Epithelial Tissue Characteristics
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Questions and Answers

What is the characteristic of epithelial cells in terms of shape?

  • They have a spherical shape
  • They have a variable shape (squamous, cuboidal, columnar) (correct)
  • They have a fixed shape
  • They have a rectangular shape
  • What is the function of the basement membrane in epithelial tissue?

  • It forms a barrier between epithelial and connective tissue (correct)
  • It provides structural support to epithelial cells
  • It provides nutrients to epithelial cells
  • It regulates the growth of epithelial cells
  • Which of the following is a characteristic of simple epithelia?

  • They have multiple layers of cells
  • They show polarity with uneven distribution of organelles and membrane proteins (correct)
  • They are only found in the nervous system
  • They have a uniform distribution of organelles
  • What is the term for the region of the cell that contacts the connective tissue?

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

    What is the term for the connective tissue that underlies the epithelia lining the organs of the digestive, respiratory, and urinary systems?

    <p>Lamina propria</p> Signup and view all the answers

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

    <p>It contains blood vessels</p> Signup and view all the answers

    What is the function of cellular junctions in epithelial tissue?

    <p>They adhere epithelial cells strongly to one another</p> Signup and view all the answers

    What is the function of papillae in epithelial tissue?

    <p>To increase the area of contact between the epithelium and connective tissue</p> Signup and view all the answers

    What is the primary function of the epidermis?

    <p>Protection of the underlying tissue</p> Signup and view all the answers

    What type of epithelial tissue is involved in secretion?

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

    What is the origin of epithelial tissues?

    <p>From all the embryonic layers</p> Signup and view all the answers

    What is the function of the basement membrane?

    <p>To separate the epithelium from the underlying tissue</p> Signup and view all the answers

    What is the composition of the basement membrane proper?

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

    What is the cell coat composed of?

    <p>Glycoproteins and glycolipids</p> Signup and view all the answers

    What is the name of the layer that is rich in reticular fibers?

    <p>Connective tissue layer</p> Signup and view all the answers

    What is the primary function of glandular epithelium?

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

    Exocrine glands are characterized by:

    <p>Retaining their connection with the surface through ducts</p> Signup and view all the answers

    What type of glands secrete hormones directly into the blood capillaries?

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

    What is the characteristic of merocrine glands?

    <p>The secretion leaves the cell by exocytosis and the cell membrane is left intact</p> Signup and view all the answers

    What is the characteristic of holocrine glands?

    <p>The cells become totally included in the secretion</p> Signup and view all the answers

    What type of gland is the pancreas?

    <p>Mixed exocrine and endocrine gland</p> Signup and view all the answers

    What is the classification of glands based on the shape of the secretory part and the branching of ducts?

    <p>Simple, simple branched, and compound</p> Signup and view all the answers

    What is the characteristic of apocrine glands?

    <p>Loss of the apical part of the cell during secretion</p> Signup and view all the answers

    What is the characteristic of sebaceous glands?

    <p>They are holocrine glands</p> Signup and view all the answers

    What is the classification of glands based on the number of cells?

    <p>Unicellular and multicellular glands</p> Signup and view all the answers

    What is the function of sustentacular cells in neuroepithelium?

    <p>To support neuroepithelial cells</p> Signup and view all the answers

    Which of the following is an example of a compound tubular gland?

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

    What is the characteristic of serous glands?

    <p>They secrete serous fluid containing water, albumin, and enzymes</p> Signup and view all the answers

    What is the function of the organ of Corti in the inner ear?

    <p>To perceive hearing</p> Signup and view all the answers

    What is the characteristic of myoepithelial cells?

    <p>They are modified to contract</p> Signup and view all the answers

    What is the main function of glandular epithelium?

    <p>Secretion of substances</p> Signup and view all the answers

    Which type of gland retains its connection with the surface by having ducts?

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

    What is the characteristic of merocrine glands?

    <p>The secretion leaves the cell by exocytosis and the cell membrane is left intact</p> Signup and view all the answers

    Which gland is an example of a mixed exocrine and endocrine gland?

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

    What is the term for glands that lose their connection with the surface?

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

    Which type of gland is formed of only one cell?

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

    What happens during the secretion of apocrine glands?

    <p>There is loss of the apical part of the cell</p> Signup and view all the answers

    What type of glands are characterized by cells bursting and becoming totally included in the secretion?

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

    What shapes can the secretory part of simple glands take?

    <p>Straight tubular, coiled tubular, and acinar</p> Signup and view all the answers

    Which type of glands secrete serous fluid containing water, albumin, and enzymes?

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

    What is the term for the type of epithelial cells that are modified to contract?

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

    What is the function of the neuroepithelium?

    <p>Perception of external stimuli</p> Signup and view all the answers

    Which type of glands have a secretory part that is branched and tubular?

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

    What is the name of the glands that secrete mucin?

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

    Which type of glands have a secretory part that is branched and tubulo-acinar?

    <p>Compound tubulo-acinar glands</p> Signup and view all the answers

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