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it is left so that there is sufficient time for enough oxygen to be absorbed and for the carbon dioxide to be released

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What type of air is residual volume?

Residual volume is the air that remains in the lungs after a maximal exhalation. It is considered a type of "stale" or stagnant air that cannot be voluntarily expelled and helps keep the lungs inflated.


How much residual should you get from a g tube?

Residual volume from a gastrostomy tube (G-tube) should be checked before feeding to ensure it is less than a specified amount (usually 100-200 mL) as a large residual volume may indicate feeding intolerance or gastric retention. If the residual volume exceeds the defined threshold, it is important to follow the healthcare provider's instructions on how to proceed with feeding.


What effect does aerobic training has on vital capacity and residual volume?

What happens is the vital capacity of the lungs greatly increases over time while residual volume decreases. Essentially the body is becoming more conditioned and the entire cardiovascular system improves, therefore it does not need the extra residual volume. However, if someone were to not exercise at all the opposite would occur. Source: Fitness For Life class I was in during winter quarter of 2011.


Does residual volume increase in asthmatics?

Yes, in asthmatics, residual volume can increase due to hyperinflation of the lungs caused by air trapping during an asthma attack. This can lead to difficulty in breathing out fully, which contributes to the characteristic wheezing and shortness of breath seen in asthma.


Can you use the spirometer to measure your total lung capacity?

No. A spirometer can be used to measure the volume of breath a person can expire but it is impossible to expire your entire lung capacity. This is due to the "dead space" capacity that remains to stop the collapse of the alveoli. As the alveoli are spherical and lined with mucus if they collapse it would be impossble for them to be filled again and so some air must remain within them. It is, however, possible to estimate someone's total lung capacity from the spirometer reading.

Related Questions

What is residual volume of air?

Residual volume of air is the volume of air remaining in the lungs after maximal exhalation. It is not possible to voluntarily exhale this air, as it helps to keep the lungs inflated and prevents them from collapsing. Residual volume plays a key role in maintaining the oxygen-carbon dioxide exchange in the lungs.


What type of air is residual volume?

Residual volume is the air that remains in the lungs after a maximal exhalation. It is considered a type of "stale" or stagnant air that cannot be voluntarily expelled and helps keep the lungs inflated.


The air remaining in the lung after a maximal expiration is the?

residual volume


What is the functional residual capacity FRC composed of?

Functional Residual Capacity (FRC) = Expiratory Reserve Volume (ERV) + Residual Volume (RV)


What is the difference between functional residual capacity and residual volume in the context of pulmonary physiology?

Functional residual capacity (FRC) is the volume of air remaining in the lungs after a normal exhalation, while residual volume (RV) is the volume of air remaining in the lungs after a maximal exhalation. FRC includes both the expiratory reserve volume and the residual volume, while RV is the volume of air that cannot be exhaled from the lungs.


What is the air left in your lungs after you exhale called?

The air left in your lungs after exhaling is called "Expiratory Reserve".


What volume allows gas exchange to go on continuously?

Residual volume allows gas exchange to go on continuously


What is the function of residual volume?

The function of residual volume is to keep enough pressure in the lungs to keep them from collapsing.


Which volume of air is not included in the vital capacity?

residual (reserve) volume


What volume is not included in the vital capacity?

The volume not included in the vital capacity is the residual volume (RV). Residual volume is the amount of air that remains in the lungs after a maximal exhalation and cannot be voluntarily expelled. Vital capacity, which consists of tidal volume, inspiratory reserve volume, and expiratory reserve volume, measures the maximum amount of air a person can exhale after a deep breath, excluding the residual volume.


What is a residual lake?

Lakes which are made by residual rocks which are left after weathering and erosion and form the residual lakes.


How can one accurately measure residual volume in a container?

To accurately measure residual volume in a container, you can use a graduated cylinder or a measuring cup with clear markings. Fill the container with the substance, making sure it is level with the top. Then, carefully pour the substance into the measuring tool and note the volume. Subtract this volume from the total volume of the container to determine the residual volume.