5)Respiratory System Wall Structure and Functions Quiz
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Questions and Answers

What is the primary function of the conducting portion of the respiratory system?

  • Cleaning and moistening inhaled air (correct)
  • Generating voice
  • Providing immune protection
  • Facilitating gas exchange

    • Which of the following is NOT a function of the respiratory system?

  • Transport of oxygen to cells and removal of CO2
  • Heating of inhaled air
  • Regulating blood pressure (correct)
  • Removal of particles from inhaled air

    • Which of the following is a part of the conducting portion of the respiratory system?

  • Larynx (correct)
  • Bronchioles
  • Respiratory membrane
  • Alveoli

    • What is the main function of the mucus and kinocilia in the respiratory system?

    <p>Removing particles from inhaled air</p> Signup and view all the answers

    Which cell type is found in the alveolar epithelium?

    <p>Alveolar type I and type II cells</p> Signup and view all the answers

    What is the purpose of the turbinates (conchae) in the respiratory system?

    <p>Heating the inhaled air</p> Signup and view all the answers

    What type of epithelium covers the middle and lower turbinates?

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

    Which part of the nose traps large particles entering with inhaled air?

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

    What type of epithelium is specific to the olfactory region?

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

    Which structure contributes to the heating and humidification of inhaled air by creating turbulence?

    <p>Middle conchae</p> Signup and view all the answers

    What is the majority of the nasal cavity volume made up of?

    <p>Respiratory portion</p> Signup and view all the answers

    Which part of the nasal cavity has a rich vascular network in its lamina propria?

    <p>&quot;Respiratory portion&quot;</p> Signup and view all the answers

    What type of epithelium is present in larger bronchioles?

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

    What structures are absent in bronchioles?

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

    What type of cells do terminal bronchioles contain?

    <p>Cuboidal and clara cells</p> Signup and view all the answers

    What characterizes clara cells?

    <p>Have secretory granules in their cytoplasm</p> Signup and view all the answers

    Which part of the air conduction system is just before the gas exchange zones?

    <p>Terminal bronchioles</p> Signup and view all the answers

    What happens to the epithelium in very small bronchioles?

    <p>Turns into single-layered fibrillar cuboidal epithelium</p> Signup and view all the answers

    Which of the following statements about supporting cells is correct?

    <p>They provide mechanical and metabolic support to olfactory cells.</p> Signup and view all the answers

    What is the primary function of basal cells in the olfactory epithelium?

    <p>To replace olfactory neurons and supporting cells.</p> Signup and view all the answers

    Which of the following structures is responsible for providing a constant flow of fluid around the olfactory hairs?

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

    What type of epithelium is found in the nasopharynx?

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

    Which of the following statements about the larynx is correct?

    <p>It is approximately 4cm x 4cm in size.</p> Signup and view all the answers

    Which of the following structures is NOT part of the olfactory epithelium?

    <p>Bowman's glands</p> Signup and view all the answers

    What is the primary function of the cartilages in the larynx?

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

    What type of epithelium is present on the side of the epiglottis facing the tongue?

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

    How many C-shaped hyaline cartilage rings are typically present in the trachea?

    <p>Approximately 12</p> Signup and view all the answers

    What is the primary function of the C-shaped hyaline cartilage rings in the trachea?

    <p>To strengthen the tracheal wall and keep the lumen open</p> Signup and view all the answers

    What type of glands are present in the lamina propria of the trachea?

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

    What type of epithelium lines the trachea?

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

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