Respiratory Anatomy 1.2
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Questions and Answers

What is the primary function of the nasal cavity?

  • To warm, humidify, and filter air we breathe (correct)
  • To produce mucus
  • To facilitate speech
  • To expand the thoracic cavity

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

  • Trachea
  • Bronchi (correct)
  • Pharynx
  • Larynx

    • What is the oral cavity primarily responsible for?

  • Forming words and sounds for speech (correct)
  • Humidifying the air
  • Producing mucus
  • Filtering the air

    • What is the major difference between the upper and lower respiratory tracts?

    <p>Their primary functions</p> Signup and view all the answers

    According to our course, which part of the respiratory tract is NOT part of the upper respiratory tract?

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

    Where does the respiratory process start?

    <p>Nasal cavity</p> Signup and view all the answers

    What is the main distinction between the upper and lower respiratory tracts?

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

    Which of the following is a part of the lower respiratory tract?

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

    What is the purpose of the sinuses?

    <p>To resonate sound during speech</p> Signup and view all the answers

    What is common to both the upper and lower respiratory tracts?

    <p>Both facilitate respiration</p> Signup and view all the answers

    The larynx is part of the lower respiratory tract.

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

    The trachea is considered part of the upper respiratory tract in our course.

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

    The bronchi and bronchioles are part of the upper respiratory tract.

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

    The pharynx is part of the lower respiratory tract.

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

    The lungs are part of the upper respiratory tract.

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

    What is the main function of the alar folds in the nasal cavity?

    <p>To direct air for olfaction</p> Signup and view all the answers

    What is the term for the vertical groove between the sides of the nose and upper lip?

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

    What is the purpose of the external nares?

    <p>To direct airflow and prevent inhalation of foreign bodies</p> Signup and view all the answers

    What is the rhinarium?

    <p>The moist part of the nose</p> Signup and view all the answers

    What can be observed in the video from 2.24 to 2.35 minutes?

    <p>The alar folds in action</p> Signup and view all the answers

    The philtrum is a horizontal groove above the upper lip.

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

    The alar folds help to warm the air we breathe.

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

    The nostrils are the internal openings of the respiratory tract.

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

    The rhinarium is the dry part of the nose.

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

    The nasal cavity is responsible for filtering the air we breathe.

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

    The ______ is the moist part of the nose.

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

    The ______ are the external openings of the respiratory tract.

    <p>external nares</p> Signup and view all the answers

    The ______ is the vertical groove between the sides of the nose and upper lip.

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

    The ______ help direct air for olfaction.

    <p>alar folds</p> Signup and view all the answers

    The video from 2.24 to 2.35 minutes shows ______.

    <p>(no specific answer, open-ended)</p> Signup and view all the answers

    Match the following anatomical structures with their descriptions:

    <p>Rhinarium = Dry part of the nose External nares = Internal openings of the respiratory tract Philtrum = Vertical groove between the sides of the nose and upper lip Alar folds = Help direct air for olfaction</p> Signup and view all the answers

    Match the following terms with their definitions:

    <p>Nares = External openings of the respiratory tract Olfaction = Smell or sense of smell Rhinarium = Moist part of the nose Philtrum = Horizontal groove above the upper lip</p> Signup and view all the answers

    Match the following functions with the corresponding anatomical structures:

    <p>Direct airflow, prevent inhalation of foreign bodies = Alar folds Filtering the air we breathe = Nasal cavity Warming the air we breathe = Pharynx Help direct air for olfaction = Philtrum</p> Signup and view all the answers

    Match the following anatomical structures with their locations:

    <p>Philtrum = Above the upper lip Alar folds = Outer aspect of the nares Rhinarium = Tip of the nose External nares = Inner part of the nasal cavity</p> Signup and view all the answers

    Match the following video content with the corresponding time stamp:

    <p>Observation of the nasal cavity = 2:24-2:35 minutes Explanation of the pharynx = 1:30-1:45 minutes Description of the trachea = 3:00-3:15 minutes Discussion of the bronchi = 4:15-4:30 minutes</p> Signup and view all the answers

    What is the function of the nasal turbinate bones?

    <p>To make air turbulent and remove particles</p> Signup and view all the answers

    What type of epithelium lines the nasal cavity?

    <p>Ciliated columnar epithelium with goblet cells</p> Signup and view all the answers

    What is the function of goblet cells in the nasal cavity?

    <p>To produce mucus</p> Signup and view all the answers

    What separates the two sides of the nasal cavity?

    <p>The nasal septum</p> Signup and view all the answers

    What is the main function of the respiratory mucosa?

    <p>To warm and humidify the air</p> Signup and view all the answers

    The nasal turbinate bones are responsible for warming and moistening the air.

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

    The nasal septum separates the two sides of the nasal cavity.

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

    Goblet cells in the nasal cavity produce mucus.

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

    The nasal cavity extends from the pharynx to the nares.

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

    The respiratory mucosa lining the nasal cavity has squamous epithelium.

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

    The nasal cavity extends from the ______ to the pharynx

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

    The floor of the nasal cavity is the ______ palate

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

    The nasal turbinates make air ______ and remove particles and warm air up

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

    The lining of the nasal cavity is ______ mucosa

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

    Goblet cells in the nasal cavity produce ______

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

    Study Notes

    Upper Respiratory System

    • Rhinarium is the moist part of the nose
    • External nares are the nostrils, which are the external openings of the respiratory tract
    • Direct airflow and prevent inhalation of foreign bodies
    • Philtrum is the vertical groove between the sides of the nose and upper lip
    • Alar folds, also known as "wing folds", are flaps of skin on the outer aspect of the nares that help direct air for olfaction

    Upper vs Lower Respiratory Tract

    • The respiratory tract has two parts with different functions: upper and lower respiratory tract
    • Upper respiratory tract consists of nasal cavity, sinuses, oral cavity, larynx, and pharynx
    • Lower respiratory tract consists of trachea, bronchi and bronchioles, and lungs
    • Note: For this course, trachea is considered part of the lower respiratory tract, unlike in the textbook

    Nasal Cavity

    • Extends from nares to pharynx
    • Two sides separated by the nasal septum
    • Floor of the nasal cavity is the hard palate
    • Nasal turbinates make air turbulent, remove particles and warm air up
    • Lining of the nasal cavity is respiratory mucosa, which is ciliated columnar epithelium with goblet cells
    • Respiratory mucosa warms and moistens air, traps foreign particles, and produces mucus
    • Olfaction (smell) occurs in the nasal cavity

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