Histology Basics: The 4 Basic Tissues in Human Body
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Questions and Answers

What is the specific protein responsible for deciding what goes from one cell to another?

  • Connexon
  • Claudin (correct)
  • Collagen
  • Actin

    • Which type of junction is associated with actin filaments and forms a continuous belt around the circumference of epithelial cells?

  • Desmosomes
  • Gap junctions
  • Adherens junctions (correct)
  • Basal junctions

    • Which type of junction is associated with intermediate filaments and is found in epithelial cells subjected to stretching, such as skin and uterus?

  • Lateral junctions
  • Gap junctions
  • Desmosomes (correct)
  • Adherens junctions

    • Which type of junction enables the exchange of ions in cells with electrical activity and is formed by connexons?

    <p>Gap junctions</p> Signup and view all the answers

    Where is the apical/luminal surface of epithelial cells exposed?

    <p>To the outside of the body or internal cavity it lines</p> Signup and view all the answers

    What is the function of microvilli on the surface of epithelial cells?

    <p>To increase surface area for absorption</p> Signup and view all the answers

    Where are stereocilia found in the human body?

    <p>In male reproductive system and inner ear</p> Signup and view all the answers

    What is the function of motile cilia on epithelial cells?

    <p>To transport secretions</p> Signup and view all the answers

    Where are replacement cells for epithelial tissues produced?

    <p>By adult stem cells through mitotic divisions</p> Signup and view all the answers

    What is the specific protein that forms gap junctions?

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

    Which type of tissue in the human body is responsible for movement?

    <p>Muscle tissue</p> Signup and view all the answers

    What is the main function of epithelial tissue in the human body?

    <p>Covering body surfaces and lining body cavities</p> Signup and view all the answers

    Which feature holds epithelial cells together near the luminal border to prevent diffusion of molecules between adjacent cells?

    <p>Tight junction</p> Signup and view all the answers

    Which type of tissue supports the other 3 basic tissues in the human body both structurally and functionally?

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

    Which type of tissue is avascular in the human body, meaning it has no blood vessels?

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

    What is the main function of muscle tissue in the human body?

    <p>Responsible for movement</p> Signup and view all the answers

    Which type of tissue is responsible for receiving, transmitting, and integrating information from outside and inside the body to control the activities of the body?

    <p>Nerve tissue</p> Signup and view all the answers

    What is the main function of connective tissue in the human body?

    <p>Supports the other tissues structurally and functionally</p> Signup and view all the answers

    What does nerve tissue do in the human body?

    <p>Receives, transmits, and integrates information</p> Signup and view all the answers

    What are the main functions of epithelial cells in the human body?

    <p>Covering body surfaces and lining body cavities</p> Signup and view all the answers

    True or false: Histology does not require the use of a microscope to view structures in detail?

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

    True or false: Muscle tissue is responsible for absorption of material from the lumen, such as in the small intestine?

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

    True or false: Nerve tissue does not receive, transmit, and integrate information from outside and inside the body to control the activities of the body?

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

    True or false: Each organ in the human body has at least one type of tissue?

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

    True or false: Epithelial tissue does not cover the exterior body surfaces?

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

    Adherens junctions are exactly the same structure as desmosomes, but are associated with actin filaments.

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

    The basal surface of epithelial cells is attached to a basement membrane that separates epithelial cells from surrounding connective tissues.

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

    Stereocilia are found in the male reproductive system, inner ear, and kidneys.

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

    Primary cilia function as sensory antennae and are not motile.

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

    Epithelial cells in the small intestine have a turnover rate of 4-6 days.

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

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