Free Questions and Answers for All Medical Students all over the World
Q- A child is brought to the emergency room because he accidentally ingested a large amount of rat poison. His vital signs are within normal limits, and his physical examination is unremarkable. His lab tests come back normal except for an elevated prothrombin time. Which of the following is the most effective treatment? A- Atropine … Read more
Q- Which one of the following medications is contraindicated in pregnancy due to the risk of fetal tooth discoloration? A- Amoxicillin B- Cephalexin C- Erythromycin D- Tetracycline Q- Which one of the following clinical trials primarily evaluates drug safety? A- Phase I B- Phase II C- Phase III D- Phase IV Q- … Read more
Q- Which of the following medications has the narrowest margin of safety due to a small difference between its therapeutic and toxic doses? A- Alprazolam B- Amantadine C- Lithium D- Simvastatin Q- Which one of the following chemotherapeutic agents acts by binding to tubulin and disturbing microtubule polymerization? A- Cyclophosphamide B- Doxorubicin C- … Read more
Q- Which one of the following medications is the most effective in reducing postprandial hyperglycemia in diabetic patients? A- Metformin B- Glargine C- Glipizide D- Repaglinide Q- Which one of the following non-steroidal anti-inflammatory drugs (NSAIDs) is a selective cyclooxygenase-2 (COX-2) enzyme inhibitor? A- Aspirin B- Celecoxib C- Diclofenac D-Ibuprofen Q- Which one … Read more
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