Q: Which formula best represents the relationship between the density of glycosaminoglycans (GAGs) and the stiffness of connective tissue ground substance?

$\text{Stiffness} \propto \text{GAG density}$

Question 1

Which embryonic tissue is the origin of all connective tissues in the body?

Accepted Answer

Mesenchyme

Question 2

A patient suffers a tendon injury. Which connective tissue fiber is most responsible for the high tensile strength of tendons?

Accepted Answer

Collagen fibers

Question 3

Which cell type is primarily responsible for maintaining the matrix in mature cartilage?

Accepted Answer

Chondrocyte

Question 4

Which of the following is NOT a function of connective tissue?

Accepted Answer

Contraction for movement

Question 5

Which connective tissue subtype has a fluid matrix and is involved in the transportation of gases and nutrients?

Accepted Answer

Blood

Question 6

A biopsy reveals cells that are mitotic and actively secreting matrix in bone tissue. What is the most likely cell type?

Accepted Answer

Osteoblast

Question 7

Which component of the connective tissue extracellular matrix is responsible for trapping water and providing resistance to compression?

Accepted Answer

Proteoglycans with GAGs

Question 8

During an allergic reaction, which cell type in connective tissue releases histamine?

Accepted Answer

Mast cell

Question 9

Which connective tissue class provides a reservoir for water and salts and is found beneath epithelial layers?

Accepted Answer

Loose areolar connective tissue

Question 10

A patient with a deficiency in proteoglycans in their connective tissue ground substance would most likely experience which symptom?

Accepted Answer

Decreased resistance to compression

Question 11

Which connective tissue cell type is primarily involved in phagocytosis and defense against pathogens?

Accepted Answer

Macrophage

Question 12

Which formula best represents the relationship between the density of glycosaminoglycans (GAGs) and the stiffness of connective tissue ground substance?

Accepted Answer

$	ext{Stiffness} \propto 	ext{GAG density}$

Question 13

Which connective tissue fiber type forms delicate branching networks that support soft tissues such as lymph nodes?

Accepted Answer

Reticular fibers

Question 14

Which of the following best describes the role of adipocytes in connective tissue?

Accepted Answer

Store lipids for energy

Question 15

A patient with a connective tissue disorder has reduced elasticity in their skin. Which fiber type is most likely affected?

Accepted Answer

Elastic fibers

Question 16

Which connective tissue cell type is most likely to increase in number during an infection?

Accepted Answer

Leukocytes (white blood cells)

Question 17

Which of the following is a correct sequence for the maturation of connective tissue cells involved in matrix production?

Accepted Answer

Chondroblast → Chondrocyte

Question 18

Which connective tissue subtype is most likely to be found in ligaments and tendons, providing resistance to tension?

Accepted Answer

Dense regular connective tissue

Question 19

Which equation best describes the diffusion of nutrients and wastes between blood and connective tissue cells via interstitial fluid?

Accepted Answer

$J = -D \frac{dC}{dx}$

Question 20

Which connective tissue class is characterized by a hard matrix with inorganic salts and provides structural support for the body?

Accepted Answer

Bone

Connective Tissue: Structure, Types, and Functions

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