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Epithelial Tissue Quiz
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Epithelial Tissue Quiz

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Questions and Answers

Which of the following is a characteristic of epithelial tissue?

  • It is highly vascularized
  • It has a lot of extracellular matrix
  • It is primarily found in connective tissue
  • It is polarized with a free surface (correct)

    • What is the main function of epithelial tissue?

  • To serve as a protective covering (correct)
  • To transmit electrical signals
  • To provide support and structure
  • To produce and secrete hormones

    • What is the role of the basement membrane in epithelial tissue?

  • To provide nutrients to the cells
  • To anchor the tissue to underlying structures (correct)
  • To regulate the secretion of saliva
  • To facilitate cell-to-cell communication

    • Which of the following is NOT a function of epithelial cells?

    <p>Protection against bacteria</p> Signup and view all the answers

    What is the purpose of the mucosiliary elevator in the lung?

    <p>To move substances towards the mouth</p> Signup and view all the answers

    What happens to the cilia in the lungs of smokers?

    <p>They stop moving</p> Signup and view all the answers

    What is the main function of tight junctions in epithelial cells?

    <p>To limit transport of substances</p> Signup and view all the answers

    Which type of junction anchors the cell skeleton to the cell wall?

    <p>Adherent junction</p> Signup and view all the answers

    What happens when there is a mutation in the desmosomes?

    <p>Cells become disconnected from the underlying tissue</p> Signup and view all the answers

    Which type of epithelium has cells that are wider than they are high?

    <p>Squamous epithelium</p> Signup and view all the answers

    What is the function of hemi desmosomes?

    <p>Connecting cells to the base lamina</p> Signup and view all the answers

    Epithelial tissue always has a free surface.

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

    The basement membrane of epithelial tissue is mainly composed of collagen 4.

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

    Epithelial tissue is highly vascularized.

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

    True or false: Desmosomes are junctions that anchor cells to each other and help them withstand shearing forces.

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

    True or false: Mutations in desmosomes can lead to a blistering disease where epithelial layers disconnect from the underlying tissue.

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

    True or false: Hemi desmosomes connect cells to the base lamina underneath the epithelial layer.

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

    True or false: Simple cuboidal epithelium is characterized by cells that are wider than they are high.

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

    True or false: Epithelial cells in the lung secrete a watery solution and a mucous solution to facilitate the movement of trapped substances towards the mouth?

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

    True or false: Smoking can paralyze the cilia in the lungs and inhibit their ability to function effectively?

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

    True or false: Mucociliary clearance is impaired in individuals with mucovicidosis or cystic fibrosis due to the production of thick and concentrated mucus?

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

    True or false: Tight junctions in epithelial cells form a barrier that limits the transport of substances from the apical side to the basal side?

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

    Which type of epithelium is found in the trachea or windpipe?

    <p>Simple columnar epithelium</p> Signup and view all the answers

    What is the main function of stratified squamous epithelium?

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

    What is the characteristic feature of keratinized stratified squamous epithelium?

    <p>Presence of dead cells on the surface</p> Signup and view all the answers

    Which type of gland secretes a waxy substance that comes out of your ears?

    <p>Holocrine glands</p> Signup and view all the answers

    Which type of gland produces fatty substances that make your hair oily?

    <p>Holocrine glands</p> Signup and view all the answers

    Which type of gland is known as acryne glands?

    <p>Merocrine glands</p> Signup and view all the answers

    Which type of gland is involved in the production of sweat?

    <p>Exocrine glands</p> Signup and view all the answers

    Which type of gland secretes its products into the bloodstream or into capillaries?

    <p>Endocrine gland</p> Signup and view all the answers

    What is the main function of merocrine glands?

    <p>To secrete watery products</p> Signup and view all the answers

    Which of the following is NOT an example of exocrine glands?

    <p>Thyroid gland</p> Signup and view all the answers

    What is the physiological classification of epithelia based on?

    <p>Their function</p> Signup and view all the answers

    True or false: The lining of the blood vessels is an example of an exocrine gland.

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

    True or false: The liver is an example of an endocrine gland.

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

    True or false: Merocrine glands make watery products without affecting the cells.

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

    True or false: Apocrine glands secrete their products by part of the cell being secreted along with the product.

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

    True or false: Cuboidal epithelium is found in the trachea.

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

    True or false: Stratified squamous epithelium is found in the skin.

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

    True or false: Keratinized epithelium is found in the windpipe.

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

    True or false: Holocrine glands secrete the entire cell as part of the secretion?

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

    True or false: Merocrine glands are also known as acryne glands?

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

    True or false: Exocrine glands secrete their products into the bloodstream or capillaries?

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

    True or false: Endocrine glands include the pituitary gland, thyroid, thymus, adrenal gland, pancreas, and ovaries or testis?

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

    Which system is responsible for regulating body function over long distances?

    <p>Endocrine system</p> Signup and view all the answers

    Which system is responsible for the movement of the body?

    <p>Muscular system</p> Signup and view all the answers

    Which system is responsible for protecting the body against pathogens?

    <p>Immune system</p> Signup and view all the answers

    What is the main function of the senses in an organism?

    <p>To process data</p> Signup and view all the answers

    What is a possible function of an organ that can burn excessive calories?

    <p>To generate heat</p> Signup and view all the answers

    What is the purpose of sweat glands in the context of an organ that burns excessive calories?

    <p>To regulate body temperature</p> Signup and view all the answers

    What is the role of a barrier in an organ that can produce fire?

    <p>To prevent heat from damaging the rest of the body</p> Signup and view all the answers

    True or false: The integumentary system includes the skin, hair, and nails.

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

    True or false: The endocrine system is responsible for regulating body function over long distances.

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

    True or false: The excretory system includes the kidneys and bladder.

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

    The interactions of an organism with the environment include food and drink, uptake and excretion, and gas exchange.

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

    The senses are not necessary for an organism to react to the environment.

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

    One of the suggestions for an organ in the organ system that burns excessive calories was a sensor for calorie intake.

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

    The purpose of sweat glands in the context of an organ that burns excessive calories is to get rid of the extra heat and prevent the body from overheating.

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

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