Lung volumes

First, I would do a lung volume test. This test measures the volume of air in the lungs at distinct periods of the breathing cycle. It is accomplished utilizing a machine called the plethysmography. You are seated during the exam and will be asked to breathe in and out of a mouthpiece and sometimes to gasp for air (Ranu et al., 2011). The exam is specifically beneficial in distinguishing between restrictive lung diseases such as pulmonary fibrosis and obstructive lung diseases such as asthma. Secondly, I would do a maximal voluntary ventilation test (MVV). This measures the greatest quantity of air that can be breathed in and breathed out in one minute. The exam is commonly carried out greater than 15 seconds, which will require you to breathe in and out as vigorously as possible (Ranu et al., 2011). This exam can be beneficial in evaluating the overall capacity of the respiratory system. It might be diminished in cases of asthma, upper airway…

acute dynamic lung hyperinflation, dyspnea is increasingly implicated as the primary symptom causes exercise limitation and skeletal muscle deconditioning as a result of avoidance activity. Hyperinflation, refers to an increase in lung volume above the resting volume due to air trapping, is the crucial consequence of mechanical restriction of this…

For our first model we choose to make four rectangular prisms, and one cube to make a pair of glasses for the two Ping-Pong ball model. We choose these shapes because, we both knew how to find the surface area and volume of them to the point where it wasn’t easy, but it was not super difficult. We felt safe using these shapes. When put together they also can be taped together perfectly to resemble a pair of glasses. We thought that this would be a great model to make because, for one thing my…

Lab 4 in Chem 115 has three parts all calculating density. In part one, a 100 mL beaker, a volumetric pipet, and an analytical scale were obtained. To begin, the mass of the beaker was taken using an analytical scale. Then, 10.0 mL of an unknown liquid was transfered to the beaker using the volumetric pipet. Next, the mass of the beaker and liqiud was recorded along with the letter identifying the unknown liquid. By subtracting the mass of the 100 mL beaker from the mass of the beaker and…

density to determine if the slab is the same substance as one of the cubes. In order to do so, the mass of each of the two cubes, and the slab were taken, and the dimensions of each were accurately measured. The dimensions were multiplied to find the volume, and the volume and mass were then used to find a comparable value, the density of each object. The mass and volume of an irregularly shaped stone were then found, and from this, the density of the stone was calculated. The density of the dot…

Introduction In this lab, we are measuring the ranges R of the ball as the function of the heights, H, that the ball is dropped from. I will use these data to determined the relationship between the height and the range. Procedure We divided this experiment into three parts. In the part one, the object was to observe the scatter in data. To do this, we set up the equipment: the bounce plate is 20 cm above the table ,the drop plate 20 cm above the bounce plate, a piece of carbon paper…

of wood and measured all of its dimensions. Using these values we were to find the area, volume, and density of the block of wood. We also calculated the maximum area, volume, and density using the uncertainty values that we were…

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record the weight, then pour in whatever amount of sand you choose. You then must weigh that to find the mass, and subtract whatever you got by the mass of the graduated cylinder. After that you pour in some water, and find the difference of how much the water went up and, what the level of sand was at before you added the water. Lastly you use the density formula, which is d=m/v, to find the density of the sand. The weight of the graduated cylinder was 40.325g. After adding in the sand it…

The hypothesis stated that when the size of the cube is reduced then the area of colour will reduce greater. In this practical, the results show that the smaller cube, which has a greater SA:V ratio, has a greater percentage of uncoloured area. This can be seen in figure 1, table 1 and figure 4. In figure 1 the results show how a 3cm3 has the ratio of 3:1 and 1cm3 has 6:1. If the measurement was reduced down to 0.1cm3 then the ratio would be to 60:1 which is a great difference to the other…