All Free Pathology MCQs with Answers
Every Pathology question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.
289 questions · page 15 of 15
- A. jaundice
- B. Haemosiderosis
- C. Kernicterus
- D. All of the above
Explanation: Kernicterus is bilirubin deposition in the basal ganglia and other brain regions, usually in severe neonatal unconjugated…
Correct answer: Kernicterus- A. Scanning electron miscroscopy
- B. Electron microscopy
- C. X-ray crytallography
- D. Polarized microscopy
Explanation: Amyloid is confirmed with Congo red staining showing apple-green birefringence under polarized light.
Correct answer: Polarized microscopy- A. Increase in osteoid maturation time
- B. Decrease in osteoid surface
- C. Decrease in osteoid volume
- D. Increase in mineral apposition rate
Explanation: Osteomalacia is defective mineralization of newly formed osteoid, so osteoid maturation time increases and mineral apposition falls.
Correct answer: Increase in osteoid maturation time- A. Actinomycosis
- B. Tuberculosis
- C. Rabies
- D. Secondary Iues
Explanation: Secondary amyloidosis is caused by prolonged inflammation or infection, and tuberculosis is a classic underlying disease.
Correct answer: Tuberculosis- A. Hydropic degeneration
- B. Amyloid degeneration
- C. Hyaline degeneartion
- D. Fatty degeneration
Explanation: Mallory-Denk bodies are eosinophilic cytoplasmic aggregates of damaged intermediate filaments in hepatocytes.
Correct answer: Hyaline degeneartion- A. AL protein
- B. a2 microglobulin
- C. a-amyloid protein
- D. Transthyretin
Explanation: Senile systemic amyloidosis is caused by deposition of wild-type transthyretin, especially in the heart of older adults.
Correct answer: Transthyretin- A. Spleen
- B. Kidney
- C. Liver
- D. Heart
Explanation: The kidney is the commonest and often clinically most important site of systemic amyloid deposition, where it can cause proteinuria and…
Correct answer: Kidney- A. Hodgkin's diseaes
- B. Tuberculosis
- C. Multiple myeloma
- D. Chronic osteomyelitis
Explanation: Primary amyloidosis is usually caused by a plasma-cell disorder producing monoclonal immunoglobulin light chains, and it is classically…
Correct answer: Multiple myeloma- A. Reticulin
- B. Masson's toichrome
- C. Vonkosa
- D. Congo Red
Explanation: Congo red is the standard stain for amyloid and shows apple-green birefringence under polarized light.
Correct answer: Congo Red