Anatomy of Pharynx Quiz
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Questions and Answers

What is the main function of the larynx?

  • Producing sound for speech (correct)
  • Filtering and warming the air
  • Assisting in the compression of the abdomen
  • Facilitating gas exchange
  • Which of the following is not part of the upper respiratory system?

  • Trachea (correct)
  • Pharynx
  • Larynx
  • Nose
  • What is the primary function of the nasal cavity?

  • Gas exchange
  • Filtering and warming the air (correct)
  • Phonation
  • Assisting in the compression of the abdomen
  • Which part of the respiratory system is responsible for the resonance of speech?

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

    What is the main function of the pharynx?

    <p>Connecting the nasal and oral cavities to the larynx</p> Signup and view all the answers

    What is the main function of the trachea?

    <p>Connecting the larynx to the bronchi</p> Signup and view all the answers

    What is the term for tubes smaller than 1 mm that are found in the respiratory system?

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

    Which part of the lung is related to the sternum and ribs?

    <p>Costal surface</p> Signup and view all the answers

    What is the outer layer of the pleural membrane that comes in contact with the inner wall of the thorax and mediastinum called?

    <p>Parietal pleura</p> Signup and view all the answers

    Which bronchi have a characteristic formation of 3 lobar bronchi on the right side and 2 lobar bronchi on the left side?

    <p>Primary bronchi</p> Signup and view all the answers

    What is the space within the pleural sac that contains a small amount of serous fluid called?

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

    Where do respiratory bronchioles divide from in the respiratory system?

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

    Which of the following is NOT a part of the pharynx?

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

    What is the primary function of the vocal folds?

    <p>To create sound by vibrating during expiration</p> Signup and view all the answers

    Which structure is NOT a cartilage found in the larynx?

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

    What is the primary function of the trachea?

    <p>To allow passage of air to the lungs</p> Signup and view all the answers

    Where is the nasopharynx located?

    <p>Behind the nasal cavity</p> Signup and view all the answers

    What is the role of the epiglottis during swallowing?

    <p>It closes off the airway to prevent food from entering</p> Signup and view all the answers

    Study Notes

    Respiratory System

    • The main organ of the respiratory system is the lungs
    • Main functions of the respiratory system:
      • Gas exchange
      • Sound production
      • Assistance in compression of the abdomen
    • Breathing consists of two phases:
      • Inspiration: the process of taking in air
      • Expiration: the process of blowing out air

    Upper and Lower Respiratory System

    • Upper respiratory system:
      • Nose
      • Larynx
      • Pharynx
    • Lower respiratory system:
      • Trachea
      • Bronchi
      • Lungs

    Conducting and Respiratory Zones

    • Conducting zone:
      • Respiratory passages that carry air to the site of gas exchange
      • Filters, humidifies, and warms air
      • Consists of nose, pharynx, larynx, trachea, and bronchial tree
    • Respiratory zone:
      • Site of gas exchange
      • Composed of respiratory bronchioles, alveolar ducts, and alveolar sacs

    Nose and Nasal Cavity

    • The nose is the organ of smell
    • Found on the anterior aspect of the face
    • The nasal cavity is divided into right and left cavities by the nasal septum
    • Communicates posteriorly with the pharynx

    Trachea and Bronchi

    • The trachea is a fibromuscular tube, 13 cm long
    • Main (primary) bronchi divide into secondary (lobar) bronchi, each supplying one lobe
    • 3 lobar bronchi on the right and 2 lobar bronchi on the left
    • Lobar bronchi branch into tertiary bronchi and continue dividing about 23 times

    Lungs

    • Each lung is half-cone shaped with 3 surfaces, 3 borders, apex, and base
    • Apex is directed upwards and lies deep to the clavicle
    • Base is directed downwards and rests on the diaphragm
    • Surfaces: costal, diaphragmatic, and medial
    • Borders: anterior, inferior, and posterior

    Pleura

    • Pleural membranes are closed serous sacs
    • Consists of two layers:
      • Visceral pleura (inner layer in contact with the lung)
      • Parietal pleura (outer layer in contact with the inner wall of the thorax and mediastinum)
    • Pleural cavity is the space within the pleural sac, containing a small amount of serous fluid

    Pharynx

    • Pharynx is a tube-like structure that extends from the base of the skull to the 6th cervical vertebra
    • Divided into three parts: nasopharynx, oropharynx, and laryngopharynx
    • Oropharynx and laryngopharynx serve as a common pathway for food and air

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    Description

    Test your knowledge on the anatomy of the pharynx, a muscular tube extending from the base of the skull to the 6th cervical vertebra. Learn about its three parts: nasopharynx, oropharynx, and laryngopharynx, each serving different functions.

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