Connective Tissue Quiz
Questions: 16 · 10 minutes
1. Reticular fibers are composed mainly of which collagen type?
Type IV collagen
Type I collagen
Type II collagen
Type III collagen
2. Which connective tissue cell contains granules rich in histamine and participates in immediate inflammatory responses?
Mast cell
Fibrocyte
Chondrocyte
Osteocyte
3. Which connective tissue cell is specialized for phagocytosing cellular debris and microorganisms?
Macrophage
Fibroblast
Adipocyte
Plasma cell
4. A large multinucleated cell is found along a shallow depression on the surface of bone. Which process is it most likely performing?
Producing elastic fibers
Resorbing mineralized bone matrix as an osteoclast
Depositing new osteoid as an osteoblast
Maintaining cartilage from within a lacuna
5. A tendon must resist strong pulling forces applied mainly in one direction. Which organization is best suited to this function?
Parallel bundles of type I collagen
Loosely scattered fibers in abundant ground substance
Interwoven collagen bundles running in many directions
A branching network of reticular fibers
6. How do glycosaminoglycans in connective tissue ground substance help the matrix resist compression?
They contract when stimulated by motor neurons
They mineralize into calcium phosphate crystals
They attract and retain water within the matrix
They assemble into thick, parallel collagen bundles
7. A slide shows loosely arranged collagen and elastic fibers beneath an epithelium, with abundant ground substance and several cell types. Which tissue is most likely present?
Dense irregular connective tissue
Fibrocartilage
Dense regular connective tissue
Areolar connective tissue
8. A respiratory specimen shows C-shaped support rings containing rounded cells in lacunae within a smooth, glassy matrix. Which tissue forms these rings?
Elastic cartilage
Fibrocartilage
Hyaline cartilage
Dense regular connective tissue
9. During scar formation, fibroblasts deposit fibers that provide substantial tensile strength. Which fiber is the principal contributor?
Type II collagen fibers
Elastic fibers only
Reticular fibers only
Type I collagen fibers
10. A tissue from the wall of a large artery contains abundant branching elastic fibers. What property do these fibers provide?
Mineral storage under compression
A rigid framework that prevents any deformation
Stretch followed by recoil toward the original shape
A surface for rapid epithelial diffusion
11. Most connective tissues in the body develop primarily from which embryonic tissue?
Endodermal epithelium
Mesenchyme
Surface ectoderm
Neural tube epithelium
12. A cell has an eccentric nucleus with coarse chromatin arranged in a clock-face pattern and deeply basophilic cytoplasm. What is its principal function?
Secreting antibodies
Storing triglycerides
Producing collagen fibers
Resorbing bone
13. Which microscopic feature best identifies a typical white adipocyte?
Several small lipid droplets surrounding a central nucleus
One large lipid droplet displacing the nucleus toward the cell edge
Parallel collagen bundles with flattened nuclei between them
A cell enclosed within a lacuna in a firm matrix
14. A cartilage specimen has no blood vessels. How do its chondrocytes normally receive oxygen and nutrients?
Through capillaries contained inside each lacuna
By diffusion through the extracellular matrix
Through direct connections to nearby motor neurons
By producing nutrients within the territorial matrix
15. A connective tissue cell has abundant rough endoplasmic reticulum and a prominent Golgi apparatus. Which activity is most consistent with this appearance?
Resorption of mineralized bone matrix
Storage of one large neutral-fat droplet
Active synthesis and secretion of extracellular matrix proteins
Release of histamine from cytoplasmic granules
16. A dermal specimen contains thick collagen bundles arranged in multiple directions. Which tissue type and function best match this observation?
Dense regular connective tissue, resisting tension along one axis
Reticular connective tissue, forming articular surfaces
Areolar connective tissue, storing energy in lipid droplets
Dense irregular connective tissue, resisting stress from several directions