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Respiratory physiology definitions - Statistics
General Stats
- This quiz has been taken 33 times
- The average score is 4 of 17
Answer Stats
| Definition | Answer | % Correct |
|---|---|---|
| lung volume representing normal volume of air displaced between normal inhalation and exhalation when extra effort is not applied. | tidal volume | 63%
|
| surface-active lipoprotein complex formed by type II pneumocytes that reduces surface tension. | surfactant | 58%
|
| collapse or closure of a lung | atelectasis | 50%
|
| volume of air present in the lungs at the end of passive expiration. | functional residual capacity | 29%
|
| hypothetical pressure of a particular gas if it alone occupied the volume of the mixture at constant temperature | partial pressure | 29%
|
| maximum amount of air a person can expel from their lungs after maximum inhalation | vital capacity | 25%
|
| breakdown of lung tissue from inflammatory response to long-term exposure to irritants | emphysema | 21%
|
| a person's maximum speed of expiration | peak expiratory flow | 21%
|
| pressure within the pleural cavity | intrapleural pressure | 17%
|
| when the alveoli are perfused as normal, but ventilation fails to supply the perfused region | pulmonary shunt | 13%
|
| volume of gas per unit time that reaches the alveoli. tidal volume-dead space. | alveolar ventilation | 8%
|
| haemoglobin's affinity for oxygen is inversely related to both acidity and CO2 concentration | Bohr effect | 8%
|
| measure of the transfer of gas from air in the lung into erythrocytes in lung blood vessels | diffusing capacity | 8%
|
| amount of air moved in or out of the lungs per minute | total ventilation | 8%
|
| opposition to flow caused by forces of friction in respiratory tract | airways resistance | 4%
|
| measure of the lung's ability to stretch and expand | pulmonary compliance | 4%
|
| volume of air that is inhaled but does not take part in the gas exchange, either because it remains in conducting airways or reaches alveoli that are not perfused/ poorly perfused. | respiratory dead space | 4%
|
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