Connective Tissue Quiz

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Connective Tissue Quiz - Quiz

Quiz on connective tissue and functions


Questions and Answers
  • 1. 

    What are the four main classes of connective tissue 

    • A.

      Bone, cartilage, blood, and tissue proper

    • B.

      Fluid, cells, fat cells, and tissue proper

    Correct Answer
    A. Bone, cartilage, blood, and tissue proper
    Explanation
    The four main classes of connective tissue are bone, cartilage, blood, and tissue proper. This means that connective tissue can be classified into these four categories based on their composition and functions. Bone tissue provides support and protection to the body, cartilage tissue acts as a cushion between bones and provides flexibility, blood tissue transports oxygen and nutrients throughout the body, and tissue proper includes various types of connective tissue such as fibrous and adipose tissue.

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  • 2. 

    How are the function related to the classes of the connective tissue 

    Correct Answer
    the functions are binding and support which is the job for the fat cells in the tissue proper. another function is protection which is provided my the cartilage. insulation which is provided by bone. and transportation which is provided by the blood.
    Explanation
    The functions mentioned in the answer are related to the different classes of connective tissue. Fat cells in the tissue proper provide binding and support. Cartilage provides protection. Bone provides insulation. Blood provides transportation.

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  • 3. 

    What  are some of the common characteristics pf connective tissue

    Correct Answer
    all comes from mesenchyme , degrees of vascularity, and extracellular matrix which allows the tissue to bear weight and separates the cells of the tissue.
    Explanation
    Connective tissue is a type of tissue that shares some common characteristics. Firstly, it all originates from mesenchyme, which is an embryonic tissue. Secondly, connective tissue varies in its degree of vascularity, meaning some types may have more blood vessels than others. Lastly, connective tissue is characterized by its extracellular matrix, which provides support, allows the tissue to bear weight, and separates the cells within the tissue.

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  • 4. 

    What are the 3 main elements of connective tissue?

    Correct Answer
    ground substance, fibers, cells
    Explanation
    The three main elements of connective tissue are ground substance, fibers, and cells. Ground substance is a gel-like substance that fills the space between cells and fibers, providing support and lubrication. Fibers, such as collagen and elastin, give the tissue its strength and flexibility. Cells, such as fibroblasts and macrophages, are responsible for producing and maintaining the extracellular matrix, as well as carrying out various immune and repair functions. These three elements work together to give connective tissue its structure and function.

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  • 5. 

    Explain ground substance

    Correct Answer
    it is the unstructured material that fills the space between the cells and contains the fibers
    Explanation
    Ground substance is the unstructured material that fills the space between the cells and contains the fibers. It provides support and cushioning to the cells, allowing for their proper functioning. The ground substance is composed of a gel-like substance that contains water, ions, and various macromolecules such as proteoglycans and glycoproteins. These macromolecules contribute to the viscosity and elasticity of the ground substance, creating a favorable environment for cell movement and nutrient diffusion. Additionally, the fibers present in the ground substance, such as collagen and elastin, provide structural support and contribute to the overall strength and resilience of the extracellular matrix.

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  • 6. 

    What is the composition of the ground substance 

    Correct Answer
    interstitial (tissue) fluid, cell adhesion proteins, and proteoglycans
    Explanation
    The composition of the ground substance includes interstitial (tissue) fluid, cell adhesion proteins, and proteoglycans. Interstitial fluid is the fluid that surrounds cells and provides them with nutrients and removes waste products. Cell adhesion proteins help cells stick together and maintain tissue integrity. Proteoglycans are large molecules made up of proteins and carbohydrates that provide structural support and help regulate the movement of molecules within the extracellular matrix. Together, these components make up the ground substance, which plays a critical role in maintaining tissue structure and function.

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  • 7. 

    What is the function of cell adhesion proteins 

    Correct Answer
    serve as a glue for the connective tissue and allows the connective tissue cells to attach to the matrix
    Explanation
    example fibronectiin and laminin

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  • 8. 

    Glycosaminoglycans do what

    Correct Answer
    GAGS intertwine and trap water that can change from a fluid to a viscous gel
    Explanation
    the higher the GAG content, the stiffer the ground substance is

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  • 9. 

    What are the GAGS role

    Correct Answer
    hold large amounts of fluid. serves as a medium through which nutrients can diffuse b/w capillaries and cells
    Explanation
    The GAGs (glycosaminoglycans) play a crucial role in holding large amounts of fluid and acting as a medium for the diffusion of nutrients between capillaries and cells. They have a high water-binding capacity due to their negatively charged structure, which allows them to attract and retain water molecules. This property helps to maintain the hydration and structural integrity of tissues. Additionally, the GAGs' structure creates spaces through which nutrients can easily diffuse from the blood vessels to the surrounding cells, ensuring proper nourishment of tissues.

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  • 10. 

    What is the role of the fibers in the c.t.

    Correct Answer
    provide support
    Explanation
    The fibers in the c.t. play a crucial role in providing support. These fibers are responsible for maintaining the structural integrity of the connective tissue. They help to strengthen and stabilize the tissue, allowing it to withstand tension and pressure. The fibers also help to connect different components of the tissue, creating a network that provides support to various organs and systems in the body. Without these fibers, the c.t. would be weak and prone to damage, compromising its ability to provide support to the body.

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  • 11. 

    What are the types of fibers in c..t.

