Respiratory System - Responses To Exercise

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| By Ags2511
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Ags2511
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Quizzes Created: 8 | Total Attempts: 21,389
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  • 1/14 Questions

    During exercise the increase in breathing rate is as a result of the body demanding more oxygen?

    • True
    • False
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About This Quiz

Explore how the respiratory system adapts during exercise through this engaging quiz. Assess your understanding of internal and external respiratory systems, their interaction with the cardiovascular system, and gas exchange dynamics. Ideal for students and educators in biology and physiology.

Respiratory System - Responses To Exercise - Quiz

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  • 2. 

    Which system involves the exchange of gases between the blood and cells?

    • Lateral respiratory system

    • Internal respiratory system

    • Inferior respiratory system

    • High pressure respiratory system

    Correct Answer
    A. Internal respiratory system
    Explanation
    The internal respiratory system involves the exchange of gases between the blood and cells. This system includes the lungs, where oxygen is taken in and carbon dioxide is released. Oxygen from the lungs is transported to the cells through the bloodstream, and carbon dioxide produced by the cells is carried back to the lungs to be exhaled. This system ensures that oxygen is delivered to the cells for cellular respiration and that waste carbon dioxide is removed from the body.

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  • 3. 

    As the oxygen enters the muscle cell, which organelle does it work combine with fats and carbohydrates to ensure energy production?

    • Golgi complex

    • Mitochondria

    • Lysosomes

    • Ribosomes

    Correct Answer
    A. Mitochondria
    Explanation
    The mitochondria is the organelle responsible for energy production in the cell. It combines oxygen with fats and carbohydrates through a process called cellular respiration to produce ATP, the main source of energy for the cell. The golgi complex is involved in protein modification and packaging, lysosomes are responsible for intracellular digestion, and ribosomes are involved in protein synthesis. Therefore, the mitochondria is the correct organelle that works with oxygen to ensure energy production.

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  • 4. 

    Which system works closely with the respiratory system to ensure there is a ready supply of oxygen for the working muscles?

    • Muscular system

    • Skeletal system

    • Energy systems

    • Cardio - vascular system

    Correct Answer
    A. Cardio - vascular system
    Explanation
    The cardiovascular system works closely with the respiratory system to ensure there is a ready supply of oxygen for the working muscles. The respiratory system is responsible for bringing in oxygen into the body, while the cardiovascular system transports the oxygen-rich blood to the muscles. The heart pumps the oxygenated blood throughout the body, delivering oxygen to the muscles and removing waste products such as carbon dioxide. This collaboration between the respiratory and cardiovascular systems ensures that the muscles receive the necessary oxygen for energy production during physical activity.

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  • 5. 

    Long term adaptations of the respiratory system are permanent

    • True

    • False

    Correct Answer
    A. False
    Explanation
    All of these effects only occur if regular exercise is maintained. If the exercise is stopped for a period of time then the training effects will be lost

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  • 6. 

    The lungs will grow in size following long term physical fitness training

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The lungs do not actually grow in size following long term physical fitness training. However, regular exercise and physical fitness training can improve lung function and capacity by strengthening the muscles involved in breathing and increasing the efficiency of oxygen uptake and distribution in the body.

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  • 7. 

    Gaseous exchange at the alveoli stays the same following long term physical fitness training

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Increase in capillary density surrounding the alveoli thus improving gaseous exchange

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  • 8. 

    Name the two systems that exist within the respiratory system itself

    • High pressure system and low pressure system

    • Lateral and medial respiratory systems

    • Internal and External respiratory systems

    • Superior and Inferior respiratory systems

    Correct Answer
    A. Internal and External respiratory systems
    Explanation
    The respiratory system consists of two main systems: the internal respiratory system and the external respiratory system. The internal respiratory system includes the lungs, where the exchange of oxygen and carbon dioxide takes place. It also includes the bronchial tree, which helps in the transportation of air to and from the lungs. The external respiratory system includes the nose, mouth, throat, and trachea, which are responsible for the intake and filtration of air. Both systems work together to ensure the proper functioning of the respiratory system and the exchange of gases in the body.

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  • 9. 

    Which gas has approximately the same percentage of air when inhaled and exhaled

    • Nitrogen

    • Oxygen

    • Carbon Dioxide

    Correct Answer
    A. Nitrogen
    Explanation
    When we inhale, the air we breathe in contains approximately 78% nitrogen. Similarly, when we exhale, the air we breathe out also contains approximately 78% nitrogen. This is because nitrogen is an inert gas and does not undergo any significant chemical reactions in our body. On the other hand, the percentage of oxygen decreases when we exhale because our body utilizes oxygen during various metabolic processes. Carbon dioxide, on the other hand, is produced as a waste product during cellular respiration and is exhaled in higher concentrations compared to its percentage in inhaled air.

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  • 10. 

    An increase in breathing may occur before muscular contractions occur. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Initial responses of the respiratory system are neural in nature i.e. they come from neural detectors in the muscle and the command centre in the brain
    As the intensity of breathing increases, this represents an increased metabolism in the muscles e.g. CO2 production is detected

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  • 11. 

    From approximately 21% of inhaled oxygen, how much of this amount is then exhaled from the body?

    • 10%

    • 4%

    • 6%

    • 1%

    Correct Answer
    A. 4%
    Explanation
    Approximately 4% of the inhaled oxygen is exhaled from the body. This is because during respiration, oxygen is taken in by the body and used for various metabolic processes. The oxygen that is not used is then expelled as carbon dioxide during exhalation. Since only a small portion of the inhaled oxygen is exhaled, the correct answer is 4%.

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  • 12. 

    The cardiac notch is there to provide…

    • Space for the left lung to inflate when the body is working intensely

    • Space for the aorta to transport blood to the pulmonary artery

    • Space for diaphragm to contract beyond maximum when under intense pressure

    • Space for the heart to sit in as the left lung is slightly smaller

    Correct Answer
    A. Space for the heart to sit in as the left lung is slightly smaller
    Explanation
    The cardiac notch is a small indentation in the left lung that allows space for the heart to sit in. This is because the left lung is slightly smaller than the right lung, and the cardiac notch accommodates for this size difference. The heart needs a space to fit in the thoracic cavity, and the cardiac notch provides that space specifically for the heart.

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  • 13. 

    Identify the following short term responses of the respiratory system to exercise 

    • Decrease in breathing rate

    • Increase in respiratory volume

    • Decrease in tidal volume

    • CO2 production increases

    Correct Answer(s)
    A. Increase in respiratory volume
    A. CO2 production increases
    Explanation
    During exercise, the demand for oxygen by the muscles increases, leading to an increase in respiratory volume. This means that the respiratory system takes in more air per breath to deliver more oxygen to the muscles. Additionally, as exercise intensity increases, the body produces more carbon dioxide as a byproduct of increased metabolism. This leads to an increase in CO2 production. Therefore, the correct answer is an increase in respiratory volume and CO2 production increases.

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  • 14. 

    Which gas sees an increase in percentage when exhaled from the body?

    • Nitrogen

    • Oxygen

    • Carbon dioxide

    Correct Answer
    A. Nitrogen
    Explanation
    When we exhale, the percentage of nitrogen in the exhaled air increases. This is because our body does not utilize nitrogen during respiration, so the concentration of nitrogen in the air we exhale is higher compared to the air we inhale. On the other hand, the percentage of oxygen and carbon dioxide decreases when we exhale because our body uses oxygen for cellular respiration and produces carbon dioxide as a waste product, leading to a decrease in their concentrations in exhaled air.

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

  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 04, 2017
    Quiz Created by
    Ags2511
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