QuestionSBA
QuestionChoice
Incorrect - Macrophages play a role in the inflammatory response of wound healing. They do not deposit extracellular matrix to form scars.
10008478
d
Macrophages
QuestionChoice
Incorrect - Collagen does not deposit extracellular matrix. Fibroblasts produce collagen and ground substance (extracellular matrix) to facilitate wound healing.
10008479
e
Collagen
QuestionChoice
Correct - Fibroblasts migrate to the site of an injury. Here they proliferate and deposit an extracellular matrix that facilitates scar formation.
10008475
a
Fibroblasts
QuestionChoice
Incorrect - Parenchymal cells are the cells that carry out the specific function of the organ or stroma, which in this case has become damaged. Scar formation is the replacement of parenchymal cells with stromal cells and a fibrotic extracellular matrix.
10008477
c
Parenchymal Cells
QuestionChoice
Incorrect - Neutrophils will infiltrate a wound within 24 hours but do not release extracellular matrix.
10008476
b
Neutrophils
Concept
Chapter
2693
4675
Keloid Scar
Topic
144
Dermatology
14242
A 13-year-old girl presents to Accident and Emergency after accidentally cutting her arm with a kitchen knife. She is concerned about the possibility of developing a permanent scar.

Which of the following cell types are responsible for the elaboration of extracellular matrix during scar formation?
a