Atelactasis,Edema, and Lung Injury

Question 1

What are the types of classification of lung diseases?

Answer 1

Obstructive lung disorders(of gas exchange)
Restrictive lung disorders (of gas exchange)
Vascular Lung diseases
Infectious and Inflammatory diseases
Neoplasia

Question 2

Can the cytoplasm of the alveolar type I epithelial cells be distinguished from endothelial cells of the capillaries present within the alveolar walls?

Answer 2

No, it can not be distinguished

Question 3

Acute Lung Injury (ALI)

What is it?

Answer 3

-also called non cardiogenic pulmonary edema
-abrupt onset of hypoxemia(low oxygen levels in blood) and bilateral pulmonary infiltrates in the absence of cardiac failure

Question 4

Acute Respiratory Distress Syndrome(ARDS)

What is it?

Answer 4

is a more severe manifestation of ALI

Question 5

Are ALI and ARDS, associated with inflammation?

Answer 5

Yes.
They can produce:
-Edema
-Epithelial cell death
-Increase pulmonary vascular permeability

Question 6

What is the histological manifestation of the lung disorders ALI and ARDS?

Answer 6

Diffuse alveolar damage (DAD)

Question 7

ALI is a well-recognized complication among diverse conditions, including?

Answer 7

direct injuries to the lungs or systemic disorders that reach the lungs

Question 8

How is the Pathogenesis of the ALI/ARDS initiated?

Answer 8

by having an injury in the pneumocysts or in the pulmonary endothelium
thus…
increasing inflammation and pulmonary damage