Free Questions and Answers for All Medical Students all over the World
Q- Which one of the following is the main mechanism of absorption of most drugs in the gastrointestinal tract (GIT)? A- Endocytosis and exocytosis B- Facilitated transport C- Passive diffusion D- Pinocytosis Q- Which one of the following agents prolongs the duration of nerve block when combined with a local anesthetic? A- Atropine B- Dobutamine … Read more
Q- Which of the following is the most common cause of death in an old patient with uncontrolled diabetes? A- Cerebral hemorrhage B- Hyperosmolar coma C- Myocardial infarction D- Pulmonary embolism Q- A young man was stuck on his leg by a falling rack a week ago. Today, a purple bruise developed on the site … Read more
Q- Administration of which one of the following medications can lead to the development of hemolytic anemia? A- Hydralazine B- Propranolol C- Quinidine D- Verapamil Q- The effect of two medications is greater than the sum of their individual effects explains which of the following drug interactions? A- Additive B- Permissive C- Synergistic D- Tachyphylaxis … Read more
Q- In a case of methemoglobinemia, which one of the following is the most likely cause of the brown color of the patient’s blood? A- Carbon monoxide B- Decreased oxygen affinity C- Oxidized hemoglobin D- Reduced hemoglobin Q- Which of the following agents most likely causes vasoconstriction? A- Bradykinin B- Histamine C- Nitric oxide D- … Read more
Q- In which one of the following locations a mural thrombus commonly occurs following myocardial infarction? A- Left atrium B- Left ventricle C- Right atrium D- Right ventricle E- Thoracic aorta Q- Bones of calvarium and facial bones are formed by which one of the following types of ossification? A- Endochondral ossification B- Membranous ossification … Read more
Q- Which of the following anti-retroviral treatments is a non-competitive reverse transcriptase inhibitor? A- Didanosine B- Nevirapine C- Saquinavir D- Zidovudine Q- Which of the following are the most likely effects of beta blockers on the end-diastolic volume (EDV) and the ejection time (ET)? A- Both of them decrease B- Both of them increase … Read more