Animal Histopathology MCQS January 8, 2026March 26, 2024 by u930973931_answers 20 min Score: 0 Attempted: 0/20 Subscribe 1. . What is histopathology? (A) The study of historical diseases in animals (B) The study of tissue changes associated with disease (C) The study of animal behavior (D) The study of animal genetics 2. . Which stain is commonly used to visualize cell nuclei in histopathology slides? (A) Hematoxylin (B) Eosin (C) Toluidine blue (D) Giemsa 3. . What is the purpose of fixation in histopathology? (A) To enhance tissue staining (B) To preserve tissue structure and prevent decay (C) To dissolve cellular components (D) To increase tissue transparency 4. . What is the primary difference between necrosis and apoptosis in histopathology? (A) Necrosis is programmed cell death, while apoptosis is uncontrolled cell death. (B) Necrosis involves cell shrinkage, while apoptosis involves cell swelling. (C) Necrosis leads to inflammation, while apoptosis does not. (D) Necrosis is a normal physiological process, while apoptosis is always pathological. 5. . Which of the following is NOT a common histological stain used in histopathology? (A) Masson's trichrome (B) Periodic acid-Schiff (PAS) (C) Wright-Giemsa (D) Ethidium bromide 6. . What is the purpose of counterstaining in histopathology staining techniques? (A) To enhance the contrast of specific tissue components (B) To remove excess dye from tissues (C) To dissolve cellular structures (D) To decrease tissue transparency 7. . Which type of tissue sectioning technique is commonly used in histopathology to obtain thin slices for examination? (A) Paraffin embedding (B) Cryosectioning (C) Vibratome sectioning (D) Agar embedding 8. . What is the role of the microtome in histopathology? (A) To stain tissue sections (B) To embed tissues in paraffin wax (C) To cut thin sections of tissues for examination (D) To fix tissues for preservation 9. . Which of the following is a common artifact encountered in histopathology slides? (A) Perfect tissue sectioning (B) Tissue folding or tearing (C) Clear visualization of cellular structures (D) Uniform staining of all tissues 10. . What is the primary function of a histopathologist in veterinary medicine? (A) To perform surgeries on animals (B) To diagnose diseases by examining tissue samples (C) To administer medications to animals (D) To conduct behavioral studies on animals 11. . Which of the following stains is commonly used to highlight collagen fibers in histopathology? (A) Hematoxylin (B) Eosin (C) Masson's trichrome (D) Toluidine blue 12. . What is the purpose of immunohistochemistry (IHC) in histopathology? (A) To visualize tissue structures under a microscope (B) To stain cell nuclei (C) To detect specific proteins or antigens in tissues (D) To remove excess dye from tissues 13. . Which type of microscope is typically used in histopathology for examining tissue slides? (A) Transmission electron microscope (TEM) (B) Scanning electron microscope (SEM) (C) Light microscope (D) Confocal microscope 14. . What is the primary advantage of frozen sectioning (cryosectioning) in histopathology? (A) It allows for rapid tissue examination without fixation (B) It produces higher resolution images than paraffin sectioning (C) It enhances tissue staining (D) It preserves tissues for long-term storage 15. . What is the purpose of decalcification in histopathology? (A) To enhance tissue staining (B) To remove excess dye from tissues (C) To dissolve calcium deposits in tissues (D) To preserve tissue structure 16. . Which of the following is a common feature of malignant tumors in histopathology? (A) Well-differentiated cells with organized tissue architecture (B) Rapid growth and invasion into surrounding tissues (C) No abnormal cellular changes (D) Limited blood supply 17. . What is the role of histopathology in diagnosing infectious diseases in animals? (A) It can identify specific pathogens in tissues (B) It cannot detect infectious agents (C) It only focuses on structural abnormalities (D) It can only diagnose non-infectious diseases 18. . What is the primary purpose of staining tissue sections in histopathology? (A) To make tissues transparent (B) To make tissues more rigid (C) To enhance contrast and highlight specific structures (D) To increase tissue elasticity 19. . Which of the following stains is commonly used to visualize carbohydrates and glycogen in histopathology? (A) Periodic acid-Schiff (PAS) (B) Wright-Giemsa (C) Masson's trichrome (D) Hematoxylin 20. . What is the significance of H&E staining in histopathology? (A) It stains cell nuclei blue and cytoplasm pink, allowing for visualization of tissue structures. (B) It specifically highlights collagen fibers in tissues. (C) It removes excess dye from tissues. (D) It enhances tissue transparency.