External Respiration Process Trivia Quiz

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  • 1/34 Questions

    External respiration is the process of exchanging oxygen and carbon dixide in the lungs.

    • True
    • False
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About This Quiz

Breathing is the sure sign of someone being alive, all human and plants breathe in order for them to grow and carry out their intended purposes. Respiration takes place in different ways for humans and plant. Give the test below a try and see what you know about external respiration. All the best!

External Respiration Process Trivia Quiz - Quiz

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  • 2. 

    External respiration is the movement of air into and out of the lungs.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    External respiration refers to the exchange of gases (oxygen and carbon dioxide) between the lungs and the bloodstream. It involves the inhalation of oxygen-rich air into the lungs and the exhalation of carbon dioxide from the lungs. Therefore, the given statement that external respiration is the movement of air into and out of the lungs is incorrect.

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  • 3. 

    The movement of air in to and out of the lungs is called ventilation.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The movement of air in and out of the lungs is indeed called ventilation. This process allows for the exchange of oxygen and carbon dioxide, which is crucial for respiration. Ventilation involves the contraction and relaxation of the diaphragm and intercostal muscles to create changes in lung volume, leading to inhalation and exhalation.

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  • 4. 

    The exchange of oxygen and carbon dioxide within the hemoglobin of the red blood cells is internal respiration.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The exchange of oxygen and carbon dioxide within the hemoglobin of the red blood cells is indeed internal respiration. Internal respiration refers to the process by which oxygen is transported from the lungs to the tissues and carbon dioxide is transported from the tissues to the lungs. This exchange occurs within the red blood cells, where oxygen binds to the hemoglobin and carbon dioxide is released. Therefore, the statement is true.

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  • 5. 

    Internal respiration is the exchange of oxygen and oxyhemoglobin in the blood.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Internal respiration refers to the exchange of gases (oxygen and carbon dioxide) between the cells and the blood. It occurs in the tissues and involves the diffusion of oxygen from the blood into the cells, and the diffusion of carbon dioxide from the cells into the blood. Oxyhemoglobin, on the other hand, refers to the combination of oxygen and hemoglobin in the red blood cells, which happens during external respiration in the lungs. Therefore, the statement that internal respiration is the exchange of oxygen and oxyhemoglobin in the blood is incorrect.

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  • 6. 

    Smoker's cough results mostly from loss of cilia.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Smoker's cough is a condition that occurs due to the damage caused by smoking to the cilia, which are tiny hair-like structures in the airways that help to clear mucus and foreign particles. When cilia are lost or damaged, the ability to clear mucus is compromised, leading to a buildup of mucus and irritants in the airways. This results in a persistent cough, commonly known as smoker's cough. Therefore, the statement that smoker's cough results mostly from loss of cilia is true.

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  • 7. 

    When a person hyperventilates, the level of carbon dioxide in the person's blood will

    • Increase

    • Decrease

    • Not change

    • Vary

    Correct Answer
    A. Decrease
    Explanation
    When a person hyperventilates, they breathe rapidly and deeply, which leads to exhaling more carbon dioxide than usual. This excessive exhalation of carbon dioxide causes the level of carbon dioxide in the person's blood to decrease.

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  • 8. 

    Normally ,when blood levels of carbon dioxide rise, the respirations

    • Increase

    • Decrease

    • Remain the same

    • Vary

    Correct Answer
    A. Increase
    Explanation
    When blood levels of carbon dioxide rise, it indicates that there is an excess of carbon dioxide in the body. In response to this, the body increases its respiratory rate in order to eliminate the excess carbon dioxide and bring the levels back to normal. This increase in respirations helps to remove the carbon dioxide from the body and maintain a healthy balance of gases in the bloodstream.

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  • 9. 

    Cilia are

    • Mucus-secreting cells in the lower bronchial tree.

    • Tiny structures in the airways that trap and hold foreing material.

    • Tiny hair-like structures in the airways that sweep mucus up and out of the lungs.

    • Composed of macrophages and destroy inhaled pathogen.

