She had normal Pap smears for the past 18 years. … Read more
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 37-year-old woman presents to the emergency room complaining of general tingling sensation all over her body and spasm of her right hand for 1 hour. Her spasm is worsening and she feels as her body becomes more rigid. She had undergone subtotal thyroidectomy 2 weeks ago and the incision is healed and clean. Blood … 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