Which of the following statements is true concerning fibroblasts?
a. They synthesize the extracellular matrix of connective tissue.
b. They are not normally present in healthy connective tissue.
c. They are undifferentiated precursor cells.
d. They are circulating cells.
ANS: A
Connective tissue is made of cells and extracellular matrix. Fibroblasts are a type of resident cell
that not only serves a role as the cellular component but actually synthesizes the extracellular
matrix in which the cells reside. Fibroblasts play a large role in the synthesis of collagen, which is
the fibrillar component of most extracellular matrixes.
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The work status is a common feature updated on each Provider's:
a. Final Report. b. Initial Report. c. Progress Report. d. Therapy Progress Report.
A device consisting of increasing increments of an absorbing material is called a "reference film."
Indicate whether the statement is true or false