    Correct Answer
    A. Tiny hair-like structures in the airways that sweep mucus up and out of the lungs.
    Explanation
    Cilia are tiny hair-like structures in the airways that sweep mucus up and out of the lungs. These cilia play a crucial role in the respiratory system by constantly moving in coordinated waves to help remove foreign particles, dust, and mucus from the airways. This sweeping motion helps to keep the airways clear and prevents the accumulation of harmful substances in the lungs. Thus, the correct answer is that cilia are tiny hair-like structures in the airways that sweep mucus up and out of the lungs.

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  • 10. 

    The ____ line(s) the nasal cavity and help remove pathogens.

    • Pharynx

    • Nasal septum

    • Nasal conchae

    • Cilia

    Correct Answer
    A. Cilia
    Explanation
    Cilia are tiny hair-like structures that line the nasal cavity. They play a crucial role in the respiratory system by helping to remove pathogens, such as dust, bacteria, and viruses, from the air we breathe. As the air passes through the nasal cavity, the cilia move in coordinated motions, sweeping the pathogens towards the throat where they can be either swallowed or expelled through coughing or sneezing. This mechanism helps to protect the respiratory system from potential infections and maintain its proper functioning.

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  • 11. 

    The nasal cavity is divided by the

    • Larynx

    • Nasal septum

    • Nasal conchae

    • Cilia

    Correct Answer
    A. Nasal septum
    Explanation
    The correct answer is nasal septum. The nasal cavity is divided into two halves by a structure called the nasal septum. The nasal septum is made up of cartilage and bone and it separates the left and right sides of the nasal cavity. This division helps to direct the airflow and aids in the filtration, humidification, and warming of the air that enters the nose.

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  • 12. 

    Which of the fallowing allow the lungs to move freely inthe thorax due to the secretoin of a serous fluid?

    • Bronchioles

    • Alveoli

    • Pleura

    • Glottis

    Correct Answer
    A. Pleura
    Explanation
    The pleura is a thin membrane that lines the lungs and the inside of the chest wall. It secretes a serous fluid that acts as a lubricant, allowing the lungs to move freely within the thorax during breathing. This fluid reduces friction between the lungs and the chest wall, preventing discomfort or pain during respiratory movements. The bronchioles are small airways within the lungs, the alveoli are tiny air sacs where gas exchange occurs, and the glottis is the opening between the vocal cords in the larynx. None of these structures are responsible for allowing the lungs to move freely in the thorax.

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  • 13. 

    The ___ are the part of the respiration tree to which the alveoli are attached.

    • Bronchioles

    • Alveoli

    • Pleura

    • Epiglottis

    Correct Answer
    A. Bronchioles
    Explanation
    Bronchioles are the part of the respiratory tree to which the alveoli are attached. The bronchioles are small, branching tubes that carry air from the bronchi to the alveoli. The alveoli are tiny air sacs where gas exchange occurs, allowing oxygen to enter the bloodstream and carbon dioxide to be removed. Therefore, the bronchioles play a crucial role in connecting the larger airways to the alveoli, facilitating the exchange of gases in the respiratory system.

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  • 14. 

    The ___ is the opening between the vocal cords.

    • Bronchus

    • Nasal cavity

    • Glottis

    • Epiglottis

    Correct Answer
    A. Glottis
    Explanation
    The glottis is the correct answer because it refers to the opening between the vocal cords. The glottis is responsible for producing sound when air passes through it, and it helps to control the pitch and volume of the voice. The other options, bronchus, nasal cavity, and epiglottis, are not directly related to the opening between the vocal cords.

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  • 15. 

    Which of the following prevents food from enterring the airway during swallowing?

    • Alveoli

    • Pleura

    • Glottis

    • Epiglottis

    Correct Answer
    A. Epiglottis
    Explanation
    The epiglottis is a flap of tissue located at the base of the tongue that prevents food from entering the airway during swallowing. When we swallow, the epiglottis closes over the opening of the larynx, or voice box, to ensure that food goes down the esophagus and into the stomach, rather than entering the trachea and potentially causing choking or aspiration. The alveoli are tiny air sacs in the lungs where gas exchange occurs, the pleura is a membrane that surrounds the lungs, and the glottis is the opening between the vocal cords in the larynx.

