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Airway resistance is primarily affected by the diameter of the airways, which can change due to factors like bronchoconstriction, inflammation, and mucus production. Conditions such as Asthma and chronic obstructive pulmonary disease (COPD) can lead to increased airway resistance by narrowing the air passages. Additionally, factors like airflow velocity and the presence of external pressure can also influence resistance levels. Overall, changes in airway structure and function play a crucial role in determining airway resistance.
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Which factor does not affect the resistance of a material?
The factor that does not affect the resistance of a material is the color of the material. Resistance is primarily determined by factors such as the material's dimensions, temperature, and composition.
What does not affect a material resistance?
Material resistance is not affected by color, texture, or surface finish. It is primarily determined by the material's intrinsic properties such as conductivity, thickness, and temperature.
What does not affect electrical resistance?
Electrical resistance is primarily determined by the material's properties (resistivity, temperature, dimensions) and not affected by factors like voltage or current. However, the type of material, temperature, and length can impact resistance.
How does light affect Thermistor?
Light does not directly affect a thermistor, as its resistance is primarily determined by temperature changes. However, if light generates heat that affects the temperature of the thermistor, then it can indirectly alter its resistance. In general, thermistors are designed to be affected by temperature changes, not light.
How does diet affect respiratory system?
Multiple ways. The most obvious is that certain foods - primarily vegetables, fruits and certain herbs - reduce inflammation in the airways and lungs. Other foods increase inflammation.
What effects the restance of an electrical conductor?
The resistance of an electrical conductor is primarily affected by its length, cross-sectional area, and the material it is made of. Longer conductors have higher resistance, while conductors with larger cross-sectional areas have lower resistance. Different materials have different resistivities, which also affect resistance.
Does the length of a conductor not affect its resistance?
The length of a conductor Does affect it's resistance.The longer it is, the more the resistance.
Explain how resistance in the air passages compliance elasticity of the lungs and the surface tension in the alveoli affect the flow of air in and out of the lungs?
Air tends to flow from high pressure to low pressure. If the pressure in the lungs exceeds that pressure at the mouth (which is usually atmospheric pressure), then air will flow out of the lungs. During normal inhalation, the diaphragm muscle contracts, pushing the abdominal contents, but increasing the volume on the thoracic cavity (the chest). Since at first the volume of the lungs increases as it is pulled with the diaphragm, the intrathoracic pressure decreases, and air moves into the lungs. If the pressure in the lungs were to increase relative to the air at the lips then air would move out. The elasticity of the lungs tends to make the lungs want to assume a smaller size (like the elasticity of a stretched rubber band). This force in addition to the force of expiratory muscles if they are being used will increase pressure in the lung (under normal circumstances this is basically intrathoracic pressure). However, the velocity of the flow of air is limited by airways resistance. [This is similar to V=IR from electricity voltage = current x resistance] In the case of the lung, the flow is proportional to the change in pressure (delta pressure intrathoracic pressure vs atmospheric pressure) and inversely proportional to the airways resistance. So resistance in the air passages with slow the flow of air out of the lung. Now you might think that one could easily overcome airways (air passages) resistance's negative affect on flow by increasing the pressure in the lungs. Unfortunately this cannot be done without increasing the airways resistance too. Because as I try to squeeze air out of my alveoli with more pressure that pressure is transmitted throughout the lung and to my small airways that are compressible and thus if a bear were to hug me and try to squeeze air out of me faster this would also increase the airways resistance by narrowing some of the small airways, increasing resistance and decreasing flow.
How does increasing the resistance affect the current?
Increasing resistance decreases current.
How does surface area affect air resistance?
air resistance affects
How does the increasing the resistance affect the current?
Increasing resistance decreases current.
The following does not affect the electrical resistance of a body?
The electrical resistance of a body is primarily influenced by factors such as material type, length, cross-sectional area, and temperature. However, external factors like the body's shape or surface texture, as long as they don't change the physical dimensions or material properties, generally do not affect resistance. Additionally, environmental conditions like humidity may influence resistance in some materials but are not a direct factor of the body's intrinsic properties.
