Respiratory System Anatomy: Nose Functions and Cilia
16 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main cause for an increase in breathing rate?

  • Decreased H+ concentration in the blood
  • Elevated CO2 concentration in the blood (correct)
  • High pH level in the blood
  • Increased O2 concentration in the blood
  • What stimulates chemoreceptors to increase breathing rate?

  • Elevated body temperature
  • Large drop in O2 levels (correct)
  • High O2 levels
  • Low CO2 levels
  • Which process describes the movement of air in and out of the lungs?

  • Ventilation (correct)
  • Perfusion
  • Diffusion
  • Gas exchange
  • What is the main reason for high altitude sickness typically starting around 8000 feet high?

    <p>Low blood O2 levels</p> Signup and view all the answers

    During embryonic development, when do respiratory bronchioles start to form?

    <p>Week 16</p> Signup and view all the answers

    Which blood component transports carbon dioxide mainly in the form of bicarbonate?

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

    What is the function of cilia in the nose?

    <p>To trap debris and pathogens</p> Signup and view all the answers

    Where does the pharynx connect to both the Eustachian tubes and allow both food and air passage?

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

    Which structure is formed by the thyroid cartilage, epiglottis, and cricoid cartilage?

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

    What is the primary function of the alveoli?

    <p>Gas exchange</p> Signup and view all the answers

    Which pressure is always lower than the intra-alveolar pressure in the lungs?

    <p>Intrapleural pressure</p> Signup and view all the answers

    What causes the pressure change leading to inspiration and exhalation during breathing?

    <p>Contraction of diaphragm and intercostal muscles</p> Signup and view all the answers

    What does the thoracic wall compliance refer to?

    <p>Ease of expanding thoracic wall</p> Signup and view all the answers

    Which term refers to one sequence of inspiration and expiration?

    <p>Respiratory cycle</p> Signup and view all the answers

    What is the amount of air entering the lungs during normal breathing referred to as?

    <p>Tidal volume</p> Signup and view all the answers

    What is the primary function of anatomical dead space in the respiratory system?

    <p>Air that never reaches the alveoli for gas exchange</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Browser