    Correct Answer
    collagen, elastic, reticular
    Explanation
    Collagen, elastic, and reticular are the types of fibers found in connective tissue (c.t.). Collagen fibers provide strength and support to the tissue, while elastic fibers allow the tissue to stretch and recoil. Reticular fibers form a network that supports the cells and structures within the tissue. These three types of fibers work together to maintain the structural integrity and function of connective tissue.

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  • 12. 

    Describe collagen fibers

    Correct Answer
    they are white fibers. fibrous proteins, and extremely tough
    Explanation
    Collagen fibers are a type of connective tissue that are known for their white color, fibrous protein composition, and exceptional toughness. These fibers provide strength and support to various structures in the body, such as the skin, tendons, and bones. Due to their strong and durable nature, collagen fibers play a crucial role in maintaining the integrity and resilience of these tissues.

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  • 13. 

    Describe elastic fibers 

    Correct Answer
    long thin yellowish fibers. allow tissue to stretch and recoil. protein elastin
    Explanation
    Elastic fibers are long, thin, yellowish fibers that are responsible for allowing tissues to stretch and recoil. These fibers are made up of a protein called elastin.

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  • 14. 

    Describe reticular fibers

    Correct Answer
    thin fibers. surround small blood vessels
    Explanation
    Reticular fibers are thin fibers that surround small blood vessels. These fibers provide structural support and form a network-like framework within tissues. They are made up of a protein called collagen and are essential for maintaining the integrity and stability of organs and tissues. Reticular fibers also play a role in filtering substances and providing a supportive environment for cells.

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  • 15. 

    What are the two types of cells

    Correct Answer
    mature and immature
    Explanation
    The two types of cells are mature and immature. This classification is based on the developmental stage of the cells. Mature cells are fully developed and specialized to perform specific functions in the body, while immature cells are in the process of maturing and have the potential to differentiate into various cell types. This classification helps in understanding the differentiation and specialization of cells in different tissues and organs.

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  • 16. 

    Describe the cells with the suffix blast 

    Correct Answer
    the undifferentiated cells with the suffix blast are activily mitotic and secrete ground substance
    Explanation
    The cells with the suffix "blast" are undifferentiated cells that are actively dividing through mitosis. These cells also secrete ground substance, which is a gel-like substance that fills the spaces between cells and provides support and nourishment to surrounding tissues.

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  • 17. 

    What are the primary blast cell types by connective tissue class 

    Correct Answer
    connective tissue proper: fibroblast cartilage: chondroblast bone: osteoblast blood: hematopoietic stem cell
    Explanation
    The primary blast cell types for each connective tissue class are as follows:
    - Connective tissue proper: fibroblast. Fibroblasts are responsible for producing and maintaining the extracellular matrix in connective tissues.
    - Cartilage: chondroblast. Chondroblasts are responsible for producing and maintaining the cartilage matrix.
    - Bone: osteoblast. Osteoblasts are responsible for bone formation and mineralization.
    - Blood: hematopoietic stem cell. Hematopoietic stem cells are responsible for generating all types of blood cells.

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  • 18. 

    When the blast cells assume a less active state, what is the suffix

    Correct Answer
    cyte is the suffix and it goes into mature mode
    Explanation
    When blast cells assume a less active state, they undergo maturation and become mature cells. The term "cyte" is a suffix used to indicate a mature cell. Therefore, when blast cells become less active, they go into a mature mode and the suffix "cyte" is added to their name.

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  • 19. 

    What do the mature cells do

    Correct Answer
    maintain the health of the matrix
    Explanation
    Mature cells are responsible for maintaining the health of the matrix. The matrix refers to the extracellular environment surrounding cells, providing structural support and necessary nutrients. Mature cells play a vital role in ensuring the proper functioning and integrity of the matrix, which in turn supports the overall health of tissues and organs. They regulate the production and degradation of the matrix components, ensuring a balance between synthesis and breakdown. This maintenance is crucial for tissue homeostasis and proper cellular function.

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  • 20. 

    Describe mast cells 

    Correct Answer
    detect foreign substances and initiate local inflammatory responses against them
    Explanation
    Mast cells are a type of white blood cell that play a crucial role in the immune system. They are primarily found in tissues that are in contact with the external environment, such as the skin and mucous membranes. Mast cells have receptors on their surface that can detect foreign substances, such as allergens or pathogens. When these receptors are activated, mast cells release various chemical substances, including histamine and cytokines, which initiate a local inflammatory response. This response helps to eliminate the foreign substances and recruit other immune cells to the site of infection or injury.

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  • 21. 

    Contents of the secretory granules 

    Correct Answer
    heparin histamine proteases
    Explanation
    The secretory granules contain heparin, histamine, and proteases. Heparin is an anticoagulant that prevents blood clotting. Histamine is a chemical that is released during allergic reactions and causes inflammation. Proteases are enzymes that break down proteins. These substances are stored in secretory granules and are released when needed.

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  • 22. 

    Describe macrophages 

    Correct Answer
    large. phagocytize a broad variety of foreign materials
    Explanation
    Macrophages are a type of white blood cell that are larger in size compared to other immune cells. They play a crucial role in the immune system by engulfing and destroying foreign particles, such as bacteria, viruses, and dead cells, through a process called phagocytosis. Macrophages have the ability to recognize and eliminate a wide range of foreign materials, making them an important component of the body's defense against infections and diseases.

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