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  • 16. 

    Which of the following does not occur when air enters the lungs?

    • Thoracic pressure decreases.

    • The diaphragm contracts.

    • The diaphragm relaxes.

    • The intercostal muscles raise the ribs.

    Correct Answer
    A. The diaphragm relaxes.
    Explanation
    When air enters the lungs, the diaphragm contracts, causing it to move downwards and increase the volume of the thoracic cavity. This contraction of the diaphragm creates a negative pressure within the lungs, causing air to flow in. The intercostal muscles also play a role in this process by raising the ribs, further expanding the thoracic cavity. However, the diaphragm does not relax during this process. It relaxes and moves upwards during exhalation, helping to decrease the volume of the thoracic cavity and expel air from the lungs.

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  • 17. 

    Which of these occurs when air leaves the lungs?

    • Air pressure in the lungs is higher than atmospheric pressure, and the diaphragm relaxes.

    • Thoracic pressure decreases.

    • The diaphragm contracts, enlarging the thoracic cavity.

    • The intercostal muscles raise the ribs.

    Correct Answer
    A. Air pressure in the lungs is higher than atmospheric pressure, and the diaphragm relaxes.
    Explanation
    When air leaves the lungs, the air pressure in the lungs becomes higher than the atmospheric pressure. This occurs because the diaphragm, which is a muscle located at the base of the lungs, relaxes. As the diaphragm relaxes, it moves upward, reducing the volume of the thoracic cavity. This decrease in volume increases the pressure in the lungs, causing the air to be expelled.

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  • 18. 

    Which of the following does not affect the respiratory rate?

    • Pons

    • Carbon dioxide in the blood

    • Medulla oblongata

    • PH of the blood

    Correct Answer
    A. Medulla oblongata
    Explanation
    The medulla oblongata is responsible for controlling the respiratory rate. It receives signals from the pons and detects the levels of carbon dioxide and pH in the blood. Based on these signals, it adjusts the respiratory rate accordingly. Therefore, the medulla oblongata does affect the respiratory rate, making it an incorrect answer choice.

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  • 19. 

    Which of the following is the sum of tidal volume, inspiratory volume?

    • Expiratory reserve volume

    • Residual volume

    • Vital capacity

    • Total lung capacity

    Correct Answer
    A. Vital capacity
    Explanation
    Vital capacity is the sum of tidal volume, inspiratory reserve volume, and expiratory reserve volume. Tidal volume is the amount of air inhaled and exhaled during normal breathing. Inspiratory reserve volume is the additional amount of air that can be inhaled after a normal inhalation. Expiratory reserve volume is the additional amount of air that can be exhaled after a normal exhalation. Therefore, when you add these volumes together, you get the vital capacity, which represents the maximum amount of air that can be inhaled and exhaled during forced breathing.

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  • 20. 

    The ____ is the amount of air forcefully exhaled after a normal exhalation.

    • Tidal volume

    • Inspiratory reserve volume

    • Expiratory reserve volume

    • Residual volume

    Correct Answer
    A. Expiratory reserve volume
    Explanation
    The expiratory reserve volume is the amount of air forcefully exhaled after a normal exhalation. This volume represents the additional air that can be exhaled from the lungs beyond the normal tidal volume. It is the maximum amount of air that can be forcibly exhaled and is used during activities such as coughing or exercising.

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  • 21. 

    The amount of air that moves in or out of the lungs during a normal breath is the

    • Tidal volume.

    • Inspiratory reserve volume.

    • Expiratory reserve volume.

    • Residual volume.

    Correct Answer
    A. Tidal volume.
    Explanation
    The amount of air that moves in or out of the lungs during a normal breath is known as the tidal volume. This refers to the volume of air that is inhaled or exhaled during a regular breath without any extra effort. The inspiratory reserve volume is the additional volume of air that can be inhaled after a normal breath, the expiratory reserve volume is the additional volume of air that can be exhaled after a normal breath, and the residual volume is the volume of air that remains in the lungs even after a forceful exhalation.

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  • 22. 

