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Questions and Answers
What is the primary role of surfactant cells in the lungs?
What is the primary role of surfactant cells in the lungs?
- Prevent alveolar collapse (correct)
- Enhance respiratory muscle strength
- Increase lung compliance
- Promote lung elasticity
In Acute Respiratory Distress Syndrome (ARDS), what is the hallmark feature associated with the presence of a hyaline membrane?
In Acute Respiratory Distress Syndrome (ARDS), what is the hallmark feature associated with the presence of a hyaline membrane?
- Alkalosis
- Acidosis
- Hypoxemia (correct)
- Hypercapnia
What is the consequence of a VQ mismatch in the lungs?
What is the consequence of a VQ mismatch in the lungs?
- Decreased ventilation relative to perfusion (correct)
- Improved lung compliance
- Increased oxygen delivery to tissues
- Enhanced CO2 removal from the body
During the proliferative phase of ARDS, why does the body produce dense and fibrous lung tissue?
During the proliferative phase of ARDS, why does the body produce dense and fibrous lung tissue?
What is the hallmark sign and symptom of refractory hypoxemia?
What is the hallmark sign and symptom of refractory hypoxemia?
Which condition leads to the formation of a hyaline membrane in the lungs?
Which condition leads to the formation of a hyaline membrane in the lungs?
What is the primary cause of a ventilation-perfusion mismatch in Acute Respiratory Distress Syndrome?
What is the primary cause of a ventilation-perfusion mismatch in Acute Respiratory Distress Syndrome?
How does a decrease in surfactant cells contribute to lung damage in ARDS?
How does a decrease in surfactant cells contribute to lung damage in ARDS?
Which phase of ARDS involves damage to the capillary membrane and the leaking of protein-rich fluids into the interstitium and sac, causing pulmonary edema?
Which phase of ARDS involves damage to the capillary membrane and the leaking of protein-rich fluids into the interstitium and sac, causing pulmonary edema?
What is the primary function of surfactant cells in the lungs during ARDS?
What is the primary function of surfactant cells in the lungs during ARDS?
Which condition is characterized by a decrease in gas exchange due to the collapse of alveolar sacs and low oxygen levels in the blood?
Which condition is characterized by a decrease in gas exchange due to the collapse of alveolar sacs and low oxygen levels in the blood?
In ARDS, what can lead to a ventilation-perfusion mismatch, impacting oxygenation of the blood?
In ARDS, what can lead to a ventilation-perfusion mismatch, impacting oxygenation of the blood?
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