Free Questions and Answers for All Medical Students all over the World
Dr Ray Makar A 64-year-old man complains of severe headache, dizziness, nausea and deterioration of vision. Workup shows a decrease in oxygen carrying capacity with no change in PO2 of arterial blood. Which of the following is most likely responsible for this patient’s symptoms? A- Ozone B- Carbon monoxide (CO) C- Sulfur dioxide D- Nitrogen Answer This is … Read more
A 48-year-old woman presents to the clinic for a complaint of difficult swallowing solid food for the last 2 months. After seconds of swallowing, she feels the food getting stuck at the suprasternal notch. She has no history of food or acid regurgitation. She has not lost weight. She does not smoke or drink alcohol. … Read more
A 56-year-old man presents to the emergency room complaining of severe chest pain, nausea and excessive sweating for 30 minutes. ECG and laboratory tests confirm the diagnosis of acute myocardial infarction. What is the most likely reason of diaphoresis in this patient? A-Parasympathetic stimulation B-Sympathetic stimulation C-Decreased peripheral resistance D-Decreased sodium and water retention E-Elevated … Read more
Q- A 58-year-old woman is brought to the emergency room complaining of lightheadedness for 4 hours. She has diarrhea with loose stool for 2 days. She explains her symptoms as the flu, and she drinks lots of water as her neighbor advised her to avoid dehydration. Her physician told her that she should take a … Read more
A 22-year- old man presents to the emergency room complaining of sudden onset of shortness of breath and palpitation for 2 hours. He had similar episodes in the past which resolved by breath holding. His past medical, surgical and family histories are unremarkable. He takes no medication. ECG reveals supraventricular tachycardia. Carotid massage on the … Read more
A 29-year-old man is brought to the ER by a policeman. He was driving his car under the influence of alcohol. The policeman asks the ER physician to get a sample of this patient’s gastric contents for analysis. The physician explains the procedure to him but the patient refuses to go through it. What is … Read more