Pathology MCQs
Pathology MCQs are designed to test a student's understanding of disease mechanisms, histopathology, and clinical correlations. Questions range from general pathology to systemic diseases affecting organs like the liver, lungs, heart, and kidneys. Ideal for MDCAT, NTS, USMLE, and FCPS aspirants, these quizzes help reinforce critical concepts and bridge the gap between theory and clinical application.
Q: Atypical lymphocytes are often observed in
A) Anemia
B) Fungal diseases
C) Hyperthyroidism
D) Viral infections
✅ Correct Answer: D
Explanation: Viral infections such as Epstein-Barr virus cause reactive, atypical lymphocytes.
Q: An infarct typically appears
A) Pale or hemorrhagic
B) Fibrous
C) Calcified
D) Swollen
✅ Correct Answer: A
Explanation: Infarcts may be white or red depending on the affected tissue and blood supply.
Q: Serous inflammation is characterized by
A) Fibrin-rich fluid
B) Watery fluid accumulation
C) Pus production
D) Cellular debris
✅ Correct Answer: B
Explanation: Serous inflammation involves thin fluid similar to serum.
Q: Fibrinoid necrosis is usually associated with
A) Viral hepatitis
B) Genetic syndromes
C) Fungal infections
D) Autoimmune diseases
✅ Correct Answer: D
Explanation: Fibrinoid necrosis occurs due to immune complex deposition and vascular injury.
Q: Pyknosis refers to
A) Enzyme inhibition
B) Cell enlargement
C) Mitochondrial lysis
D) Nuclear shrinkage
✅ Correct Answer: D
Explanation: Pyknosis is an early indicator of cell death, marked by dense, shrunken nuclei.
Q: Hyperemia is caused by
A) Protein loss
B) Obstructed lymph
C) Increased blood flow
D) Hormonal feedback
✅ Correct Answer: C
Explanation: Hyperemia results from active arteriolar dilation increasing blood supply to tissues.