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: The primary mediator of pain in inflammation is
A) Dopamine
B) Serotonin
C) Bradykinin
D) Histamine
✅ Correct Answer: C
Explanation: Bradykinin increases vascular permeability and induces pain.
Q: Hemorrhage means
A) Platelet formation
B) Blood formation
C) Loss of blood
D) Cell migration
✅ Correct Answer: C
Explanation: Hemorrhage is the escape of blood from ruptured vessels.
Q: Thrombosis results from
A) Dehydration
B) Immunity boost
C) Abnormal clot formation
D) Increased RBCs
✅ Correct Answer: C
Explanation: Thrombosis is the formation of a clot within a blood vessel that obstructs flow.
Q: Aneurysm is defined as
A) Tumor of RBCs
B) Muscle atrophy
C) Vein constriction
D) Localized arterial dilation
✅ Correct Answer: D
Explanation: Aneurysms occur when blood vessels weaken and bulge.
Q: Embolism may be caused by
A) Muscle rupture
B) Dislodged thrombus
C) Nerve compression
D) Platelet lysis
✅ Correct Answer: B
Explanation: An embolism often originates from a thrombus that travels through the bloodstream.