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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Fill in the blank(s) with the appropriate word(s).
Your patient has been injured by a fall down a flight of steps. He is alert and oriented but complains of back and neck pain. You spinal immobilize him on a long spine board with a cervical collar on his neck as a precaution because you know that the:
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Continuous infusion therapy is also known as a/an _________________ _________________
Fill in the blank(s) with correct word