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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Which of the following structures is not found in the upper respiratory tract |
C. Carina |
A. Palatine tonsils B. Turbinates C. Carina D. Fouces |
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Which of the following structures is found in the respiratory zone |
B. Terminal bronchioles |
A. Aviola ducts B. Terminal bronchioles C. Tertiary bronchus D. trachea |
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Which of the following statements on pulmonary ventilation is true |
A. The diaphragm is responsible for 75% of thoracic expansion |
A. The diaphragm is responsible for 75% of thoracic expansion B. expiration is dependent upon external intercostal muscle activity C. Intrapulmonary pressure is always greater than atmospheric pressure D. The diaphragm and external intercostal muscles are two major accessory muscles |
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Which of the following statements for work of breathing is true |
C. Lung disease can increase work of breathing |
A. Increased Airway diameter increases Airway resistance B. surfactant increases at the aviola surface tension C. Lung disease can increase work of breathing D. InHealth work of breathing accounts for 50% of Total Body energy expenditure |
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Where are the respiratory centres |
A. The medulla oblongata and pons |
A. The medulla oblongata and pons B. The hypothalamus C. The limbic system D. Cerebral cortex |
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Which of the following could increase the rate of breathing |
D. All of the above |
A. Increased carbon dioxide B. Decreased oxygen levels C. Pyrexia D. All of the above |
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Which of the following statements on external respiration is true |
D. Oxygen diffuses from the alveoli into pulmonary circulation |
A. The concentration of oxygen is greater in pulmonary circulation and than in the alveoli B. The concentration of carbon dioxide is greater in the alveoli than in pulmonary circulation C. Carbon dioxide diffuses from the alveoli into pulmonary circulation D. Oxygen diffuses from the alveoli into pulmonary circulation |
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Reduced levels of oxygen in blood is called |
A. Hypoxaemia |
A. Hypoxaemia B. Hypercapnia C. Hypocapnia D. Hypoxia |
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The amount of oxygen utilised by cells is referred to as |
C. Oxygen consumption ( VO2) |
A. Oxygen content ( CaO2) B. Oxygen delivery ( DO2) C. Oxygen consumption ( VO2) D. Oxygen capacity |
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Which of the following can be transported attached to the haemoglobin |
D. All of the above |
A. Oxygen B. Carbon dioxide C. hydrogen ions D. All of the above |
