Free Questions and Answers for All Medical Students all over the World
Dr Ray Makar 
Q- Which one of the following drugs blocks the urinary excretion of penicillin which leads to prolonged high serum concentration? A- Chloramphenicol B- Cimetidine C- Probenecid D- Rifampicin Q- Elevation of which one of the following substances in blood occurs due to reduced renal blood flow? A- Ammonia B- Calcium C- Cholesterol D- Renin Q- Which of … Read more
Q- Which one of the following is the most common etiology of abdominal aortic aneurysm in the United States? A- Atherosclerosis B- Cystic medial necrosis C- Rheumatic heart disease D- Turner syndrome Q- Amiodarone is considered one of which of the following classes of anti-arrhythmic drugs? A- Class I (sodium channel blockers) B- Class … Read more
Q- Which one of the following anti-depressants is most likely effective in bulimia nervosa? A- Amitriptyline B- Fluoxetine C- Imipramine D- Tranylcypromine Q- Which of the following muscles are the primary abductors of the arm at the shoulder? A- Deltoid and biceps B- Deltoid and coracobrachialis C- Deltoid and infraspinatus D- Deltoid and supraspinatus Q- … Read more
Q- Which of the following is the most likely cause of decreased visual acuity in pregnancy? A- Macular degeneration B- Optic nerve degeneration C- Retinal detachment D- Thickening of the cornea Q- A young woman presents with chronic diarrhea found to have a rectovaginal fistula. Which of the following is most likely her diagnosis? A- … Read more
Q- Which one of the following drugs is a calcium channel blocker (Class IV)? A- Amiodarone B- Carvedilol C- Procainamide D- Verapamil Q- Which one of the following cells secretes glycosaminoglycan and is found in the terminal and respiratory bronchioles? A- Clara cells B- K cells C- Macrophages D- Pneumocytes type Q- Which one … Read more
Q- In a case of Barrett esophagus, the normal tissue of the distal part of the esophagus is transferred into which of the following type of tissues? A- Ciliated columnar epithelium B- Keratinized squamous epithelium C- Non-ciliated columnar epithelium D- Non-keratinized squamous epithelium Q- Which one of the following conditions is the most common cause … Read more