Question 1

Which of the following best explains why glycosaminoglycans (GAGs) are important in the ground substance of connective tissue?

Accepted Answer

They determine the consistency of the matrix by attracting water due to their hydrophilic nature.

Question 2

A patient suffers a torn ligament in the knee. Which connective tissue fiber is primarily responsible for the ligament's tensile strength, and what property does this fiber provide?

Accepted Answer

Collagen fibers; provide resistance to pulling forces

Question 3

Which of the following best describes the difference between -blasts and -cytes in connective tissue?

Accepted Answer

-Blasts are immature cells that produce ground substance and fibers, while -cytes are mature cells that maintain the matrix.

Question 4

Which connective tissue type is most specialized for energy storage and insulation, and what is the main cell type found in this tissue?

Accepted Answer

Adipose connective tissue; adipocytes

Question 5

Which of the following best explains why cartilage heals poorly after injury?

Accepted Answer

Cartilage lacks nerves and blood supply, so nutrients must diffuse from the perichondrium.

Question 6

Which connective tissue type forms the stroma of lymphoid organs and supports immune cells?

Accepted Answer

Reticular connective tissue

Question 7

A patient with Marfan syndrome has abnormally stretchy skin and blood vessels. Which connective tissue fiber is most likely defective in this condition?

Accepted Answer

Elastic fibers

Question 8

Which of the following is a function of mast cells in connective tissue?

Accepted Answer

Release of histamine and heparin during inflammation

Question 9

Which of the following best describes the composition and function of bone (osseous) tissue?

Accepted Answer

Composed of collagen and calcium salts, providing support and protection

Question 10

A blood sample is analyzed and found to contain erythrocytes, leukocytes, and platelets suspended in a liquid matrix. Which statement best describes this tissue?

Accepted Answer

It is a connective tissue with a liquid plasma matrix and formed elements.

Question 11

Which type of cartilage is most abundant in the body and is found at the ends of long bones, providing cushioning and support?

Accepted Answer

Hyaline cartilage

Question 12

A tissue sample from the external ear is examined. Which type of cartilage is present, and what property does it provide?

Accepted Answer

Elastic cartilage; provides flexibility and strength

Question 13

Which of the following best explains the role of reticular fibers in connective tissue?

Accepted Answer

They form supportive networks in organs such as lymph nodes and the spleen.

Question 14

A tendon is composed primarily of which type of connective tissue, and what is the main function of this tissue?

Accepted Answer

Dense regular connective tissue; resists unidirectional tensile forces

Question 15

Which of the following best describes the function of the ground substance in connective tissue?

Accepted Answer

It acts as a medium for exchange of nutrients and helps control passage of substances.

Question 16

A patient presents with a deficiency in fibroblasts. Which of the following processes would be most directly affected?

Accepted Answer

Synthesis of ground substance and fibers in connective tissue

Question 17

Which connective tissue type is best suited to resist compression and tensile forces, and what component gives it this property?

Accepted Answer

Hyaline cartilage; high water content and GAGs in the matrix

Question 18

A patient with a genetic disorder affecting the production of collagen would most likely experience problems in which of the following tissues?

Accepted Answer

Dense regular connective tissue, leading to weak tendons and ligaments

Question 19

Which of the following equations best represents the relationship between the components of connective tissue matrix?

Accepted Answer

$	ext{Matrix} = 	ext{Ground Substance} + 	ext{Fibers}$

Connective Tissues: Structure, Function, and Classification

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