Recent

  • Show all results for ""

🎧 New: AI-Generated Podcasts Turn your study notes into engaging audio conversations. Learn more

Upper respiratory tract anatomy
86 Questions
2 Views

Upper respiratory tract anatomy

Created by
@IdolizedAmazonite

Podcast Beta

Play an AI-generated podcast conversation about this lesson

Questions and Answers

The respiratory portion of the respiratory tract extends from which structure to the alveoli?

  • Terminal bronchioles (correct)
  • Pharynx
  • Larynx
  • Paranasal sinuses

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

  • Nose and nasal cavities
  • Paranasal sinuses
  • Pharynx
  • Alveoli (correct)

    • The upper respiratory tract lies partly in the skull due to the presence of which structure?

  • Terminal bronchioles
  • Middle ear (correct)
  • Pharynx
  • Alveolar sacs

    • How many regions are there in each nasal cavity?

    <p>3</p> Signup and view all the answers

    Which cranial nerve transmits through the perforations in the cribriform plate?

    <p>CN I</p> Signup and view all the answers

    What are the posterior openings of the nasal cavities called?

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

    Where do the posterior openings of the nasal cavities lead into?

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

    What are the anterior openings of the nasal cavities called?

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

    What forms the floor of the nasal cavities?

    <p>Maxillary and palatine bone</p> Signup and view all the answers

    What forms the roof of the nasal cavities?

    <p>Frontal and nasal bone</p> Signup and view all the answers

    Which structure in the roof of the nasal cavities contains perforations for the olfactory nerves?

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

    What are the curled shelves of bone in the nasal cavities called?

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

    How many nasal conchae are present in the nasal cavities?

    <p>3</p> Signup and view all the answers

    Which conchae is located superiorly in the nasal cavities?

    <p>Superior nasal conchae</p> Signup and view all the answers

    How many air channels/meatuses do the conchae create in the nasal cavities?

    <p>4</p> Signup and view all the answers

    Which of the following is NOT a function of the conchae or turbinates?

    <p>Swallowing foreign material caught by nasal hairs</p> Signup and view all the answers

    What is the purpose of the conchae and meatuses in the nasal cavity?

    <p>To improve filtration, heating, and humidification of inspired air</p> Signup and view all the answers

    Which type of epithelium is found in the conchae and nasal cavities?

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

    What effect does the internal nasal anatomy have on inspired air and odorants?

    <p>It pushes them to the olfactory area</p> Signup and view all the answers

    What are the functions of the paranasal air sinuses?

    <p>Protect vital structures in facial trauma</p> Signup and view all the answers

    Where are the paranasal sinuses located?

    <p>Within the bones of the skull</p> Signup and view all the answers

    What type of epithelium lines the paranasal sinuses?

    <p>Ciliated, columnar, mucous secreting respiratory epithelium</p> Signup and view all the answers

    How does the mucosa of the paranasal air sinuses compare to the mucosa of the nasal cavity?

    <p>The mucosa of the sinuses is thinner and less vascular</p> Signup and view all the answers

    What is a disadvantage of the respiratory epithelium lining the paranasal sinuses?

    <p>It promotes the spread of infections from the nasal cavity</p> Signup and view all the answers

    Which anatomical structures are closely related to the paranasal air sinuses?

    <p>Orbits and meninges</p> Signup and view all the answers

    What are the linings of the brain called?

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

    Which of the following conditions can result from infection spreading to the brain or meninges?

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

    The trigeminal nerve (CN V) has how many major divisions?

    <p>3</p> Signup and view all the answers

    Which cranial nerve is responsible for the sensory supply to the nasal cavities and sinuses?

    <p>Trigeminal nerve (CN V)</p> Signup and view all the answers

    Which division of the trigeminal nerve provides sensory supply to the upper part of the face?

    <p>Ophthalmic (CN V1)</p> Signup and view all the answers

    The sensory supply to the frontal sinuses is primarily provided by which division of the trigeminal nerve?

    <p>Ophthalmic (CN V1)</p> Signup and view all the answers

    Which divisions of the trigeminal nerve supply the ethmoidal and sphenoidal sinuses and nasal cavity?

    <p>Ophthalmic (CN V1) and Maxillary (CN V2)</p> Signup and view all the answers

    The maxillary sinuses are primarily supplied by which division of the trigeminal nerve?

    <p>Maxillary (CN V2)</p> Signup and view all the answers

    What are the possible causes of sinusitis?

    <p>Both viral and bacterial infections</p> Signup and view all the answers

    Sinusitis refers to the inflammation of which structures?

    <p>Lining of the nasal cavity and the sinuses</p> Signup and view all the answers

    Which of the following can result from sinusitis?

    <p>Orofacial pain, headache, and toothache</p> Signup and view all the answers

    Which of the following is a symptom of sinusitis?

    <p>Nasal blockage and congestion</p> Signup and view all the answers

    Which division of the trigeminal nerve (CN V) is responsible for the forehead pain and headache associated with frontal sinusitis?

    <p>Ophthalmic (CN V1) division</p> Signup and view all the answers

    Dental pain can be experienced with acute maxillary sinusitis due to compression/irritation of which division of the trigeminal nerve (CN V)?

    <p>Maxillary (CN V2) division</p> Signup and view all the answers

    Which part of the nasal cavity is a common site for nosebleeds?

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

    What is the name of the anastomotic plexus of small arteries on the anterior part of the cartilaginous nasal septum?

    <p>Kiesselbach's plexus</p> Signup and view all the answers

    How do all the sinuses drain into the nasal cavity?

    <p>Assisted gravity</p> Signup and view all the answers

    Which sinuses are more prone to infections due to impaired drainage?

