Histology Of animal MCQs

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1. . What is histology?
(A) The study of animal behavior
(B) The study of animal genetics
(C) The study of the microscopic structure of tissues
(D) The study of animal physiology

2. . Which of the following is not a primary tissue type found in animals?
(A) Epithelial tissue
(B) Connective tissue
(C) Muscular tissue
(D) Nervous tissue

3. . Which of the following is a characteristic feature of epithelial tissue?
(A) High vascularity
(B) Abundance of extracellular matrix
(C) Presence of intercalated discs
(D) Cells closely packed with little intercellular material

4. . Where is simple squamous epithelium found in the body?
(A) Skin
(B) Digestive tract
(C) Blood vessels
(D) Skeletal muscle

5. . Which of the following epithelial tissues is involved in secretion and absorption?
(A) Stratified squamous epithelium
(B) Simple columnar epithelium
(C) Transitional epithelium
(D) Pseudostratified columnar epithelium

6. . What is the function of cilia in pseudostratified columnar epithelium?
(A) Protection
(B) Absorption
(C) Secretion
(D) Movement of mucus

7. . Where is stratified squamous epithelium found in the body?
(A) Skin
(B) Lining of blood vessels
(C) Kidney tubules
(D) Lungs

8. . Which of the following epithelial tissues lines the urinary bladder?
(A) Simple squamous epithelium
(B) Stratified squamous epithelium
(C) Simple cuboidal epithelium
(D) Transitional epithelium

9. . What is the function of transitional epithelium?
(A) Protection against mechanical stress
(B) Absorption of nutrients
(C) Secretion of hormones
(D) Facilitation of diffusion

10. . Which of the following is not a characteristic of connective tissue?
(A) Rich blood supply
(B) Abundance of extracellular matrix
(C) Cells dispersed in an extracellular matrix
(D) Varying degrees of vascularity

11. . What is the extracellular matrix primarily composed of in connective tissue?
(A) Water
(B) Collagen fibers
(C) Lipids
(D) Gases

12. . Which of the following cells produce collagen fibers in connective tissue?
(A) Fibroblasts
(B) Osteoblasts
(C) Chondrocytes
(D) Adipocytes

13. . Which of the following is not a type of connective tissue proper?
(A) Loose connective tissue
(B) Dense connective tissue
(C) Cartilage
(D) Bone

14. . Where is adipose tissue primarily found in the body?
(A) Skin
(B) Around organs
(C) Blood vessels
(D) Bone marrow

15. . Which of the following is a function of adipose tissue?
(A) Insulation
(B) Contraction
(C) Conduction
(D) Secretion

16. . What is the function of blood in connective tissue?
(A) Transportation of nutrients and wastes
(B) Protection against mechanical stress
(C) Support and structure
(D) Secretion of hormones

17. . What is the function of bone tissue?
(A) Transportation of nutrients
(B) Protection of internal organs
(C) Absorption of shock
(D) Synthesis of antibodies

18. . Which of the following cells is responsible for bone remodeling?
(A) Osteoblasts
(B) Osteoclasts
(C) Chondrocytes
(D) Fibroblasts

19. . Which of the following is not a type of cartilage?
(A) Hyaline cartilage
(B) Elastic cartilage
(C) Fibrous cartilage
(D) Dense cartilage

20. . Where is hyaline cartilage found in the body?
(A) Nose
(B) Ear
(C) Intervertebral discs
(D) Knees

21. . What is the function of elastic cartilage?
(A) Provides support and flexibility
(B) Absorbs shock
(C) Provides protection
(D) Facilitates movement

22. . Which of the following is not a type of muscle tissue?
(A) Skeletal muscle
(B) Cardiac muscle
(C) Smooth muscle
(D) Connective muscle

23. . Which of the following muscle tissues is striated and voluntary?
(A) Skeletal muscle
(B) Cardiac muscle
(C) Smooth muscle
(D) Involuntary muscle

24. . Where is smooth muscle found in the body?
(A) Heart
(B) Digestive tract
(C) Skeletal muscles
(D) Intercostal muscles

25. . Which of the following muscle tissues is found in the walls of blood vessels?
(A) Skeletal muscle
(B) Cardiac muscle
(C) Smooth muscle
(D) Striated muscle

26. . What is the function of nervous tissue?
(A) Support and structure
(B) Contraction
(C) Conduction of electrical impulses
(D) Secretion

