Free Questions and Answers for All Medical Students all over the World
Q- A 40-year-old woman comes to the physician because of a runny nose, sneezing, and itching eyes on exposure to cats since childhood. Anti-allergy drugs have not provided relief. Her symptoms improve with a program of desensitization involving administration of increasing doses of the allergen. Which of the following is the most likely mechanism of … Read more
Q- A 5-month-old boy is brought to the clinic by his mother because of a 10-day history of “coughing spells” that occur several times daily and last 1 to 2 minutes; he often vomits afterward. He was delivered at term to a 16-year-old patient, gravida 1, para 1, following an uncomplicated pregnancy and spontaneous vaginal … Read more
Q- Which one of the following regional anesthetics can cause methemoglobinemia if given in a large dose? A-Bupivacaine B-Cocaine C-Prilocaine D-Procaine Q- Which of the following is the mechanism of antimicrobial action of cephalosporins? A-Binding to the 30S Ribosomal Subunit B-Inhibition of beta-lactamase C-Inhibition of transpeptidation reactions D-Interference with the synthesis of ergosterol … Read more
Q- which of the following is the most common infectious cause of dilated cardiomyopathy in Central and South America? A- Coxsackievirus B B- Human immunodeficiency virus (HIV) C- Rickettsia D- Trypanosoma cruzi Q- Which of the following is the most sensitive test to order in a suspected case of myocardial sarcoidosis? A- Angiography B- … Read more
Q- A patient with a history of intravenous drug abuse presents with JVD and a holosystolic murmur at the left sternal border. Which of the following is the best treatment for this patient? A- Dopamine and observation B- Morphine and IV beta blockers C- Treat heart failure and replace the aortic valve D- Treat heart … Read more
Q- A 25-year-old woman comes to the office because of a 3-day history of fever, chills, severe headache, weakness, muscle pain, loss of appetite, vomiting, diarrhea, and moderate abdominal pain. She is in nursing school and returned from a medical mission’s trip in West Africa 10 days ago. Her symptoms began abruptly while she was … Read more