Free Questions and Answers for All Medical Students all over the World
Q- A 59-year-old man presents with progressive dysphagia. Endoscopy reveals an ulcerated mass in the distal esophagus. Biopsy shows malignant gland-forming cells. Which risk factor is most strongly associated with this condition? A- Alcohol consumption B- Chronic gastroesophageal reflux disease C- Human papillomavirus infection D- Iron deficiency anemia Q- A 66-year-old woman presents with … Read more
Q- A 6-month-old infant presents with recurrent bacterial and fungal infections. Laboratory testing shows markedly decreased CD18 expression on neutrophils. Which of the following mechanisms is primarily impaired? A- Chemotaxis toward IL-8 B- Diapedesis through endothelium C- Phagolysosome fusion D- Reactive oxygen species formation Q- A patient with chronic alcoholism develops confusion, ophthalmoplegia, and … Read more
Q- A 24-year-old woman presents with neck swelling. Fine-needle aspiration of a thyroid nodule shows polygonal cells with amyloid deposits in the stroma. Which hormone is most likely elevated in this patient? A-Calcitonin B-Parathyroid hormone C-Thyroxine (T4) D-Triiodothyronine (T3) Q- A 67-year-old man presents with sudden abdominal pain and bloody diarrhea. CT scan shows … Read more
Q- A 65-year-old man with heart failure is started on spironolactone. Which adverse effect should be monitored most closely? A- Gynecomastia B- Hypocalcemia C- Hypokalemia D- Metabolic acidosis Q- A 60-year-old man presents with weakness, fatigue, and splenomegaly. His complete blood count shows pancytopenia. Bone marrow aspiration is “dry,” but biopsy shows fibrotic marrow … Read more
Q- A 52-year-old man presents with chronic cough, hemoptysis, and digital clubbing. Chest X-ray reveals a coin lesion in the lung. Biopsy shows malignant glandular structures producing mucin. What is the most likely diagnosis? A- Adenocarcinoma B- Large cell carcinoma C- Small cell carcinoma D- Squamous cell carcinoma Q- A 36-year-old woman presents with … Read more
Q- A patient who was involved in a motor vehicle accident 2 years ago now has chronic pain. He tells his doctor he thinks he is becoming addicted to his short-acting morphine. He has been visiting multiple physicians to obtain prescription refills. Which of the following is the most appropriate treatment for his opioid use … Read more