Cell Diversity and Functions

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Questions and Answers

Which stain is used to color acidic molecules in cells?

  • Methylene Blue
  • Safranin
  • Haematoxylin (correct)
  • Eosin

What is the function of epithelial cells?

  • Mechanical barrier
  • Chemical barrier
  • Absorption
  • All of the above (correct)

Which cell shape is tall and thin?

  • Columnar (correct)
  • Squamous
  • Cuboidal
  • Stratified

Which type of connective tissue is densely packed with collagen fibers and has fibers running in many directions?

<p>Dense irregular connective tissue (C)</p> Signup and view all the answers

Which type of muscle is involuntary, non-striated, and found in the walls of hollow organs?

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

Which type of cell in the nervous system produces myelin and supports axons?

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

Which stain is used to color basic molecules in cells?

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

What is the function of the basal lamina?

<p>To attach epithelial cells to the underlying tissue (C)</p> Signup and view all the answers

Which term describes the polarized nature of epithelial cells?

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

What are the functions of epithelial cells?

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

Which term describes epithelial cells that are tall and thin?

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

Which term describes epithelial cells that are flattened?

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

Which term describes epithelial cells that have multiple layers, all in contact with the basal lamina?

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

Which term describes epithelial cells that have one layer?

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

What are microvilli?

<p>Cell surface specializations (A)</p> Signup and view all the answers

What is the presence of specialized cell types in epithelial cells an example of?

<p>Cell/tissue surface specializations (B)</p> Signup and view all the answers

Which type of connective tissue is strong, flexible, compressible, and semi-rigid?

<p>Hard connective tissue (C)</p> Signup and view all the answers

Which type of bone makes up the outer shell of the shaft?

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

Which type of muscle is voluntary, striated, and multinucleated?

<p>Skeletal muscle (B)</p> Signup and view all the answers

Which type of muscle is involuntary, non-striated, and found in the walls of hollow organs?

<p>Smooth muscle (B)</p> Signup and view all the answers

Which type of muscle is involuntary, striated, and has a single nucleus at the center of the fiber?

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

What is the function of astrocytes in the central nervous system?

<p>Provide support and involved in ion transport (A)</p> Signup and view all the answers

What is the function of microglia in the central nervous system?

<p>Perform immune surveillance (A)</p> Signup and view all the answers

What is the function of Schwann cells in the peripheral nervous system?

<p>Produce myelin and support axons (A), Produce myelin and support axons (C)</p> Signup and view all the answers

What is the function of oligodendrocytes in the central nervous system?

<p>Produce myelin and support axons (A), Produce myelin and support axons (C)</p> Signup and view all the answers

What is the function of tendons and ligaments in the body?

<p>Connect bones and muscles (C)</p> Signup and view all the answers

Which stain is used to color acidic molecules in cells?

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

Which term describes epithelial cells that have one layer?

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

What is the function of the basal lamina?

<p>To support the epithelial cells (D)</p> Signup and view all the answers

What are microvilli?

<p>Cell/tissue surface specializations (D)</p> Signup and view all the answers

Which term describes epithelial cells that have multiple layers, all in contact with the basal lamina?

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

Which term describes epithelial cells that are tall and thin?

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

Which type of muscle is involuntary, non-striated, and found in the walls of hollow organs?

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

Which type of connective tissue is densely packed with collagen fibers and has fibers running in many directions?

<p>Dense irregular connective tissue (C)</p> Signup and view all the answers

Which type of muscle is involuntary, non-striated, and found in the walls of hollow organs?

<p>Smooth muscle (B)</p> Signup and view all the answers

What is the function of the basal lamina?

<p>Provide support and stability to epithelial cells (D)</p> Signup and view all the answers

What is the function of microglia in the central nervous system?

<p>Act as immune surveillance cells (A)</p> Signup and view all the answers

What is the function of tendons and ligaments in the body?

<p>Provide support and stability to joints (C)</p> Signup and view all the answers

Which type of bone makes up the outer shell of the shaft?

<p>Cortical bone (C)</p> Signup and view all the answers

What is the function of astrocytes in the central nervous system?

<p>Provide support and stability to neurons (A)</p> Signup and view all the answers

Which type of cell in the nervous system produces myelin and supports axons?

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

Which stain is used to color basic molecules in cells?

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

What is the function of the basal lamina?

<p>To attach epithelial cells to underlying tissue (D)</p> Signup and view all the answers

Which type of muscle is involuntary, non-striated, and found in the walls of hollow organs?

<p>Smooth muscle (C)</p> Signup and view all the answers

Which term describes epithelial cells that have one layer?

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

What are microvilli?

<p>Cell/tissue surface specializations (B)</p> Signup and view all the answers

Which type of connective tissue is densely packed with collagen fibers and has fibers running in many directions?

<p>Dense irregular connective tissue (D)</p> Signup and view all the answers

Which type of bone makes up the outer shell of the shaft?

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

Which type of connective tissue is densely packed with collagen fibers and has fibers running in many directions?

<p>Hard connective tissue (B)</p> Signup and view all the answers

What are the three types of cartilage mentioned in the text?

<p>Hyaline, elastic, fibrocartilage (D)</p> Signup and view all the answers

Which type of bone makes up the outer shell of the shaft?

<p>Cortical bone (B)</p> Signup and view all the answers

What is the function of microglia in the central nervous system?

<p>Immune surveillance (C)</p> Signup and view all the answers

Which type of muscle is voluntary, striated, and multinucleated?

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

What is the function of astrocytes in the central nervous system?

<p>Provide support and involved in ion transport (D)</p> Signup and view all the answers

Which term describes epithelial cells that have multiple layers, all in contact with the basal lamina?

<p>Stratified epithelium (C)</p> Signup and view all the answers

Which type of muscle is involuntary, non-striated, and found in the walls of hollow organs?

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

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