Free Questions and Answers for All Medical Students all over the World
Dr Ray Makar Q- A 19-year-old man presents with syncope, dyspnea and chest pain with exercise. A crescendo-decrescendo murmur without carotid radiation is heard over the left sternal border. What is the most likely diagnosis? A- Aortic stenosis B- Hypertrophic cardiomyopathy C- Mitral stenosis D- Myocardial infarction Q- A 40-year-old man presents with shortness of breath after a … Read more
Q- Which of the following is the main role of hydroxyurea in the treatment of sickle cell anemia? A- Decrease levels of HbF in red blood cells B- Decrease oxygen affinity to HbS C- Increase levels of HbF in red blood cells D- Increase ability of HbS to bind 2.3-bisphosphoglycerate Q- Which of the following … Read more
Q- A certain drug has a high serum protein binding. Which of the following is increased as a result of injecting this drug? A- Distribution of the drug B- Drug interaction C- Liver metabolism D- Renal excretion Q- Administration of spironolactone and furosemide leads to which of the following? A- Increase potassium loss B- Reduce … Read more
Q- A 61-year-old male represents to the ER with severe substernal chest pain. He’s given sublingual nitroglycerin and oxygen. His vital signs are within normal limits and ECG is normal. Which of the following is the best next step? A- Aspirin B- Coronary angiography C- Echocardiography D- Thallium stress test Q- Which of the following … Read more
Q- Which of the following cell types is responsible for forming the blood brain barrier (BBB)? A- Astrocytes B- Microglia C- Oligodendrocytes D- Schwann cells Q- Which of the following esophageal disorders is the most likely a complication of HIV infection? A- Achalasia B- Adenocarcinoma C- Candida esophagitis D- Esophageal varices Q- Which of the … Read more
Q- Reflex bradycardia caused by alpha-1-agonists is blocked by which of the following medications? A- Adrenaline B- Atropine C- Metoprolol D- Phenylephrine Q- A 400 mg dose of a drug was administered and 200 mg of it was eliminated after two hours. Which of the following is the amount of drug left after six hours … Read more