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What is one of the main functions of epithelium in the body?

  • Bone formation
  • Nerve signal transmission
  • Selective absorption (correct)
  • Energy storage
  • Which type of epithelium is typically found in the skin's outer layer?

  • Simple cuboidal
  • Simple columnar
  • Pseudostratified columnar
  • Stratified squamous (correct)
  • How are epithelial cells structurally polarized?

  • They have only one domain.
  • They possess apical, lateral, and basal domains. (correct)
  • They are completely symmetrical.
  • They lack intercellular junctions.
  • What type of epithelium is utilized primarily for secretion?

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

    Which of the following is NOT a characteristic of epithelial cells?

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

    In which type of epithelium are cilia commonly found?

    <p>Pseudostratified columnar</p> Signup and view all the answers

    What is the term used for the protective layer below the epithelial tissue?

    <p>Basement membrane</p> Signup and view all the answers

    Which classification of epithelium is characterized by only one cell layer?

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

    What is a primary function of simple cuboidal epithelium?

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

    Where can you typically find simple squamous epithelium?

    <p>Alveoli of lungs</p> Signup and view all the answers

    Which of the following statements accurately describes simple columnar non-ciliated epithelium?

    <p>Microvilli are present on the surface of the cells.</p> Signup and view all the answers

    Which of the following cell types is characteristic of simple columnar ciliated epithelium?

    <p>Goblet cells</p> Signup and view all the answers

    What is a distinctive feature of simple cuboidal epithelium compared to simple squamous epithelium?

    <p>Cells are cube or box-shaped.</p> Signup and view all the answers

    What type of epithelium is primarily involved in the excretion processes in the gastrointestinal tract?

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

    Which layer is found beneath all types of epithelium mentioned?

    <p>Basement membrane</p> Signup and view all the answers

    Simple columnar ciliated epithelium plays a crucial role in which of the following locations?

    <p>Bronchi and uterine tubes</p> Signup and view all the answers

    What type of cells are found in the non-ciliated variant of pseudostratified epithelium?

    <p>Both tall and short cells</p> Signup and view all the answers

    Which of the following correctly describes the keratinized stratified squamous epithelium?

    <p>The surface layer is composed of non-nucleated, keratinized cells</p> Signup and view all the answers

    What is the characteristic feature of the non-keratinized stratified squamous epithelium?

    <p>Nucleated superficial squamous cells</p> Signup and view all the answers

    In which anatomical locations is non-keratinized stratified squamous epithelium typically found?

    <p>Oral cavity and esophagus</p> Signup and view all the answers

    What structure is primarily responsible for the epithelium in the urinary tract being classified as transitional?

    <p>Variation in cell thickness during stretching</p> Signup and view all the answers

    Which type of epithelial tissue contains goblet cells and cilia?

    <p>Ciliated pseudostratified epithelium</p> Signup and view all the answers

    Which statement best describes the basal layer of the transitional epithelium in a relaxed state?

    <p>It is composed of a single layer of cuboidal cells</p> Signup and view all the answers

    What characteristic distinguishes the superficial layer of keratinized stratified squamous epithelium from the non-keratinized version?

    <p>Lack of nuclei in the superficial layer</p> Signup and view all the answers

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