Epithelial tissue
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Questions and Answers

What is the primary function of epithelial tissue?

  • To secrete hormones
  • To provide sensation
  • To generate electricity
  • To provide protection and support (correct)

    • Which of the following is NOT a characteristic of epithelial tissue?

  • Avascular
  • Composed of polarized cells
  • Capable of producing electrical signals (correct)
  • Supported by connective tissue

    • What type of epithelial tissue is composed of flat, elongated cells with a round to oval nucleus?

  • Pseudostratified epithelium
  • Columnar epithelium
  • Simple squamous epithelium (correct)
  • Cuboidal epithelium

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

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

    Which surface of an epithelial cell is in contact with the basement membrane?

    <p>Basal surface</p> Signup and view all the answers

    Which of the following is a function of the epithelial tissue lining the respiratory system?

    <p>Cleaning the air passages</p> Signup and view all the answers

    Which type of epithelium is found lining the alveolar walls in the lungs?

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

    Which of the following is a characteristic of pseudostratified epithelium?

    <p>Composed of a single layer of irregularly shaped and sized cells</p> Signup and view all the answers

    Which type of epithelium lines the urinary passages?

    <p>Transitional epithelium (urothelium)</p> Signup and view all the answers

    What is the primary function of cilia in the upper respiratory tract?

    <p>To provide a cleansing activity</p> Signup and view all the answers

    Which type of squamous epithelium has a cornified (keratinized) surface?

    <p>Keratinized stratified squamous epithelium</p> Signup and view all the answers

    What is the primary function of the endothelium lining blood vessels and lymphatic vessels?

    <p>To facilitate the movement of substances across the vessel wall</p> Signup and view all the answers

    What is the primary function of the specialized plasma membrane in the superficial cells of the urinary bladder?

    <p>To act as an osmotic barrier between the urine and tissue fluids</p> Signup and view all the answers

    Which type of epithelium is MOST commonly used for exfoliative cytology?

    <p>Stratified squamous keratinized epithelium</p> Signup and view all the answers

    Where are the stem cells located in a stratified squamous keratinized epithelium?

    <p>In the stratum basale</p> Signup and view all the answers

    What is the primary function of exfoliative cytology?

    <p>To screen for epithelial lesions or neoplasia</p> Signup and view all the answers

    Which characteristic of a glandular epithelium is used to classify it?

    <p>All of the above</p> Signup and view all the answers

    Where are unicellular glands typically found?

    <p>Both a and b</p> Signup and view all the answers

    What is the shape of goblet cells due to the presence of abundant mucinogen granules?

    <p>Cup-shaped</p> Signup and view all the answers

    Which type of multicellular glands has pie-shaped secretory units with small lumen?

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

    What is the term used for the collective of secretory units and ducts in a compound gland?

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

    Which type of gland produces both mucus and serous secretion?

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

    What is the oily secretion produced by sebaceous glands known as?

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

    What type of product does a serous gland mainly secrete?

    <p>Watery product with enzymes</p> Signup and view all the answers

    Which of the following is NOT a function of epithelial tissues?

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

    Which specialized epithelial tissue conveys sensations from areas like the skin, ears, and tongue?

    <p>Sensory Epithelial Tissue</p> Signup and view all the answers

    What is the primary purpose of the basement membrane in relation to epithelial cells?

    <p>Support and anchorage</p> Signup and view all the answers

    Which tissue type lines the entire circulatory system to reduce friction between blood and vessel walls?

    <p>Epithelial Tissue</p> Signup and view all the answers

    What characteristic distinguishes epithelial cells due to their arrangement of surfaces?

    <p>Polarization with apical, lateral, and basal surfaces</p> Signup and view all the answers

    What is the main function of ciliated respiratory epithelium in the respiratory system?

    <p>Removal of dust particles/foreign bodies</p> Signup and view all the answers

    What is the primary function of the specialized plasma membrane in the superficial cells of the urinary bladder?

    <p>To provide an osmotic barrier between urine and tissue fluids</p> Signup and view all the answers

    Where are the stem cells located in a stratified squamous keratinized epithelium?

    <p>In the stratum basale</p> Signup and view all the answers

    Which type of epithelium is MOST commonly used for exfoliative cytology?

    <p>Stratified squamous keratinized epithelium</p> Signup and view all the answers

    What is the primary function of exfoliative cytology?

    <p>To screen for lesions or neoplasia</p> Signup and view all the answers

    Which type of gland produces both mucus and serous secretion?

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

    Which characteristic of a glandular epithelium is used to classify it?

    <p>All of the above</p> Signup and view all the answers

    What is the term for the collective of secretory units and ducts in a compound gland?

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

    Which type of gland produces oily secretion known as sebum?

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

    What is the primary characteristic of acinar glands?

    <p>Pie-shaped secretory units with small lumen</p> Signup and view all the answers

    Which glandular epithelium type mainly secretes a slick, viscous secretion?

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

    What is the shape of goblet cells primarily due to?

    <p>Abundant mucinogen granules</p> Signup and view all the answers

    What is the term used to describe the division of large glands into lobes?

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

    What is the characteristic shape and location of the nucleus in simple columnar epithelium?

    <p>Ovoid nucleus located near the base of the cell</p> Signup and view all the answers

    Which of the following epithelial tissues is composed of a single layer of irregularly shaped and sized cells where not all cells reach the apical surface?

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

    Which epithelial tissue lines the urinary passages and has the ability to stretch and accommodate varying volumes?

    <p>Transitional epithelium (urothelium)</p> Signup and view all the answers

    Which type of epithelial tissue is found lining the luminal surface of the stomach, small and large intestine, and gall bladder?

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

    Which epithelial tissue is composed of several layers of cells, with the superficial cells determining the name based on their squamous shape?

    <p>Stratified squamous epithelium</p> Signup and view all the answers

    Which type of epithelial tissue is found lining the nasal cavity and upper respiratory tract, and can be ciliated (motile)?

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

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