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[DOCX File]A3.2.2LungCapacityLoggerPro
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Studies have shown that occasional smokers were found to have a greater lung capacity, known as a forced vital capacity (FVC) than nonsmokers (Holmen et al., 2002). Cigarette smoking produces an inflammatory response in the airways of everyone but only 15-20% of smokers develop airways obstruction (Hogg et al., 1994).
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Total Lung Capacity: Uses, Procedure, Results
The expiratory reserve is the volume of air you can breathe out after normal inhalation and exhalation. The average values for male and female adults are listed in the table below. The lung capacity values are related to several factors which include height, gender, and fitness level. Table 1. Average adult lung volumes measured with a spirometer.
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[DOC File]Lung Capacity Lab 's Science
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Some normal lung capacity values and terms: Tidal volume (TV) – amount of air inhaled during a normal breath = 500ml (1/2 liter); 350ml actually reach alveoli. Inspiratory reserve volume (IRV) – amount of air that can be forcefully inhaled = 3.1 liters; expiratory reserve.
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[DOC File]Comparison of Vital Lung Capacity between Smokers and Non ...
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Lung capacity is affected by numerous disease and medical conditions including emphysema, asthma, and the common cold. In this activity you will measure lung volumes during normal breathing and with maximum effort to calculate your tidal volume, vital capacity, and minute ventilation.
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[DOC File]Comparison of Vital Lung Capacity between Smokers and Non ...
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Normal exhalation is passive (does not require energy expenditure by cells) and results from the recoil of the chest wall, diaphragm, and lung tissue. When at rest and breathing normally, most people use only about 10% of their total lung capacity.
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[DOC File]The Respiratory System: basic anatomy, physiology, and ...
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Lung Capacity Lab NAME: Human lung capacity – or how much air can fit in your lungs – can be measured in several ways. One way is by using a piece of laboratory equipment called a spirometer. Lung capacity can also be measured using a balloon. The data you obtain may not be as accurate as that obtained using a spirometer though.
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[DOC File]Physiologic differences between infants, children and adults
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The reduction in lung capacity, with no reduction in expiratory ability would indicate possible restrictive lung disease, including: cystic fibrosis, lung cancer, or pneumonia. Reported symptoms, including: shortness of breath, bloody sputum, fatigue, swelling of the face and neck, and a long history of smoking are all indicators for possible ...
lung volume and capacity

[DOCX File]A3.2.2LungCapacityLoggerPro
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Lung volumes – Total lung capacity (90 ml/kg), dead space volume (2 ml/kg), tidal volume (7-9 ml/kg) all similar to adult values on a per kg basis. Oxygen consumption much higher in infants; 6-8 ml/kg/min compared to 3-4 ml/kg/min in adults. Closing volume much higher in infants – may explain lower normal values for PaO2 during infancy.
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[DOC File]Lung Capacity Lab
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This patient has normal spirometry and normal lung volumes. However, there is a dramatic isolated reduction in the diffusing capacity. The differential diagnosis of this finding includes early interstitial lung disease, pulmonary vascular disease, or (less commonly) varient emphysema.
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[DOC File]Interpretation of Pulmonary Function Tests
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The mean vital lung capacity of the smokers was 3.285 L, and the mean vital lung capacity of the non-smokers was 1.844 L (WAS THIS DURING RESTING OR DURING EXERCISE???). A significant difference was observed between the vital lung capacities of the smokers compared to the non-smokers (unpaired, one-tailed t-test, p=0.003).
40% lung capacity life expectancy

What is normal lung capacity