Free Questions and Answers for All Medical Students all over the World
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
Q- A 25-year-old man is treated with chloramphenicol for typhoid fever. He later develops pallor, fatigue, and pancytopenia. Which adverse effect best explains this presentation? A- Dose-dependent reversible anemia B- Folate deficiency C- Irreversible aplastic anemia D- Vitamin B12 deficiency Q- A 60-year-old woman with hypertension is prescribed hydralazine. Which adverse effect is most … Read more
Q- A 25-year-old woman presents with sudden-onset shortness of breath and pleuritic chest pain. She started oral contraceptive pills 3 months ago. On exam, she is tachycardic and has mild hypoxia. CT pulmonary angiography shows multiple filling defects. Which of the following is the best initial treatment? A- Aspirin B- Heparin infusion C- Thrombolysis D- … Read more
Q- A 55-year-old man presents with hematuria. Cystoscopy shows a papillary growth in the bladder. Histology reveals malignant transitional cells. Which of the following is the most significant risk factor for this condition? A- Chronic cystitis B- Cigarette smoking C- Cyclophosphamide therapy D- Schistosoma haematobium infection Q- A 65-year-old man presents with progressive dyspnea … Read more
Q- Topical benzocaine overuse can cause sudden cyanosis with normal PaO₂. Which one of the following substances can reverse this reaction? A- Atropine B- Methylene blue C- Naloxone D- Sodium bicarbonate Q- A 32-year-old woman with a history of migraines is prescribed sumatriptan. What is its mechanism of action? A- 5-HT1B/1D receptor agonist B- … Read more