Respiratory Distress Syndrome Overview

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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?

Alkalosis

Acidosis

Hypoxemia (correct)

Hypercapnia

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?

To absorb fluid in the alveoli sac Signup and view all the answers

What is the hallmark sign and symptom of refractory hypoxemia?

Persistent low oxygen saturation despite high levels of oxygen Signup and view all the answers

Which condition leads to the formation of a hyaline membrane in the lungs?

Decrease in surfactant cells Signup and view all the answers

What is the primary cause of a ventilation-perfusion mismatch in Acute Respiratory Distress Syndrome?

Presence of fluid in the alveoli sac Signup and view all the answers

How does a decrease in surfactant cells contribute to lung damage in ARDS?

Leads to stiffening and collapse of alveoli Signup and view all the answers

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?

Exudative Signup and view all the answers

What is the primary function of surfactant cells in the lungs during ARDS?

Reduce surface tension Signup and view all the answers

Which condition is characterized by a decrease in gas exchange due to the collapse of alveolar sacs and low oxygen levels in the blood?

Hyaline membrane disease Signup and view all the answers

In ARDS, what can lead to a ventilation-perfusion mismatch, impacting oxygenation of the blood?

Altered blood flow to ventilated areas Signup and view all the answers

Respiratory Distress Syndrome Overview

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Questions and Answers

What is the primary role of surfactant cells in the lungs?

In Acute Respiratory Distress Syndrome (ARDS), what is the hallmark feature associated with the presence of a hyaline membrane?

What is the consequence of a VQ mismatch in the lungs?

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?

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?

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?

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?

In ARDS, what can lead to a ventilation-perfusion mismatch, impacting oxygenation of the blood?

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