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What causes IRDS?
Collapsing Alveoli
What keeps the lungs from collapsing when the airways are open to the atmosphere?
The structure of the lungs, which are surrounded by a lining called the pleura, helps to keep them inflated. The pleural pressure is lower than the pressure inside the alveoli, creating a partial vacuum that prevents the lungs from collapsing. Additionally, the presence of surfactant in the alveoli reduces surface tension, helping to maintain lung expansion.
What is the fluid in the alveoli called?
The fluid in the alveoli of the lungs is called pulmonary surfactant. It helps to reduce surface tension and prevent the alveoli from collapsing, allowing for efficient gas exchange during respiration.
What is the protein fat compound that creates surface tension and keeps the walls of the alveoli from collapsing?
The compound is called surfactant, which is a mixture of lipids and proteins. Surfactant reduces surface tension in the alveoli, preventing them from collapsing and allowing for efficient gas exchange in the lungs.
How are septal cells involved in keeping alveoli from collapsing?
They produce surfactant, a substance that reduces surface tension. Alveoli are very small, only 80 nanometers wide, and are flat. Therefore they have a tendency to curl up. The surfactant reduces this tendency, hence keeps the alveoli from collapsing.
Which principle normally prevents the alveoli from collapsing during expiration?
cardiac output can be determined by the following formula
What is the scientific name for lung cells?
Pneumocyte. There are two types: Type I cells make up the lining of the air sacks (alveoli) in the lung, type II cells produce a slick liquid called surfactant that helps coat the alveoli and keep them from collapsing when we exhale.
What is the function of type 2 alveoli walls?
Type 2 alveoli cells secrete surfactant, which helps to reduce surface tension in the alveoli. This allows for easier expansion of the alveoli during inhalation and prevents them from collapsing during exhalation, promoting efficient gas exchange.
How do reinforcements keep structure from collapsing?
don't know by keeping the structure good collapsing
Why do scrums keep collapsing in rugby?
safety because the team collapsing the scrum has lost the ball
What is the serous fluid reduces surface tension?
Surfactants, which are molecules that lower surface tension, can be found in serous fluid. These molecules help prevent alveoli in the lungs from collapsing by reducing the surface tension of the fluid lining the alveoli.
What do septal cells do?
Septal cells, also known as Clara cells, are found in the respiratory bronchioles of the lungs. They produce surfactant, a fluid that helps reduce surface tension in the air sacs (alveoli) of the lungs, preventing them from collapsing. Septal cells also play a role in protecting the airways from foreign particles and toxins.
