Connective tissues

25 multiple-choice questions (MCQs) on connective tissue, designed for a medium to advanced level:

1. Which of the following is NOT a characteristic feature of connective tissue?

   a) Presence of a matrix  

   b) Specialized cells  

   c) Avascularity  

   d) Fibrous proteins  

  

Ans - c

2. The extracellular matrix of connective tissue is composed of:

   a) Only ground substance  

   b) Only fibers  

   c) Ground substance and fibers  

   d) Cells and fibers  

  

Ans - C

3. Which connective tissue component is responsible for elasticity?

   a) Collagen fibers  

   b) Elastic fibers  

   c) Reticular fibers  

   d) Fibroblasts  

   

Ans - B

4. Which connective tissue type forms tendons and ligaments? 

   a) Loose connective tissue  

   b) Dense regular connective tissue  

   c) Dense irregular connective tissue  

   d) Reticular connective tissue  

   

Ans - B

5. Reticular connective tissue is primarily found in:

   a) Bone  

   b) Spleen  

   c) Tendons  

   d) Skin  

   

Ans - B

6. The main cell type in adipose tissue is:

   a) Fibroblast  

   b) Chondrocyte  

   c) Adipocyte  

   d) Osteoblast  

   

Ans - C

7. Which of the following is NOT a type of cartilage?

   a) Hyaline cartilage  

   b) Elastic cartilage  

   c) Fibrocartilage  

   d) Reticular cartilage  

   

Ans - D 

8. Hyaline cartilage lacks which of the following features? 

   a) Chondrocytes  

   b) Lacunae  

   c) Fibers visible under the light microscope  

   d) Perichondrium  

   

Ans -  C  

9. Elastic cartilage is primarily found in the:

   a) Intervertebral discs  

   b) Epiglottis  

   c) Articular surfaces of joints  

   d) Tendons  

  

Ans - B

10. Which connective tissue type is present in the dermis of the skin?

    a) Loose connective tissue  

    b) Dense regular connective tissue  

    c) Dense irregular connective tissue  

    d) Reticular connective tissue  

    

Ans - C

11. Bone marrow is an example of:

    a) Areolar tissue  

    b) Reticular tissue  

    c) Dense connective tissue  

    d) Adipose tissue  

    

Ans - B  

12. Which of the following cells are responsible for synthesizing collagen fibers? 

    a) Osteoblasts  

    b) Fibroblasts  

    c) Chondrocytes  

    d) Mast cells  

    

Ans - B

13. Plasma cells in connective tissue are primarily involved in: 

    a) Collagen synthesis  

    b) Immune responses  

    c) Histamine release  

    d) Phagocytosis  

    

Ans - B 

14. Mast cells secrete:

    a) Collagen  

    b) Histamine and heparin  

    c) Elastic fibers  

    d) Reticular fibers  

    

Ans - B  

15. Which is the predominant component of bone matrix?

    a) Collagen fibers  

    b) Hydroxyapatite  

    c) Reticular fibers  

    d) Elastic fibers  

    

Ans - B

16. Cartilage growth occurs through which process?

    a) Appositional and interstitial growth  

    b) Appositional growth only  

    c) Interstitial growth only  

    d) Calcification  

    

Ans - A  

17. The cells responsible for bone resorption are called:  

    a) Osteoblasts  

    b) Osteoclasts  

    c) Chondrocytes  

    d) Fibroblasts  

    

Ans - B

18. Adipose tissue primarily functions as:

    a) A site of hematopoiesis  

    b) A connective tissue barrier  

    c) Energy storage and insulation  

    d) A structural support framework  

    

Ans - C

19. Blood is classified as a connective tissue because:

    a) It contains collagen  

    b) It has a liquid matrix  

    c) It connects organs  

    d) It has a fibrous structure  

    

Ans - B  

20. Which disorder involves excessive collagen deposition in the skin and organs?

    a) Osteoarthritis  

    b) Rheumatoid arthritis  

    c) Scleroderma  

    d) Osteoporosis  

    

Ans - C  

21. Marfan syndrome is associated with mutations in:

    a) Collagen  

    b) Elastin  

    c) Fibrillin-1  

    d) Keratin  

    

Ans - C

22. Which connective tissue has the highest regenerative capacity?

    a) Cartilage  

    b) Bone  

    c) Tendons  

    d) Adipose tissue  

   

Ans - B

23. Dense irregular connective tissue differs from dense regular connective tissue in that it:

    a) Has a higher number of fibers  

    b) Lacks a well-organized arrangement of fibers  

    c) Contains no ground substance  

    d) Is avascular  

    

Ans - B  

24. The main difference between cartilage and bone is:

    a) Presence of cells in lacunae  

    b) Vascularity  

    c) Presence of collagen fibers  

    d) Function  

Ans - B

25. Which of the following is an embryonic connective tissue?

    a) Mesenchyme  

    b) Reticular tissue  

    c) Adipose tissue  

    d) Elastic cartilage  

    

Ans - A