Interesting Trivia Facts About Oxygen! Quiz

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| By Dee Erickson
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Dee Erickson
Community Contributor
Quizzes Created: 5 | Total Attempts: 1,341
| Attempts: 235
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  • 1/5 Questions

    Pulmonary disease is frequently related to an increased "work" of breathing.

    • True
    • False
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About This Quiz

Explore the role of oxygen in human physiology with this engaging quiz! Assess your understanding of how oxygen and carbon dioxide are exchanged during breathing, the mechanics of lung function, and the impact of pulmonary diseases on breathing.

Interesting Trivia Facts About Oxygen! Quiz - Quiz

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  • 2. 

    The primary function of the respiratory system is to move oxygen into the venous blood and carbon dioxide out.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The primary function of the respiratory system is to facilitate the exchange of gases, specifically moving oxygen into the bloodstream and removing carbon dioxide. This process occurs through the lungs, where oxygen is inhaled and transported to the bloodstream, while carbon dioxide is expelled from the bloodstream and exhaled. Therefore, the statement "The primary function of the respiratory system is to move oxygen into the venous blood and carbon dioxide out" is true.

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  • 3. 

    The work of breathing includes all of the following except:

    • Tissue compliance work (elastic resistance)

    • Tissue resistance work (non-elastic resistance)

    • Airway resistance work (non-elastic resistance)

    • Rest and relaxation

    Correct Answer
    A. Rest and relaxation
    Explanation
    The work of breathing refers to the energy required to inhale and exhale air. Tissue compliance work refers to the effort needed to overcome the elastic resistance of the lung tissue during breathing. Tissue resistance work refers to the effort needed to overcome the non-elastic resistance in the lung tissue. Airway resistance work refers to the effort needed to overcome the non-elastic resistance in the airways. Rest and relaxation, on the other hand, does not require any energy expenditure for breathing and is not considered part of the work of breathing.

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  • 4. 

    Oxygen and carbon dioxide move between air and blood by simple diffusion.  Which of the following statements is true?

    • From an area of low to high partial pressure

    • From an area of high to low partial pressure

    • Pressure is not involved in gas exchange

    Correct Answer
    A. From an area of high to low partial pressure
    Explanation
    Oxygen and carbon dioxide move between air and blood by simple diffusion, which means they move from an area of high partial pressure to an area of low partial pressure. This is because gases naturally move from areas of higher concentration to areas of lower concentration in order to achieve equilibrium. Therefore, the correct statement is that they move from an area of high to low partial pressure.

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  • 5. 

    During inspiration (lung expansion) the volume in our lungs ______________and the pressure ___________.

    • Increases and increases

    • Increases and decreases

    • Decreases and decreases

    • Decreases and increases

    Correct Answer
    A. Increases and decreases
    Explanation
    During inspiration (lung expansion) the volume in our lungs increases as the diaphragm contracts and moves downward, and the pressure decreases as the chest cavity expands. This creates a pressure gradient that allows air to flow into the lungs.

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Quiz Review Timeline (Updated): Apr 2, 2025 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Apr 02, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 02, 2015
    Quiz Created by
    Dee Erickson
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