Anatomy Histology of Connective Tissues Questions and Answers

Question 1

A pathologist examining a biopsy from a torn Achilles tendon would primarily observe which histological feature?

Accepted Answer

Densely packed, parallel bundles of type I collagen fibers with flattened fibroblasts

Answer

Chondrocytes situated within lacunae in a glassy matrix

Answer

A meshwork of fine, branching reticular fibers supporting lymphocytes

Answer

A loose arrangement of collagen and elastic fibers with abundant ground substance

Question 2

In the stroma of a lymph node, which type of connective tissue forms a delicate, three-dimensional framework that supports the organ's cells, such as lymphocytes and macrophages?

Accepted Answer

Reticular connective tissue

Answer

Dense irregular connective tissue

Answer

Elastic connective tissue

Answer

Areolar connective tissue

Question 3

A histology slide of the articular surface of the femur shows a smooth, glassy matrix with cells residing in small cavities (lacunae). This tissue is avascular and lacks a perichondrium. Which type of cartilage is being observed?

Accepted Answer

Hyaline cartilage

Answer

Fibrocartilage

Answer

Elastic cartilage

Answer

Osseous tissue

Question 4

Which resident cell of connective tissue proper is responsible for synthesizing the protein fibers and amorphous ground substance of the extracellular matrix?

Accepted Answer

Fibroblast

Answer

Macrophage

Answer

Mast cell

Answer

Adipocyte

Question 5

A student observes a tissue sample under a microscope that shows large, closely packed cells, each with a single, large lipid droplet that pushes the nucleus to the periphery, creating a 'signet ring' appearance. What is the primary function of this tissue?

Accepted Answer

Energy storage, insulation, and physical protection

Answer

Forming a supportive framework for lymphoid organs

Answer

Providing flexible, stretchable support

Answer

Resisting tension from multiple directions

Question 6

Which of the following components of the extracellular matrix is a viscous, clear substance that fills the space between cells and fibers, and is composed primarily of glycosaminoglycans (GAGs), proteoglycans, and glycoproteins?

Accepted Answer

Ground substance

Answer

Interstitial fluid

Answer

Reticular lamina

Answer

Collagen fibers