30 Questions
What is the main function of connective tissue?
Providing structural support, metabolic functions, and participating in defense and repair of the body
Which of the following tissues does connective tissue not link with?
Cardiac tissue
What are the main components of the extracellular matrix (ECM)?
Ground substance and fibers
Which component constitutes the amorphous gelatinous material in the ground substance of the extracellular matrix?
Glycosaminoglycans (GAG)
What is the only unsulfated glycosaminoglycan (GAG) found in the matrix of connective tissue?
Hyaluronic acid
What type of ion do the negatively charged sugars of glycosaminoglycans (GAG) attract?
$Na^+$ ions
What type of cells are elongated with ovoid nucleus and are called fibrocytes when inactive?
Fibroblasts
Which type of fibroblasts are specialized in segregating reticular fibers to support very cellular organs?
Reticular cells
What are the largest fixed cells of the connective tissue, with an ovoid shape and a central spherical nucleus?
Mast cells
Which migratory cells of the connective tissue are formed in the bone marrow and circulate in the blood, often moving to the tissues during inflammation?
Neutrophils
Which type of connective tissue has abundant ground substance and tissue fluid, with few fibers arranged loosely and disorderly?
Loose connective tissue
Where does elastic connective tissue appear in the body?
Blood vessels
What is the function of eosinophils in the immune response?
Release cytotoxins to fight parasites
Which type of cells are pluripotent cells that can differentiate into fibroblasts, endothelial cells, and smooth muscle cells under certain stimuli?
Pericytes
What is the function of basophils in the immune response?
Regulate inflammatory processes
What is a characteristic feature of lymphocytes?
Rounded nucleus occupying most of the cytoplasm
Where does reticular connective tissue appear in the body?
Liver
What is a characteristic feature of plasma cells?
Derived from B lymphocytes
Which component of the extracellular matrix provides tensile strength and elasticity to the tissue?
Elastin
What type of ion do the negatively charged sugars of glycosaminoglycans (GAG) attract?
Sodium ions
Which type of fibroblasts are specialized in segregating reticular fibers to support very cellular organs?
Pericytes
What is the main function of connective tissue?
Providing structure and support
Which migratory cells of the connective tissue are formed in the bone marrow and circulate in the blood, often moving to the tissues during inflammation?
Neutrophils
Where does elastic connective tissue appear in the body?
Lungs and skin
What is a characteristic feature of plasma cells?
Production of antibodies
What are the largest fixed cells of the connective tissue, with an ovoid shape and a central spherical nucleus?
Macrophages
What is the only unsulfated glycosaminoglycan (GAG) found in the matrix of connective tissue?
Hyaluronic acid
What type of cells are pluripotent cells that can differentiate into fibroblasts, endothelial cells, and smooth muscle cells under certain stimuli?
Mesenchymal stem cells
What is a characteristic feature of lymphocytes?
Formation of antibodies
Which type of cell is derived from mesenchymal cells and synthesizes most of the connective extracellular matrix?
Fibroblasts
Test your knowledge about the function and structure of connective tissue, which serves as a support tissue and links different types of tissues in the body. It also plays a role in metabolic processes, defense, protection, and repair.
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