Human Anatomy: Oral Cavity and Pharynx
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Questions and Answers

What is the primary purpose of conducting airways?

  • To facilitate artificial airway insertion
  • To form the mucous membrane
  • To convey gas from the upper respiratory tract to the area of gas exchange (correct)
  • To participate in gas exchange with blood

    • What is the primary function of the pharynx in relation to the upper airway?

  • To facilitate artificial airway insertion
  • To convey gas from the upper respiratory tract to the area of gas exchange
  • To form the mucous membrane
  • To determine patency in the unconscious patient (correct)

    • What is the composition of the mucosa layer in conducting airways?

  • Pseudostratified, ciliated, goblet cells, and columnar epithelia (correct)
  • Adventitia, submucosa, and mucosa
  • Smooth muscle fibers, bronchial glands, and connective tissue
  • Connective tissue, bronchial glands, and epithelial cells

    • What is the term for the position of the head that helps to open the airway and facilitate artificial airway insertion?

    <p>Sniff position</p> Signup and view all the answers

    What is the purpose of the larynx in relation to the upper airway?

    <p>To determine patency in the unconscious patient</p> Signup and view all the answers

    What is the outermost layer of conducting airways?

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

    What is the primary function of the respiratory system?

    <p>Absorption of O2 and excretion of CO2</p> Signup and view all the answers

    Which of the following structures is responsible for filtering inspired air in the nasal cavity?

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

    What is the main function of the sinuses?

    <p>To reduce weight of the head and strengthen the skull</p> Signup and view all the answers

    Which of the following structures is NOT part of the upper respiratory tract?

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

    What is the function of the pharynx in the upper respiratory tract?

    <p>To passageway for gas flow</p> Signup and view all the answers

    Where are the vocal cords located in the upper respiratory tract?

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

    What is the function of the valve-like structure that separates the trachea from the esophagus?

    <p>Prevents food from entering the airway</p> Signup and view all the answers

    Which of the following is responsible for triggering the gag reflex?

    <p>Posterior portion of the tongue</p> Signup and view all the answers

    What is the name of the passage that forms a common pathway for air, food, and fluids?

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

    What is the name of the cartilage that lies just below the thyroid cartilage?

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

    What is the name of the tonsils located in the pharynx?

    <p>Palatine tonsils</p> Signup and view all the answers

    What is the function of the Eustachian tubes?

    <p>Linking the middle ear to the pharynx</p> Signup and view all the answers

    What is the primary cause of diaphragmatic paralysis in spinal cord injuries?

    <p>Injury at or above level of third cervical vertebrae</p> Signup and view all the answers

    What is the effect of abdominal wall muscle tensioning on diaphragm function?

    <p>It interferes with descent of the diaphragm</p> Signup and view all the answers

    Pulmonary circulation has a higher pressure than systemic circulation.

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

    The bronchial circulation supplies oxygen to the lung parenchyma.

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

    The alveolar-capillary membrane is responsible for controlling fluid exchange in the lung.

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

    The pulmonary circulation is responsible for supplying blood to the trachea and bronchi.

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

    The lungs are responsible for producing and processing a variety of chemicals and blood clots.

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

    The entire blood volume is circulated through the pulmonary circulation every 5 minutes at rest.

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

    The bronchial veins drain directly into the aorta.

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

    Gas exchange occurs at the bronchial-capillary membrane.

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

    The pulmonary circulation is responsible for picking up oxygen and dropping off CO2.

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

    The bronchial circulation supplies about 90% of the blood to the lung.

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

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