Free Questions and Answers for All Medical Students all over the World
Q- A patient treated with gentamicin develops renal impairment. What is the primary mechanism of this adverse effect? A- Accumulation in proximal tubule cells B- Acute interstitial nephritis C- Decreased renal blood flow D- Immune-mediated glomerulonephritis Q- A patient on long-term NSAID therapy develops gastric ulcers. Which mechanism is responsible? A- Decreased leukotriene production … 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- Which of the following antifungal medications inhibits ergosterol synthesis by blocking fungal cytochrome P450 enzymes? A- Amphotericin B B- Fluconazole C- Flucytosine D- Terbinafine Q- A 29-year-old woman treated with lithium presents with tremor, polyuria, and confusion. Which laboratory finding is most likely present? A- Hypercalcemia B- Hypoglycemia C- Hypokalemia D- Hyponatremia … 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 patient treated for latent tuberculosis develops elevated liver enzymes. Which drug is most likely responsible? A- Cycloserine B- Ethambutol C- Isoniazid D- Streptomycin Q- A 55-year-old woman with osteoporosis is prescribed a bisphosphonate. Which instruction is most important to prevent esophageal irritation? A- Remain upright for 30 minutes after ingestion B- Take … 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