27. . Which of the following cells is responsible for transmitting electrical impulses in nervous tissue?
(A) Neurons
(B) Glial cells
(C) Oligodendrocytes
(D) Astrocytes

28. . Which of the following is a characteristic feature of neurons?
(A) High mitotic activity
(B) Long axons
(C) Ability to contract
(D) Presence of myofibrils

29. . What is the function of glial cells in nervous tissue?
(A) Transmit electrical impulses
(B) Support and protect neurons
(C) Contraction
(D) Secretion

30. . Which of the following is not a type of glial cell?
(A) Astrocytes
(B) Oligodendrocytes
(C) Schwann cells
(D) Erythrocytes

31. . What is the term for the process of preparing tissues for microscopic examination?
(A) Fixation
(B) Staining
(C) Embedding
(D) Sectioning

32. . Which of the following staining techniques is used to visualize nuclei in tissues?
(A) Hematoxylin and eosin (H&E)
(B) Periodic acid-Schiff (PAS)
(C) Gram staining
(D) Giemsa staining

33. . What is the function of hematoxylin in tissue staining?
(A) Stains acidic structures blue
(B) Stains basic structures purple
(C) Stains lipid droplets red
(D) Stains glycogen granules brown

34. . Which of the following is a common fixative used in histology?
(A) Ethanol
(B) Formaldehyde
(C) Xylene
(D) Acetone

35. . What is the term for the process of embedding tissues in paraffin wax?
(A) Fixation
(B) Staining
(C) Embedding
(D) Sectioning

36. . Which of the following is not a type of microtome used for sectioning tissues?
(A) Cryostat microtome
(B) Vibratome
(C) Rotary microtome
(D) Compound microscope

37. . What is the term for the thin slices of tissue obtained after sectioning?
(A) Sections
(B) Stains
(C) Slides
(D) Blocks

38. . Which of the following is a characteristic feature of a light microscope?
(A) High magnification
(B) Uses electrons to visualize specimens
(C) Uses visible light to visualize specimens
(D) Resolves structures at the molecular level

39. . What is the term for the process of observing tissues under a microscope?
(A) Microscopy
(B) Histology
(C) Fixation
(D) Staining

40. . Which of the following is a technique used for visualizing living tissues?
(A) Light microscopy
(B) Electron microscopy
(C) Confocal microscopy
(D) Transmission electron microscopy

41. . What is the term for the specialized staining technique used to visualize specific structures in tissues?
(A) Immunohistochemistry
(B) Fluorescence microscopy
(C) Electron microscopy
(D) Phase-contrast microscopy

42. . Which of the following is a technique used for studying the distribution of proteins in tissues?
(A) Immunohistochemistry
(B) Fluorescence microscopy
(C) Electron microscopy
(D) Phase-contrast microscopy

43. . What is the term for the specialized staining technique used to visualize antigens in tissues?
(A) Immunohistochemistry
(B) Fluorescence microscopy
(C) Electron microscopy
(D) Phase-contrast microscopy

44. . Which of the following is a technique used for studying cell morphology and organization in tissues?
(A) Hematoxylin and eosin staining
(B) Immunohistochemistry
(C) Fluorescence microscopy
(D) Electron microscopy

45. . What is the term for the process of quantifying tissue components using a microscope?
(A) Histomorphometry
(B) Histopathology
(C) Immunohistochemistry
(D) Fluorescence microscopy

46. . Which of the following is a characteristic feature of transmission electron microscopy?
(A) Uses electrons to visualize specimens
(B) High magnification
(C) Uses visible light to visualize specimens
(D) Resolves structures at the molecular level

47. . What is the term for the process of preparing tissues for electron microscopy?
(A) Fixation
(B) Staining
(C) Embedding
(D) Ultramicrotomy

48. . Which of the following is a technique used for studying the ultrastructure of tissues?
(A) Electron microscopy
(B) Light microscopy
(C) Immunohistochemistry
(D) Fluorescence microscopy

49. . Which of the following is a limitation of light microscopy?
(A) Low magnification
(B) Poor resolution
(C) Requires fixation and staining
(D) Cannot visualize living tissues

50. . What is the term for the study of abnormal tissues and disease processes?
(A) Histology
(B) Pathology
(C) Immunohistochemistry
(D) Cytology

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