Free Questions and Answers for All Medical Students all over the World
Q- A 60-year-old patient with chronic heart failure is started on digoxin. Which electrolyte imbalance increases the risk of digoxin toxicity? A- Hyperkalemia B- Hypocalcemia C- Hypokalemia D- Hyponatremia Q- Which of the following drugs inhibits bacterial folate synthesis by blocking dihydropteroate synthase? A- Ciprofloxacin B- Isoniazid C- Trimethoprim D- Sulfamethoxazole Q- A … Read more
Q- A 54-year-old man with a history of alcohol use disorder presents with confusion, ataxia, and nystagmus. Which of the following is the most appropriate immediate treatment? A- IV dextrose B- IV thiamine C- IV glucose followed by thiamine D- Oral folic acid Q- A 72-year-old woman presents with shortness of breath and swelling … Read more
Q- A 60-year-old woman presents with progressive jaundice and weight loss. Imaging shows a mass at the head of the pancreas. Which of the following is the most likely paraneoplastic finding? A- Cushing syndrome B- Hypercalcemia due to PTHrP secretion C- Hyponatremia due to SIADH D- Migratory thrombophlebitis (Trousseau syndrome) Q- A 27-year-old man … Read more
Q- Which of the following drugs is a reversible cholinesterase inhibitor used in the management of myasthenia gravis? A- Atropine B- Neostigmine C- Pralidoxime D- Succinylcholine Q- A patient with atrial fibrillation is prescribed warfarin. Which of the following factors will increase the anticoagulant effect of warfarin? A- Vitamin K deficiency B- Rifampin therapy … Read more
Q- A 35-year-old man presents with palpitations, sweating, and episodic headaches. Blood pressure is persistently high. Urinary catecholamines and metanephrines are elevated. Which of the following is the best initial management before surgery? A- ACE inhibitor B- Alpha-blocker C- Beta-blocker D- Calcium channel blocker Q- A 23-year-old woman presents with fever, dysuria, and flank … Read more
Q- A 62-year-old man with a history of chronic alcohol use presents with weight loss, epigastric pain, and jaundice. CT scan shows a mass in the head of pancreas. Which tumor marker is most useful for this diagnosis? A- Alpha-fetoprotein (AFP) B- Cancer antigen 19-9 (CA 19-9) C- Carcinoembryonic antigen (CEA) D- Prostate-specific antigen (PSA) … Read more