Veterinary Pathology MCQs 50 Score: 0 Attempted: 0/50 Subscribe 1. The study of disease causes is termed: (A) Histology (B) Etiology (C) Pathogenesis (D) Morphology 2. Which is the hallmark of reversible cell injury? (A) Apoptosis (B) Necrosis (C) Cellular swelling (D) Calcification 3. The term for programmed cell death is: (A) Necrosis (B) Apoptosis (C) Atrophy (D) Autolysis 4. Caseous necrosis is commonly seen in: (A) Tuberculosis (B) Blackleg (C) FMD (D) Anthrax 5. The deposition of calcium in dead or dying tissues is: (A) Metastatic calcification (B) Dystrophic calcification (C) Ossification (D) Mineralization 6. The type of necrosis commonly observed in infarcts is: (A) Liquefactive necrosis (B) Caseous necrosis (C) Coagulative necrosis (D) Gangrenous necrosis 7. Which cells are the first to arrive at the site of acute inflammation? (A) Lymphocytes (B) Macrophages (C) Neutrophils (D) Plasma cells 8. Giant cells are characteristic of: (A) Acute inflammation (B) Suppurative inflammation (C) Granulomatous inflammation (D) Catarrhal inflammation 9. Fibrinous inflammation is characterized by: (A) Fibrin deposition (B) Pus formation (C) Hemorrhage (D) Edema only 10. Which pigment is known as the âwear-and-tear pigmentâ? (A) Hemosiderin (B) Lipofuscin (C) Melanin (D) Bilirubin 11. The common cause of fatty liver in cattle is: (A) Vitamin D deficiency (B) High energy diet during late pregnancy (C) Copper toxicity (D) Selenium deficiency 12. Jaundice due to excessive destruction of red blood cells is: (A) Obstructive jaundice (B) Hemolytic jaundice (C) Hepatocellular jaundice (D) Congenital jaundice 13. The pigment responsible for icterus is: (A) Melanin (B) Hemoglobin (C) Bilirubin (D) Hematin 14. âHeart failure cellsâ are loaded with: (A) Hemosiderin (B) Lipofuscin (C) Biliverdin (D) Melanin 15. Hypertrophy refers to: (A) Increase in cell number (B) Increase in cell size (C) Decrease in cell size (D) Abnormal cell division 16. Atrophy refers to: (A) Increase in cell size (B) Increase in cell number (C) Decrease in cell size (D) Cell death 17. Which of the following is an example of liquefactive necrosis? (A) Brain infarct (B) Tuberculosis (C) Blackleg (D) Dry gangrene 18. The causative agent of blackleg in cattle is: (A) Bacillus anthracis (B) Clostridium chauvoei (C) Clostridium septicum (D) Pasteurella multocida 19. The main feature of amyloidosis is deposition of: (A) Lipids (B) Proteins (C) Amyloid proteins (D) Calcium salts 20. In which organ is ânutmeg liverâ seen? (A) Heart (B) Lung (C) Kidney (D) Liver 21. Which type of gangrene is caused by Clostridium species? (A) Dry gangrene (B) Wet gangrene (C) Gas gangrene (D) All of the above 22. Hyperplasia refers to: (A) Increase in cell number (B) Increase in cell size (C) Necrosis (D) Fibrosis 23. Which is the main cell involved in chronic inflammation? (A) Neutrophil (B) Macrophage (C) Basophil (D) Mast cell 24. Which pigment is formed due to incomplete oxidation of phenols? (A) Lipofuscin (B) Melanin (C) Bilirubin (D) Hemosiderin 25. âOsteomalaciaâ is caused by deficiency of: (A) Vitamin A (B) Vitamin D (C) Vitamin K (D) Vitamin E 26. Which term refers to the transformation of one differentiated cell type to another? (A) Dysplasia (B) Anaplasia (C) Metaplasia (D) Hyperplasia 27. Which of the following is an example of exogenous pigment? (A) Lipofuscin (B) Hemoglobin (C) Carbon (anthracosis) (D) Bilirubin 28. The primary feature of emphysema is: (A) Collapse of alveoli (B) Enlargement of air spaces (C) Fibrosis of lung tissue (D) Fluid accumulation 29. âHyperaemiaâ refers to: (A) Decrease in blood flow (B) Increase in blood flow (C) Blood clot formation (D) Absence of blood flow 30. The condition characterized by excess fluid in the pericardial sac is: (A) Ascites (B) Hydrothorax (C) Hydropericardium (D) Hydronephrosis 31. The main feature of catarrhal inflammation is: (A) Pus formation (B) Serous exudate (C) Excessive mucus secretion (D) Fibrin deposition 32. The causative agent of Johneâs disease in cattle is: (A) Mycobacterium tuberculosis (B) Mycobacterium bovis (C) Mycobacterium avium subsp. paratuberculosis (D) Brucella abortus 33. Which type of necrosis is seen in the brain? (A) Caseous (B) Liquefactive (C) Coagulative (D) Fat necrosis 34. The characteristic lesion of anthrax is: (A) Black necrotic focus (B) Hemorrhagic lymph nodes (C) Splenomegaly (D) All of the above 35. âHemoperitoneumâ refers to: (A) Blood in thoracic cavity (B) Blood in pericardial sac (C) Blood in abdominal cavity (D) Blood in kidney 36. Which cell is responsible for fibrosis? (A) Neutrophil (B) Fibroblast (C) Mast cell (D) Platelet 37. A âthrombusâ is: (A) A blood clot formed in the heart or vessel during life (B) A postmortem blood clot (C) An embolus (D) Hemorrhage 38. âPetechiaeâ are: (A) Large areas of hemorrhage (B) Pinpoint hemorrhages (C) Bruises (D) Blood clots 39. The characteristic lesion of rickets is: (A) Bone softening (B) Bone fracture (C) Excessive calcification (D) Bone inflammation 40. Which type of exudate contains high protein content? (A) Transudate (B) Serous exudate (C) Purulent exudate (D) Fibrinous exudate 41. âAscitesâ refers to: (A) Fluid in pleural cavity (B) Fluid in pericardial cavity (C) Fluid in abdominal cavity (D) Fluid in joints 42. Which is a feature of malignant tumors? (A) Slow growth (B) Encapsulation (C) Metastasis (D) Lack of invasion 43. âCholesterol cleftsâ are commonly seen in: (A) Atherosclerosis (B) Fatty liver (C) Tuberculosis (D) Amyloidosis 44. The term âhemochromatosisâ refers to: (A) Iron deficiency (B) Excess iron deposition (C) Calcium deposition (D) Copper deposition 45. âFibrosis of the lungsâ leads to: (A) Increased elasticity (B) Decreased elasticity (C) Increased gas exchange (D) Normal function 46. âHydronephrosisâ refers to: (A) Fluid in the kidney (B) Dilatation of the renal pelvis and calyces (C) Inflammation of the kidney (D) Stone in the kidney 47. Which is an example of endogenous pigment? (A) Carbon (B) Lipofuscin (C) Tattoo ink (D) Dust particles 48. The primary function of mast cells is to: (A) Phagocytose bacteria (B) Release histamine (C) Produce antibodies (D) Form collagen 49. Which condition is characterized by accumulation of pus in a cavity? (A) Abscess (B) Hematoma (C) Seroma (D) Edema 50. 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