Pharmacology MCQs- 266

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

Repeated USMLE Questions Step 1- Review- 361

Q- Which of the following statements correctly describes the relative risk of a study? A- Odds that the group with a disease was exposed to a risk factor divided by odds that the group without the disease was exposed B- Risk of developing disease in the exposed group divided by risk in the unexposed group … Read more

Repeated USMLE Questions Step 1- Review- 360

Q- The tracheal tube is originated from which of the following structures? A- Ductus arteriosus B- Foregut C- Fourth pharyngeal arch D- Third pharyngeal arch Q- Which of the following endocrine disorders is characterized by high blood pressure, sodium and water retention, low potassium level and decreased renin activity? A- Addison’s disease B- Pheochromocytoma C- … Read more

Repeated USMLE Questions Step 1- Review- 359

Q- Which one of the following neoplasms is the most likely related to HIV infection? A- Burkitt’s lymphoma B- Hodgkin’s lymphoma C- Kaposi sarcoma D- Myelocytic leukemia Q- If the prevalence of a disease is 10%, what is the chance that randomly selected 3 persons out of this population will all have the disease? A- … Read more

Pharmacology MCQs- 265

Q- Bioavailability of a medication is maximal when it has which of the following factors? A- High ionization B- High lipid solubility C- High plasma binding D- High water solubility B- High lipid solubility- Medications with high lipid solubility cross membranes easily and therefore have higher bioavailability, especially when given orally. High ionization, high plasma … Read more