Table of Contents
- 1 In which disorder is airflow to the lungs limited and do the alveoli?
- 2 What allows the lungs to move freely in the thorax due to the secretion of a serous fluid?
- 3 How does the pleural membrane and surfactant keep the lungs from collapsing?
- 4 What could happen if air gets caught in between the space between the lungs and thoracic cavity?
- 5 What would occur if there were a decreased level of hemoglobin in the blood?
- 6 What happens when the left ventricle of the heart fails?
- 7 How does an enlarged heart affect the cardiovascular system?
In which disorder is airflow to the lungs limited and do the alveoli?
Emphysema is one of the diseases that comprises COPD (chronic obstructive pulmonary disease). Emphysema develops over time and involves the gradual damage of lung tissue, specifically the destruction of the alveoli (tiny air sacs).
What allows the lungs to move freely in the thorax due to the secretion of a serous fluid?
The pleura Between the two layers is the intrapleural space, which normally contains fluid secreted by the membranes. This allows the two layers to slide easily over one another as the lungs inflate and deflate during respiration.
Which of the following is a collection of blood in the chest around the lungs which may cause atelectasis?
Hemothorax is when blood collects between your chest wall and your lungs. This area where blood can pool is known as the pleural cavity. The buildup of the volume of blood in this space can eventually cause your lung to collapse as the blood pushes on the outside of the lung.
Which of the following allow the lungs to move freely in the thorax due?
The inner (visceral pleura) covers the lungs and the outer (parietal pleura) lines the inner surface of the chest wall. This membrane secretes a small amount of fluid, allowing the lungs to move freely within the pleural cavity while expanding and contracting during breathing.
How does the pleural membrane and surfactant keep the lungs from collapsing?
explain how the pleural membrane and surfactant keep the lungs from collapsing. the pleural membrane produces a liquid called surfactant that allows the lung to stick to the ribs. on occasion, air gets caught in the space between the lungs and the thoracic cavity and can cause the lungs to collapse.
What could happen if air gets caught in between the space between the lungs and thoracic cavity?
A collapsed lung occurs when air enters the pleural space, the area between the chest wall and the lung. Air in the pleural space can build up and press against the lung, causing it to collapse partially or fully. Also called a deflated lung or pneumothorax, a collapsed lung needs immediate medical care.
What does atelectasis cause?
Atelectasis makes it more difficult for your lungs to get oxygen to the air sacs (alveoli). Pneumonia. Your risk for pneumonia continues until the atelectasis goes away. Mucus in a collapsed lung may lead to infection.
In which disorder is airflow to the lungs limited?
In COPD, the airways of the lungs (bronchial tubes) become inflamed and narrowed. They tend to collapse when you breathe out and can become clogged with mucus. This reduces airflow through the bronchial tubes, a condition called airway obstruction, making it difficult to move air in and out of the lungs.
What would occur if there were a decreased level of hemoglobin in the blood?
Hemoglobin, the substance that gives color to red blood cells, is the substance that allows for the transport of oxygen throughout the body. Low hemoglobin levels lead to anemia, which causes symptoms like fatigue and trouble breathing.
What happens when the left ventricle of the heart fails?
When the left ventricle fails, fluid backs up in the lungs. In turn, pressure from excess fluid can damage the heart’s right side as it works to pump blood into the lungs. Heart failure usually is a chronic, or long-term, condition that gradually gets worse.
Why do I get short of breath when I have heart failure?
Breathlessness or Shortness of Breath (Dyspnea) When the heart begins to fail, blood backs up in the veins attempting to carry oxygenated blood from the lungs to the heart. As fluid pools in the lungs, it interferes with normal breathing. In turn, you may experience breathlessness during exercise or other activities.
What causes heart failure on the right side?
Right heart failure may occur alone but is usually a result of left-sided failure. When the left ventricle fails, fluid backs up in the lungs. In turn, pressure from excess fluid can damage the heart’s right side as it works to pump blood into the lungs. Heart failure usually is a chronic, or long-term, condition that gradually gets worse.
How does an enlarged heart affect the cardiovascular system?
An enlarged heart eventually doesn’t function as well as a normal heart, and the extra muscle mass adds stress to the entire cardiovascular system. The organ systems from which blood has been diverted may eventually deteriorate because of an inadequate supply of oxygen.