Epithelial Cells Structure and Types
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Questions and Answers

What is the characteristic of pseudostratified epithelial cells?

  • They are typically found in the uterine glands.
  • They are composed of multiple layers of cells.
  • They have a long column-like shape.
  • They appear to be multiple cells but are actually a single type of cell. (correct)

What is the function of microvilli in epithelial cells?

  • To increase the surface area for absorption (correct)
  • To sense the environment
  • To provide movement
  • To secrete hormones

Which type of epithelial cell is characteristically found in the intestine and uterine glands?

  • Cuboidal
  • Tubular (correct)
  • Columnar
  • Squamous

What is the process by which merocrine glands release their product?

<p>Vesicles fuse with the cell surface membrane to secrete the product. (B)</p> Signup and view all the answers

What is the characteristic of holocrine glands?

<p>The mature cell dies to secrete the product. (A)</p> Signup and view all the answers

What is the main difference between exocrine and endocrine glands?

<p>The presence or absence of a duct system. (B)</p> Signup and view all the answers

What is the primary function of columnar epithelial cells?

<p>Absorption of nutrients (A)</p> Signup and view all the answers

What is the characteristic that distinguishes stratified epithelial cells from simple epithelial cells?

<p>The presence of multiple layers of cells (B)</p> Signup and view all the answers

What type of epithelial cell is typically found in the respiratory tract?

<p>Pseudostratified epithelial cells (B)</p> Signup and view all the answers

What is the function of stereocilia in epithelial cells?

<p>Sense organs (A)</p> Signup and view all the answers

What is the characteristic of tubular glands?

<p>They are found in the intestine and uterine glands (B)</p> Signup and view all the answers

What is the process by which apocrine glands release their product?

<p>Part of the cell is pinched off to release the product (B)</p> Signup and view all the answers

What is the primary function of cilia in epithelial cells?

<p>Movement (A)</p> Signup and view all the answers

Which type of epithelial cell is characterized by a cubic shape and is involved in secretion?

<p>Cuboidal (A)</p> Signup and view all the answers

What is the main difference between simple and stratified epithelial cells?

<p>Number of layers (B)</p> Signup and view all the answers

What is the function of microvilli in absorptive epithelial cells?

<p>Increase surface area for absorption (D)</p> Signup and view all the answers

Which type of gland is characterized by the release of its product into the bloodstream?

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

What is the characteristic of columnar epithelial cells?

<p>Absorptive function (B)</p> Signup and view all the answers

What is the function of stereocilia in epithelial cells?

<p>Detect sensory stimuli (B)</p> Signup and view all the answers

What is the characteristic of cuboidal epithelial cells?

<p>Cuboidal shape (D)</p> Signup and view all the answers

What is the primary function of the basement membrane in epithelial cells?

<p>To separate the epithelial cells from the underlying supporting tissue (C)</p> Signup and view all the answers

What is the characteristic shape of squamous epithelial cells?

<p>Slightly irregular (B)</p> Signup and view all the answers

What is the primary function of endothelial cells?

<p>To line the inner surface of blood vessels and lymphatic vessels (A)</p> Signup and view all the answers

What is the characteristic of glands that release their product into the bloodstream?

<p>They have no duct system and release the product directly into the bloodstream (A)</p> Signup and view all the answers

What is the primary function of cilia in epithelial cells?

<p>To facilitate the movement of substances across the epithelial cell layer (C)</p> Signup and view all the answers

What is the characteristic of secretory epithelial cells?

<p>They have a lumen that crosses the cell (C)</p> Signup and view all the answers

What is the primary function of microvilli in epithelial cells?

<p>To increase the surface area of the epithelial cell for absorption (B)</p> Signup and view all the answers

What is the characteristic of coiled glands?

<p>They are characterized by a coiled shape, such as sweat glands (D)</p> Signup and view all the answers

What is the primary function of the basement membrane in epithelial cells?

<p>To separate the epithelial cells from the underlying supporting tissue (B)</p> Signup and view all the answers

What is the primary function of exocrine glands?

<p>To release products onto the epithelial surface or via ducts (A)</p> Signup and view all the answers

What is the characteristic of glands that release their products through a duct system?

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

What is the primary function of secretory epithelial cells?

<p>To produce and release secretory products (A)</p> Signup and view all the answers

Which type of gland is characterized by the release of its product into the bloodstream?

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

What is the characteristic of stratified epithelial cells?

<p>They have multiple layers of cells (C)</p> Signup and view all the answers

What is the primary function of endothelial cells?

<p>To line the inner surface of blood vessels and lymphatic vessels (C)</p> Signup and view all the answers

What is the primary function of the basement membrane in epithelial cells?

<p>To separate epithelial from underlying supporting tissue (D)</p> Signup and view all the answers

What type of epithelial cell is characterized by finger-like projections called microvilli?

<p>Columnar (D)</p> Signup and view all the answers

Which type of gland is characterized by the release of its product into the bloodstream?

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

What is the primary function of cilia in epithelial cells?

<p>To facilitate movement (A)</p> Signup and view all the answers

Which type of epithelial cell is characterized by a cubic shape and is involved in secretion?

<p>Cuboidal (A)</p> Signup and view all the answers

What is the characteristic of simple epithelial cells?

<p>Only one layer of cells (B)</p> Signup and view all the answers

What is the primary function of secretory epithelial cells?

<p>To secrete products (C)</p> Signup and view all the answers

Which type of gland is characterized by the release of its product through a duct system?

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

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