Respiratory System and Gas Exchange
15 Questions
0 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 volume of air that remains in the respiratory passage and lungs after the most forceful expiration?

  • Residual volume (correct)
  • Inspiratory reserve volume
  • Expiratory reserve volume
  • Tidal volume
  • What is the sum of tidal volume, inspiratory reserve volume, and expiratory reserve volume?

  • Inspiratory capacity
  • Functional residual capacity
  • Vital capacity (correct)
  • Total lung capacity
  • What is the ratio of the volume of air that can be forcefully exhaled in 1 second to the full amount of air that can be exhaled with effort in a complete breath?

  • Tidal volume/Inspiratory reserve volume
  • Expiratory reserve volume/Residual volume
  • FVC/FEV1
  • FEV1/FVC (correct)
  • Which of the following is NOT a pulmonary volume?

    <p>Inspiratory capacity</p> Signup and view all the answers

    What is the sum of expiratory reserve volume and residual volume?

    <p>Functional residual capacity</p> Signup and view all the answers

    What is the primary location where gas exchange occurs in the human body?

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

    What is the term for the force exerted by gas molecules on the surfaces with which they are in contact?

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

    What is the primary direction of oxygen transport in the human body?

    <p>From lungs to tissues</p> Signup and view all the answers

    What is the term for the process of increasing pulmonary ventilation?

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

    What is the ratio used to distinguish between obstructive and restrictive lung conditions?

    <p>FEV1/FVC &gt;= 70%</p> Signup and view all the answers

    What is the effect of a decrease in pH on the oxygen binding affinity of adult haemoglobin?

    <p>Decreased oxygen binding affinity</p> Signup and view all the answers

    What is the term for the variation in the effectiveness of gas exchange due to the mismatch between ventilation and perfusion in the lungs?

    <p>Ventilation-perfusion mismatch</p> Signup and view all the answers

    Which of the following statements is true about the effect of 2,3-diphosphoglycerate on adult haemoglobin?

    <p>It decreases oxygen binding affinity</p> Signup and view all the answers

    What is the effect of hyperventilation on the blood pH?

    <p>It increases the blood pH</p> Signup and view all the answers

    What is the effect of ageing on the respiratory system?

    <p>It decreases the vital capacity and gas exchange</p> Signup and view all the answers

    More Like This

    Respiration Stages and Gas Exchange
    5 questions

    Respiration Stages and Gas Exchange

    IllustriousPreRaphaelites avatar
    IllustriousPreRaphaelites
    Use Quizgecko on...
    Browser
    Browser