Upper Respiratory Tract Anatomy Quiz
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Questions and Answers

Which one of these is NOT one of the four sinuses?

  • Maxillary
  • Frontal (correct)
  • Sphenoid
  • Ethmoid

    • Which of the following is NOT a function of the nose?

  • Moistening air with mucus secretions
  • Filtering particulate matter inhaled through nasal hairs
  • Passageway for air into and out of the lungs
  • Lightening the bones of the skull (correct)

    • Which anatomical division of the pharynx is located behind the mouth?

  • Laryngopharynx
  • Oropharynx (correct)
  • Nasopharynx
  • Pharyngeal tonsils

    • Which of the following is NOT a function of the pharynx?

    <p>Removes dust particles from the air</p> Signup and view all the answers

    Which cartilage bone forms the epiglottis?

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

    What are the two muscle groups that form the larynx?

    <p>Intrinsic and extrinsic muscles</p> Signup and view all the answers

    What is the function of the vestibular folds in the larynx?

    <p>Protect the airway from entrance of solids or food</p> Signup and view all the answers

    What is the opening between the two true vocal cords called?

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

    What does the ciliated mucous membrane in the larynx do?

    <p>Remove dust particles from the air</p> Signup and view all the answers

    What is the main function of the larynx?

    <p>Organ of voice production</p> Signup and view all the answers

    Which part of the nose is composed of mainly bone and cartilage covered by skin with many sebaceous glands?

    <p>Nares or nostrils</p> Signup and view all the answers

    What separates the nasal cavity from the cranial cavity?

    <p>Cribriform plate of the ethmoid bone</p> Signup and view all the answers

    What is the function of the olfactory nerve in the nasal cavity?

    <p>To pass smell signals from the nasal cavity to the brain</p> Signup and view all the answers

    Which part of the nasal cavity is lined with a mucosa containing hairs, sebaceous glands, and sweat glands?

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

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

    <p>To secrete mucous to keep the passageways moist</p> Signup and view all the answers

    What separates the nasal cavity into right and left cavities?

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

    What is the function of the paranasal sinuses?

    <p>To lighten the skull and enhance voice resonance</p> Signup and view all the answers

    Where does air enter the respiratory portion of each nasal passage?

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

    What is the main function of the cilia in the nasal cavity?

    <p>To catch debris in the nasal cavity</p> Signup and view all the answers

    What is the source of nose bleeds?

    <p>Blood vessels in the septum</p> Signup and view all the answers

    Which bone separates the nasal cavity from the cranial cavity?

    <p>Ethmoid bone</p> Signup and view all the answers

    What is the function of the cilia in the nasal cavity?

    <p>To catch debris in the passageways</p> Signup and view all the answers

    What is the function of the olfactory nerve in the nasal cavity?

    <p>To detect smells</p> Signup and view all the answers

    Which part of the nasal cavity is lined with a mucosa containing hairs, sebaceous glands, and sweat glands?

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

    What is the source of nose bleeds?

    <p>Blood vessels in the septum</p> Signup and view all the answers

    Which cartilage bone forms the epiglottis?

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

    Which one of these is NOT one of the four sinuses?

    <p>Frontal sinuses</p> Signup and view all the answers

    Where does air enter the respiratory portion of each nasal passage?

    <p>Posterior nares (internal)</p> Signup and view all the answers

    What is the function of the paranasal sinuses?

    <p>To lighten the skull and enhance voice resonance</p> Signup and view all the answers

    Which anatomical division of the pharynx is located behind the mouth?

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

    Which of the following is NOT a function of the sinuses?

    <p>Filter particulate matter inhaled</p> Signup and view all the answers

    What is the anatomical division of the pharynx located behind the nose?

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

    Which tonsils are located in the oropharynx?

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

    Which cartilage bone forms the majority of the larynx?

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

    What is the main function of the vestibular folds in the larynx?

    <p>Assist with voice production</p> Signup and view all the answers

    What is the function of the ciliated mucous membrane in the larynx?

    <p>Remove dust particles from the air</p> Signup and view all the answers

    Which part of the nose is composed of mainly bone and cartilage covered by skin with many sebaceous glands?

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

    What is the opening between the two true vocal cords in the larynx called?

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

    Which muscle groups form the larynx?

    <p>Intrinsic and extrinsic muscles</p> Signup and view all the answers

    Which one of these is NOT one of the four sinuses?

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

    Study Notes

    Anatomy of the Respiratory System

    • Four paranasal sinuses: frontal, maxillary, ethmoidal, sphenoidal. One NOT included may be the nasosinal.
    • Functions of the nose include filtering, moistening, and warming air, as well as olfaction; a function NOT included may involve sound production.

    Pharynx Divisions

    • The pharynx has three anatomical divisions: nasopharynx (behind the nose), oropharynx (behind the mouth), laryngopharynx.
    • NOT a function of the pharynx might be sound resonance.

    Laryngeal Anatomy

    • Epiglottis consists of elastic cartilage.
    • Larynx muscles grouped into intrinsic (control vocal cords) and extrinsic (support position).

    Vocal System

    • The vestibular folds (false vocal cords) prevent foreign objects from entering the larynx and stabilize the airway.
    • The opening between the true vocal cords is called the glottis.
    • Ciliated mucous membrane in the larynx traps debris and pathogens, keeping the airways clear.

    Functions of the Nose and Nasal Cavity

    • The external nose comprised of bone and cartilage also contains sebaceous glands.
    • The cribriform plate of the ethmoid bone separates the nasal cavity from the cranial cavity.
    • The olfactory nerve is responsible for the sense of smell.
    • The respiratory region of the nasal cavity has a mucosa with hairs, sebaceous glands, and sweat glands for filtration and moisture retention.
    • Goblet cells in the nasal cavity produce mucus to trap particles.
    • The nasal septum divides the nasal cavity into left and right parts.
    • Function of paranasal sinuses includes reducing skull weight and enhancing voice resonance.
    • Air enters the respiratory portion at the choanae.

    Nasal Cavity Functionality

    • Cilia in the nasal cavity propel mucus towards the throat for swallowing or expulsion.
    • Nosebleeds often arise from vascular structures in the nasal cavity, particularly the kiesselbach plexus.
    • The nasal cavity is also separated from the cranial cavity by the ethmoid bone.

    Oropharyngeal Anatomy

    • Oropharynx contains palatine tonsils.
    • The majority of the larynx is formed by thyroid cartilage.

    Additional Laryngeal Functions

    • Vestibular folds main function includes protecting the airway and providing support during breathing.
    • Ciliated mucous membrane in the larynx serves to trap dust and pathogens, keeping the airway clean.

    Recap of Paranasal Sinuses

    • Notably, other sinuses might include accessory or lesser-known cavities, which are not classified as primary sinuses.

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    Description

    Test your knowledge on the anatomy of the nose with this quiz! Explore the internal and external structures, from the nares to the nasal cavity, and discover the role they play in our respiratory system.

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