The Role of Elastin Fibers in Lung Function
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Questions and Answers

Which type of tissue mainly supports and binds other tissues?

  • Connective tissue (correct)
  • Epithelial tissue
  • Nervous tissue
  • Muscle tissue

    • What is the function of the fibroblasts in connective tissue?

  • To secrete extra-sevalve matrix (correct)
  • To provide blood supply through capillaries
  • To protect the body from pathogens
  • To connect the longitudinal and circular layers of smooth muscle

    • When is connective tissue exposed to the environment?

  • When you have an infection
  • When you cut through the skin (correct)
  • When you have a wound
  • When you look at your body

    • Which cells are involved in the immune system and belong to the cells of connective tissue?

    <p>Macrophages</p> Signup and view all the answers

    What is the function of adipose tissue in the connective tissue?

    <p>Stores energy reserves</p> Signup and view all the answers

    Which type of connective tissue is found in tendons and ligaments?

    <p>Fibrous connective tissue</p> Signup and view all the answers

    What is the main component of bone that gives it its hardness?

    <p>Hydroxyl appetite</p> Signup and view all the answers

    Which of the following is NOT a characteristic of bone?

    <p>Bone is a permanent structure</p> Signup and view all the answers

    What substance is found in the exosalogam matrix of cartilage?

    <p>Chondroitin sulfate</p> Signup and view all the answers

    What causes adipose tissue to appear as empty bubbles with few nuclei?

    <p>Fixation of the tissue in alcohol</p> Signup and view all the answers

    Which of the following is true about the interstitium?

    <p>It is a part of the connective tissue</p> Signup and view all the answers

    Which type of fiber provides strength and flexibility in connective tissues?

    <p>Collagenous fibers</p> Signup and view all the answers

    What is the main component of the ground substance in the extracellular matrix?

    <p>Water</p> Signup and view all the answers

    Which fiber type is responsible for joining connective tissue to adjacent tissues or organs?

    <p>Reticular fibers</p> Signup and view all the answers

    Which protein is the main component of bones?

    <p>Collagen</p> Signup and view all the answers

    True or false: Connective tissue is always exposed to the environment.

    <p>False</p> Signup and view all the answers

    True or false: Connective tissue mainly supports and binds other tissues.

    <p>True</p> Signup and view all the answers

    True or false: Connective tissue is usually avascular.

    <p>False</p> Signup and view all the answers

    True or false: Elastin fibers in the extracellular matrix can be replaced in the body.

    <p>False</p> Signup and view all the answers

    True or false: Dense regular connective tissue can be found in tendons and ligaments.

    <p>True</p> Signup and view all the answers

    True or false: Adipose tissue is responsible for storing energy reserves in the body.

    <p>True</p> Signup and view all the answers

    True or false: Cartilage is a strong and flexible support material in the body.

    <p>True</p> Signup and view all the answers

    True or false: Collagen fibers provide strength and flexibility in connective tissues.

    <p>True</p> Signup and view all the answers

    True or false: Elastin fibers are mostly expressed after birth and have a half-life of 74 years.

    <p>False</p> Signup and view all the answers

    True or false: The ground substance in the extracellular matrix is mainly composed of water.

    <p>True</p> Signup and view all the answers

    True or false: Reticular fibers are responsible for joining connective tissue to adjacent tissues or organs.

    <p>True</p> Signup and view all the answers

    True or false: Osteoporosis is caused by an imbalance between bone breakdown and bone synthesis?

    <p>True</p> Signup and view all the answers

    True or false: Adipose tissue appears as empty bubbles with few nuclei due to the fixation process?

    <p>True</p> Signup and view all the answers

    True or false: The interstitium is a newly discovered organ in the human body?

    <p>False</p> Signup and view all the answers

    True or false: The interstitium plays a role in generating gradients and is important for kidney function?

    <p>True</p> Signup and view all the answers

    Connective tissue is never exposed to the ______.

    <p>environment</p> Signup and view all the answers

    Connective tissue mainly supports and ______ other tissues.

    <p>binds</p> Signup and view all the answers

    Connective tissue is usually ______.

    <p>vascularized</p> Signup and view all the answers

    Collagen fibers provide strength and __________ in connective tissues.

    <p>flexibility</p> Signup and view all the answers

    Elastin fibers are mainly expressed during __________, before birth, and in the first few years after birth.

    <p>development</p> Signup and view all the answers

    The extracellular matrix consists of different types of __________, including collagen, elastin, and reticular fibers.

    <p>fibers</p> Signup and view all the answers

    The ground substance in the extracellular matrix is composed mainly of __________.

    <p>water</p> Signup and view all the answers

    Bone is constantly ______ and ______.

    <p>degraded, rebuilt</p> Signup and view all the answers

    Osteoporosis is usually due to a disbalance between bone ______ and bone ______.

    <p>breakdown, synthesis</p> Signup and view all the answers

    Adipose tissue in most tissue sections looks like white, empty ______ with a few nuclei in between.

    <p>bubbles</p> Signup and view all the answers

    The interstitium is a fluid filled spaces in between ______ bundles and cells and that is part of the connective tissue.

    <p>collagen</p> Signup and view all the answers

    Connective tissue establishes a structural framework so that could for example be ______ or cartilage.

    <p>bone</p> Signup and view all the answers

    Blood is also part of the connective tissue. It transports fluid and dissolved materials that is for example what ______ does.

    <p>blood</p> Signup and view all the answers

    The fibroblasts secrete the protein of extracellular fibers and form this ______.

    <p>extracellular matrix</p> Signup and view all the answers

    Adipose tissue is a part of the connective tissue and it stores ______ reserves.

    <p>energy</p> Signup and view all the answers

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