WebStudy with Quizlet and memorize flashcards containing terms like Each lung is covered by a thin serous membrane called a _____; a similar membrane covers the internal chest wall and diaphragm., Both membranes produce a _____ serous fluid that helps the pleurae slide freely against each other during inspiration and _____. Surface tension between … WebThe low surface tensions resulting from surfactant help to prevent alveolar collapse and keep interstitial fluid from flooding the alveoli. ... The type 2 pneumocyte is a larger polygonal cell that produces surfactant and processes circulating vasoactive substances. The alveolar macrophage is a migratory cell that forms part of the defense ...

Alveoli and Surfactant

WebJan 25, 2024 · They happen due to the movement of fluid and other secretions in the large airways. This can result from conditions such as asthma and viral infections in the upper … WebThe alveoli are the tiny air sacs in the lungs where gas exchange happens. And their walls are lined by a thin film of water, which creates a force at their surface called surface tension. Surface tension tends to collapse the … greenpark electric motors

Why Do We have to Move Fluid to be Able to Breathe?

WebWhen the alveoli are directly damaged, the surrounding blood vessels become inflamed, allowing fluid to leak into the alveoli, and resulting in alveolar collapse and ARDS. … Pulmonary edema is a condition caused by too much fluid in the lungs. This fluid collects in the many air sacs in the lungs, making it difficult to breathe. In most cases, heart problems cause pulmonary edema. But fluid can collect in the lungs for other reasons. These include pneumonia, contact with certain toxins, … See more Pulmonary edema symptoms may appear suddenly or develop over time. Symptoms depend on the type of pulmonary edema. See more The causes of pulmonary edema vary. Pulmonary edema falls into two categories, depending on where the problem starts. 1. If a … See more Complications of pulmonary edema depend on the cause. In general, if pulmonary edema continues, the pressure in the pulmonary artery can rise (pulmonary hypertension). Eventually, the heart becomes weak … See more Heart failure and other heart conditions that raise pressure in the heart increase the risk of pulmonary edema. Risk factors for heart failure include: 1. Irregular heart rhythms (arrhythmias) 2. Alcohol use 3. Congenital heart … See more flynth accountants roermond