18 Questions
Which of the following cells in connective tissue is capable of engulfing bacteria and cellular debris by phagocytosis?
Macrophages
What is the function of fibroblasts in connective tissue?
Secrete proteins needed for fiber synthesis
What is the embryonic origin of fibroblasts in connective tissue?
Mesoderm
Which connective tissue cell differentiates into fibrocytes, the mature cells?
Fibroblasts
Which of the following connective tissue cells is most abundant?
Fibroblasts
What is the primary function of macrophages in connective tissue?
Engulf pathogens by phagocytosis
Which type of cells are not found in significant numbers in normal connective tissue but increase in number in response to certain conditions?
Macrophages
What is the specialized form of adipose tissue that is prominent in babies and metabolizes triglycerides for heat under the control of the CNS?
Brown Adipose Tissue
What is the smallest percentage (0-0.5%) of cells in connective tissue that increases when nearing death?
Plasma Cells
Which matrix component of connective tissue prevents tissue cells from touching one another?
Glycosaminoglycans (GAGs)
What type of cell will hematopoietic stem cells form?
Plasma Cells
Which substance, providing support and adhesiveness, is referred to as a jelly-like substance?
Chondroitin Sulfate
Which type of connective tissue cell is characterized by irregularly shaped cells, semifluid ground substance, and delicate reticular fibers?
Mesenchyme cells
What classical disease is historically associated with sailors and results from defective collagen formation due to a lack of vitamin C?
Scurvy
Which type of disease is characterized by mutations in genes responsible for coding types I and III collagen?
Ehlers-Danlos syndrome
Which type of cell helps form the stroma supporting frameworks of soft organs and the basement membrane?
Smooth muscle cells
In connective tissue, where can mesenchyme cells be found in adults?
Under the skin
What is the main effect of mutations in genes coding for collagen types I and III?
Reduced tensile strength in supporting tissues
This quiz covers topics such as characterizing connective tissue, differentiating connective tissue cells and matrix, and describing types of connective tissue proper. Learn about the two basic elements, types of cells, and their characteristics and functions in histology.
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