    Which of these is the amount of air in the lungs after a forceful exhalation?

    • Expiratory reserve volume

    • Residual volume

    • Vital capacity

    • Total lung capacity

    Correct Answer
    A. Residual volume
    Explanation
    The residual volume refers to the amount of air that remains in the lungs after a forceful exhalation. This volume cannot be expelled from the lungs and is necessary to maintain the structure and function of the respiratory system. It helps to prevent the collapse of the alveoli and allows for gas exchange to continue even after exhalation.

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  • 23. 

    The ___ is the total amount of air that the lungs can hold.

    • Expiratory reserve volume

    • Residual volume

    • Expiratory reserve volume.

    • Total lung capacity

    Correct Answer
    A. Total lung capacity
    Explanation
    Total lung capacity refers to the maximum amount of air that the lungs can hold. It is the sum of all the lung volumes, including tidal volume, inspiratory reserve volume, expiratory reserve volume, and residual volume. This measurement is important in understanding lung function and can be affected by various factors such as age, gender, and overall health.

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  • 24. 

    Which of the following is cause by a virus and last 7-10 days?

    • COPD

    • Influenza

    • Legionnaire's disease

    • Pleurisy

    Correct Answer
    A. Influenza
    Explanation
    Influenza is caused by a virus and typically lasts for 7-10 days. It is a respiratory illness that affects the nose, throat, and lungs. Symptoms of influenza include fever, cough, sore throat, body aches, and fatigue. It is highly contagious and spreads through respiratory droplets when an infected person coughs or sneezes. Influenza can be prevented through vaccination and practicing good hygiene, such as washing hands frequently and covering mouth and nose when coughing or sneezing.

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  • 25. 

    In ___, inflammation causes obstruction of the bronchial tree.

    • Asthma

    • Bronchitis

    • Pleurisy

    • Pneumonia

    Correct Answer
    A. Asthma
    Explanation
    In asthma, inflammation causes obstruction of the bronchial tree. This is because asthma is a chronic respiratory condition characterized by inflammation and narrowing of the airways. When triggered by certain factors such as allergens or irritants, the airways become inflamed, leading to swelling and increased production of mucus. This inflammation and excess mucus can cause the bronchial tree to become obstructed, making it difficult for air to flow freely in and out of the lungs. This obstruction results in symptoms such as wheezing, shortness of breath, and coughing.

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  • 26. 

    Smokers are much more likely to develope ____ than are nonsmokers, and repeated episodes increase a person's chance of eventually developing lung cancer.

    • Asthma

    • Bronchitis

    • Pleurisy

    • Pneumonia

    Correct Answer
    A. Bronchitis
    Explanation
    Smokers are much more likely to develop bronchitis than nonsmokers. Bronchitis is an inflammation of the bronchial tubes, which are responsible for carrying air to and from the lungs. Smoking damages the cilia, tiny hair-like structures that line the bronchial tubes and help to clear mucus and foreign particles from the airways. This damage impairs the ability of the lungs to defend against infections, making smokers more susceptible to developing bronchitis. Repeated episodes of bronchitis also increase the risk of developing lung cancer, highlighting the harmful effects of smoking on respiratory health.

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  • 27. 

    In ___,airflow to lungs is limited and the alveoli become enlarge.

    • Asthma

    • Tuberculosis

    • COPD

    • Pleurisy

    Correct Answer
    A. COPD
    Explanation
    COPD stands for Chronic Obstructive Pulmonary Disease, a condition characterized by limited airflow to the lungs and enlargement of the alveoli. In COPD, the airways become partially blocked, making it difficult for air to flow in and out of the lungs. This leads to the enlargement of the alveoli, which are tiny air sacs in the lungs responsible for gas exchange. As a result, the lungs are not able to efficiently exchange oxygen and carbon dioxide, leading to symptoms such as shortness of breath, coughing, and wheezing.

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  • 28. 

    Which of the following is a collection of air in the chest around the lungs, which may cause atelectasis?

