Anatomy And Physiology -- Respiratory Organs -- Part A

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| By Willedmond
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Quizzes Created: 1 | Total Attempts: 576
| Attempts: 576
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  • 1/9 Questions

    Potential space between visceral and parietal pleurae

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About This Quiz

This is a quiz that test your knowledge of the Respiratory Organs.

Respiratory System Quizzes & Trivia

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  • 2. 

    Partially covers opening of larynx during swallowing

    Explanation
    The epiglottis partially covers the opening of the larynx during swallowing. This is important because it prevents food and liquid from entering the windpipe and going into the lungs. The epiglottis acts as a flap that closes off the larynx, directing the food and liquid down the esophagus and into the stomach. Without the epiglottis, there would be a risk of choking or aspiration pneumonia.

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  • 3. 

    Passageway for air and food

    Explanation
    The pharynx is a passageway for both air and food. It is a muscular tube located behind the nasal cavity, mouth, and larynx. When we breathe, air passes through the pharynx on its way to the lungs. When we eat, food travels through the pharynx on its way to the esophagus. The pharynx plays a crucial role in the respiratory and digestive systems by allowing the passage of air and food to their respective destinations.

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  • 4. 

    Opening between vocal cords

    Explanation
    The glottis refers to the opening between the vocal cords. It is a part of the larynx, which is responsible for producing sound. When we speak or sing, the vocal cords vibrate, and the glottis adjusts its size to control the flow of air passing through. This adjustment helps in producing different pitches and tones. Therefore, the glottis plays a crucial role in vocalization.

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  • 5. 

    Increases surface area of nasal mucous membrane

    Explanation
    The nasal concha, also known as the nasal turbinate, refers to the bony structures inside the nasal cavity. These structures are responsible for increasing the surface area of the nasal mucous membrane. The increased surface area helps to humidify, warm, and filter the inhaled air, ensuring that it is clean and properly conditioned before reaching the lungs. Therefore, the presence of nasal concha is essential for the efficient functioning of the respiratory system.

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  • 6. 

    Microscopic air sac for gas exchange

    Explanation
    The correct answer is "Alveolus." An alveolus is a microscopic air sac found in the lungs where gas exchange occurs. These tiny structures are responsible for the exchange of oxygen and carbon dioxide between the lungs and the bloodstream. Alveoli have thin walls and a large surface area, allowing for efficient diffusion of gases.

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  • 7. 

    Most inferior portion of larynx

    Explanation
    The cricoid cartilage is the most inferior portion of the larynx. It is a ring-shaped structure located just below the thyroid cartilage. The cricoid cartilage is important for maintaining the shape and stability of the larynx, as well as for connecting it to the trachea. It plays a crucial role in the production of sound during speech and acts as a protective barrier for the vocal cords.

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  • 8. 

    Fold of mucous membrane containing elastic fibers responsible for sounds?

    Explanation
    The vocal cords are folds of mucous membrane in the larynx that contain elastic fibers. These elastic fibers allow the vocal cords to vibrate, producing sound when air passes through them. When the vocal cords are relaxed, they are open, allowing air to pass freely. When they are tightened, they come together, creating tension and producing different pitches of sound. Therefore, the vocal cords are responsible for producing sounds in the human voice.

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  • 9. 

    Serves as resonant chamber and reduces weight of skull

    Explanation
    The sinus and paranasal sinus serve as a resonant chamber, which means they help to amplify sound and improve the quality of our voice. Additionally, they also help to reduce the weight of the skull. The presence of air-filled spaces in the skull, such as the sinuses, makes the head lighter and easier to support.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 20, 2009
    Quiz Created by
    Willedmond
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