Pathology MCQs
Pathology MCQs assess knowledge of disease mechanisms, histopathology, and systemic conditions. Covering organs like liver, lungs, heart, and kidneys, they help MDCAT, USMLE, NTS, and FCPS aspirants strengthen concepts and clinical understanding.
Q: Function of prostaglandins in inflammation
A) Chemotaxis
B) Pain mediation
C) Blood clotting
D) Vasoconstriction
✅ Correct Answer: B
Explanation: Prostaglandins contribute to pain and fever during inflammatory responses.
Q: Hemochromatosis involves excess deposition of
A) Iron
B) Copper
C) Lipids
D) Calcium
✅ Correct Answer: A
Explanation: Iron overload in tissues due to hereditary or secondary causes leads to hemochromatosis.
Q: Edema due to lymphatic obstruction is termed
A) Lymphedema
B) Exudate
C) Transudate
D) Effusion
✅ Correct Answer: A
Explanation: Lymphedema results from impaired lymphatic drainage causing interstitial fluid accumulation.
Q: Main component of pus
A) Dead neutrophils and bacteria
B) Fibrin
C) Red blood cells
D) Platelets
✅ Correct Answer: A
Explanation: Pus contains dead neutrophils, bacteria, and cellular debris typical of suppurative infections.
Q: Cause of liquefactive necrosis in the brain
A) Low vascularity
B) High collagen content
C) Fibrin deposits
D) Abundant enzymes and lipids
✅ Correct Answer: D
Explanation: The brain’s lipid-rich environment and hydrolytic enzymes favor liquefactive necrosis after infarction.