    • Pulmonary edema

    • Pulmonary embolism

    • SARS

    • Pneumothorax

    Correct Answer
    A. Pneumothorax
    Explanation
    A pneumothorax is a condition where air collects in the chest around the lungs, causing atelectasis. This occurs when there is a rupture in the lung or air leaks from the airways into the chest cavity. The presence of air in the chest can put pressure on the lung, causing it to collapse partially or completely. This can lead to symptoms such as chest pain, shortness of breath, and decreased oxygen levels. Treatment for a pneumothorax may involve the removal of air from the chest cavity and sealing the leak to prevent further air accumulation.

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  • 29. 

    Which of the following most often results when heart function declines and fluids fills spaces of the lungs?

    • Pulmonary edema

    • Pulmonary embolism

    • TB

    • Pneumothorax

    Correct Answer
    A. Pulmonary edema
    Explanation
    When heart function declines, it can lead to a condition called pulmonary edema. This occurs when fluid accumulates in the lungs, making it difficult for oxygen to pass into the bloodstream. Symptoms of pulmonary edema include shortness of breath, coughing, and a feeling of suffocation. If left untreated, it can be life-threatening.

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  • 30. 

    Which of the following is a relatively new respiration disease cause by a virus that is very contagious and somethimes fatal?

    • SARS

    • Sinusitis

    • SIDA

    • TB

    Correct Answer
    A. SARS
    Explanation
    SARS, which stands for Severe Acute Respiratory Syndrome, is a relatively new respiratory disease caused by a virus. It is highly contagious and can sometimes be fatal.

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  • 31. 

    Which of the following is cause by cigarette smoking?

    • Influenza

    • Legionnaire's disease

    • Lung cancer

    • Pleurisy

    Correct Answer
    A. Lung cancer
    Explanation
    Cigarette smoking is a known cause of lung cancer. The chemicals and toxins present in cigarette smoke can damage the cells in the lungs, leading to the development of cancerous cells. This is why lung cancer is strongly associated with smoking, and quitting smoking is one of the most effective ways to reduce the risk of developing this type of cancer.

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  • 32. 

    Which of the following is not a form of pneumoconiosis?

    • Anthracosis

    • Bronchitis

    • Asbestosis

    • Silicosis

    Correct Answer
    A. Bronchitis
    Explanation
    Bronchitis is not a form of pneumoconiosis. Pneumoconiosis refers to a group of lung diseases caused by the inhalation of dust particles, usually in an occupational setting. Anthracosis is a type of pneumoconiosis caused by the accumulation of coal dust in the lungs. Asbestosis and silicosis are also forms of pneumoconiosis caused by the inhalation of asbestos and silica dust, respectively. Bronchitis, on the other hand, is an inflammation of the bronchial tubes, usually caused by a viral or bacterial infection. It is not directly related to the inhalation of dust particles.

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  • 33. 

    It is best to position the baby on its back for sleep to decrease the chance of ____. This is specially important for those known to be at risk, those with previous apneic episodes, or those who have lost a sibling.

    • SARS

    • COPD

    • SIDA

    • TB

    Correct Answer
    A. SIDA
    Explanation
    Positioning the baby on its back for sleep is recommended to decrease the chance of Sudden Infant Death Syndrome (SIDS). This is particularly important for babies who are known to be at risk, those who have had previous apneic episodes, or those who have lost a sibling. SIDS is a condition where a seemingly healthy baby dies unexpectedly during sleep, and placing them on their back reduces the risk of this happening.

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  • 34. 

    ____ is cause by a blocked artery in the lungs and is frequently the result of immobility.

    • Pulmonary edema

    • Pulmonary embolism

    • Pneumothorax

    • Sinusitis

    Correct Answer
    A. Pulmonary embolism
    Explanation
    Pulmonary embolism is caused by a blocked artery in the lungs, often resulting from immobility. This condition occurs when a blood clot, usually from the legs, travels to the lungs and blocks the blood flow. It can lead to difficulty in breathing, chest pain, and even sudden death if not treated promptly. Immobility, such as prolonged bed rest or long-distance travel, increases the risk of developing blood clots that can lead to pulmonary embolism. Therefore, pulmonary embolism is the correct answer.

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  • Sep 23, 2024
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  • Sep 19, 2010
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