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

    What can happen when the drainage system is impaired?

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

    Which part of the pharynx allows the nasal cavities and the middle ear to open into it?

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

    During swallowing, what happens to the pharynx?

    <p>It becomes a food channel</p> Signup and view all the answers

    Which part of the pharynx opens into the laryngeal inlet?

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

    How is the nasopharynx closed?

    <p>By lifting of the soft palate</p> Signup and view all the answers

    How many external circular constrictor muscles are there in the pharynx?

    <p>3</p> Signup and view all the answers

    Which type of muscles are the muscles of the pharynx?

    <p>Voluntary smooth muscles</p> Signup and view all the answers

    Which muscles are classified as internal longitudinal elevators in the pharynx?

    <p>Salpingopharyngeus, Palatopharyngeus, and Inferior</p> Signup and view all the answers

    Which cranial nerve supplies most of the pharyngeal muscles?

    <p>CN X (Vagus)</p> Signup and view all the answers

    Which cranial nerve supplies the Stylopharyngeus muscle?

    <p>CN IX (Glossopharyngeal)</p> Signup and view all the answers

    Which space lies behind the pharynx and can result in airway occlusion?

    <p>Retropharyngeal space</p> Signup and view all the answers

    What lymphoid tissue enlargement can occlude the nasopharynx in children?

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

    What structure forms the anterior surface of the oropharynx?

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

    The nasopharynx becomes the oropharynx at which structure?

    <p>Pharyngeal isthmus</p> Signup and view all the answers

    What marks the start of the laryngopharynx?

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

    Which tonsils are located in the oropharynx?

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

    The laryngeal inlet opens into which part of the pharynx?

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

    What can the floor of the nasopharynx (soft palate) do?

    <p>Elevate and depress</p> Signup and view all the answers

    Which cranial nerve supplies the motor innervation to the pharynx?

    <p>Vagus nerve (CN X)</p> Signup and view all the answers

    Which cranial nerve provides sensory innervation to the nasopharynx?

    <p>Glossopharyngeal nerve (CN IX)</p> Signup and view all the answers

    The maxillary division of the Trigeminal nerve (CN V) contributes to the sensory supply of which region of the pharynx?

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

    Which muscle is innervated by the Glossopharyngeal nerve (CN IX) in the oropharynx?

    <p>Stylopharyngeus muscle</p> Signup and view all the answers

    Which cranial nerves provide sensory innervation to the laryngopharynx?

    <p>Glossopharyngeal nerve (CN IX) and Vagus nerve (CN X)</p> Signup and view all the answers

    What type of epithelium lines the larynx?

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

    How does the larynx move during swallowing?

    <p>It moves up and down under the action of extrinsic muscles</p> Signup and view all the answers

    Where does the larynx extend from and to?

    <p>From the tongue (C3 vertebral level) to the trachea (C6 vertebra)</p> Signup and view all the answers

    What is the function of the larynx?

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

    The rima glottidis can be opened and closed to:

    <p>Protect the airway</p> Signup and view all the answers

    How can the true vocal folds be manipulated to produce sound?

    <p>Contracting and relaxing the intrinsic muscles of the larynx</p> Signup and view all the answers

    The vocal ligaments extend from the vocal process of the _______ to the _______ cartilage.

    <p>Arytenoid cartilage; thyroid</p> Signup and view all the answers

    What type of epithelial tissue covers the vocal ligaments?

    <p>Non-keratinized stratified squamous epithelium</p> Signup and view all the answers

    The true vocal folds are formed by the mucosa covering the underlying:

    <p>Vocal ligaments</p> Signup and view all the answers

    Which muscle is responsible for opening the glottis?

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

    Paralysis of the posterior cricoarytenoids can lead to:

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

    The main function of the posterior cricoarytenoids is to:

    <p>Abduct the vocal folds</p> Signup and view all the answers

    The posterior cricoarytenoids are intrinsic muscles of the:

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

    The cricothyroid muscle is supplied by which branch of the vagus nerve?

    <p>Superior laryngeal branch</p> Signup and view all the answers

    Which nerve supplies the intrinsic muscles of the larynx, except for the cricothyroid muscle?

    <p>Recurrent laryngeal branch of the vagus nerve (CN X)</p> Signup and view all the answers

    On the right side, which artery does the right recurrent laryngeal branch of the vagus nerve arch over?

    <p>Subclavian artery</p> Signup and view all the answers

    On the left side, which structure does the left recurrent laryngeal branch of the vagus nerve loop over?

    <p>Aortic arch</p> Signup and view all the answers

    What is the principal biological function of the larynx?

    <p>To control and prevent the entry of foreign bodies into the airways</p> Signup and view all the answers

    Which body part does the larynx primarily regulate during ventilation?

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

    What is the role of the larynx as a sphincter?

    <p>It controls the entry of foreign bodies into the airways</p> Signup and view all the answers

    More Quizzes Like This

    Pharynx Functions and Anatomy Quiz
    20 questions

    Pharynx Functions and Anatomy Quiz

    ProblemFreeLucchesiite8882 avatar
    ProblemFreeLucchesiite8882
    Anatomy of the Pharynx and Hyoid Bone Quiz
    31 questions

    Anatomy of the Pharynx and Hyoid Bone Quiz

    ConvincingFluorite avatar
    ConvincingFluorite
    Anatomy of the Pharynx Quiz
    64 questions

    Pharynx Anatomy Quiz: Test Your Knowledge

    MacDaddy avatar
    MacDaddy
    Understanding the Pharynx: Human Throat Anatomy and Functions Quiz
    12 questions

    Understanding the Pharynx: Human Throat Anatomy and Functions Quiz

    StatelyParadox avatar
    StatelyParadox
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser