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Alveolar ventilation may be decreased by the following factors
1.decrease in pulmonary ventlation
2.high altitude
3.blockage of the respiratory system
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What is the best indication of the adequacy of alveolar ventilation?
PaCO2.
The typical cell making up the alveolar wall is the?
The alveolar sac, also called an alveolus, is lined by cells called type I pneumocytes.
What are the physical factors influencing pulmonary ventilation?
One physical factor that can influence respiration is temperature. Another physical factor that can influence is the diffusion constant of each gas.
What produces surfactant?
type II alveolar cells
What force causes oxygen to enter the alveoli?
Negative pressure causes oxygen to enter the alveoli. Air is pulled into the lungs as the lungs expand. The alveoli are membranes of small balloon-like structures attached to the branches of the bronchial passages.
What happens if the neural connections between the pneumotaxic center and apneustic center are severed?
Decreased pulmonary and alveolar ventilation.
What is the difference between pulmonary and alveolar ventilation?
nothing
What is the best indication of the adequacy of alveolar ventilation?
PaCO2.
In COPD the PaCO2 will increase but the ventilation will not increase why?
ecause of air trapping and ineffective alveolar ventilation
What is the function of alveolar macrophage in the lungs?
function of alveolar macrophagesThe function of alveolar macrophage in the lungs is to remove dust particles and other debris from alveolar spaces. -SheshiAveolar macrophages work to break up surfactanct in the aveoli which exists to decrease surface tension in the lungs. If there is a disorder where the macrophage does not function correctly, such as in PAP, the surfactant will not be broken up and decreased ventilation will occur resulting in less oxygen delivery.
What is the volume of gas that reaches the respiratory zone of the lungs called?
alveolar ventilation
The volume of air available for gas exchange per minute is called what?
alveolar ventilation.
How do you get alveolar ventilation rate?
AVR=(Tidal Volume-Dead Space)* Respiratory Rate(or Frequency)
What is alveolar ventilation refers to?
Alveolar volume is lung capacity. Alveoli are the air sacs in the bronchioles. How much air the lungs hold during both inspiration and expiration is lung capacity which is alveolar volume. Hope this helps
Rapid increase of organic acid in the body?
Rapid increase of organic acids in the body you would expect to observe the increase in your heart rate. You would also observe increased alveolar ventilation, decreased blood pH and increased in blood pressure.
What is function of ventilation?
The main function of the pulmonary vein is to carry oxygenated blood from the lungs to the left atrium. Then it is transferred to the aorta, which takes the blood to the head and arms.
What happens to the Alveolar attachments in COPD?
•The normal airway is distended by alveolar attachments during expiration, allowing alveolar emptying and lung deflation. In COPD, these attachments are disrupted because of emphysema, thus contributing to airway closure during expiration, trapping gas in the alveoli and resulting in hyperinflation
