Free Questions and Answers for All Medical Students all over the World
Q- Epinephrine acts to dilate bronchial smooth muscle through which one of the following receptors? A- Alpha-1-adrenoreceptors B- Alpha-2-adrenoreceptors C- Beta-1-adrenoreceptors D- Beta-2-adrenoreceptors Q- Which of the following locations is the site of action of furosemide to inhibit sodium reabsorption? A- Ascending limb of loop of Henle B- Collecting tubules C- Descending limb of … Read more
Q- A young man complains of daytime sleeping, cataplexy and sleep paralysis. Which of the following is the best treatment? A- Diazepam B- Hydroxyzine C- Modafinil D- Zolpidem Q- Which of the following is the most likely developmental defect associated with tetralogy of Fallot? A- Anterosuperior displacement of the infundibular septum B- Bicuspid pulmonary artery … Read more
Q- Atropine is often used prior to administration of inhalant anesthetics to reduce which of the following? A- Heart rate B- Muscle tone C- Secretions D- Vomiting Q- Which of the following is the most significant action of monoamine oxidase A? A- Metabolism of dopamine B- Metabolism of norepinephrine, serotonin and tyramine C- Metabolism of … Read more
Q- Which of the following enzymes is markedly elevated in primary biliary cholangitis? A- Alanine aminotransferase (ALT) B- Aspartate aminotransferase (AST) C- Acid phosphatase D- Alkaline phosphatase Q- Which of the following is the most likely finding on a biopsy of a case of chronic bronchitis? A- Abundant mucus with plugging of the bronchioles … Read more
Q- Which of the following adverse effects of L-DOPA is most likely the reason to limit its use? A- Depression B- Dyskinesia C- Nausea and occasional vomiting D- Orthostatic hypotension Q- Which of the following is a contraindication of the use of benzodiazepines in anxiety disorders? A- Diabetes mellitus B- Seizures C- Sleep apnea … Read more
Q- Which of the following medications acts to prevent cholesterol absorption at the small intestine brush border? A- Cholestyramine B- Colestipol C- Ezetimibe D- Gemfibrozil Q- Alcohol is oxidized in the liver by which one of the following enzymes? A-Alcohol decarboxylase B- Alcohol dehydrogenase C- Alcohol oxidase D- Alcohol reductase . Q- Which of the … Read more