## **Core Concept**
The question tests knowledge of lung pathology, specifically conditions affecting the alveolar walls. Hyaline deposits in alveolar walls are characteristic of certain lung diseases. Understanding the specific conditions associated with such histopathological findings is crucial.
## **Why the Correct Answer is Right**
Hyaline membrane disease, also known as respiratory distress syndrome (RDS), is characterized by the presence of hyaline deposits in the alveolar walls. This condition primarily affects premature infants due to the lack of surfactant production in the immature lungs. The hyaline membranes are composed of fibrin, cellular debris, and proteins that accumulate in the alveoli, leading to impaired gas exchange.
## **Why Each Wrong Option is Incorrect**
- **Option A:** This option is incorrect because it does not correspond to a condition known for hyaline deposits in alveolar walls. Without the specific text of the options, it's inferred based on the correct answer provided.
- **Option B:** Similarly, this option is incorrect as it does not match the condition characterized by hyaline deposits.
- **Option C:** This is also incorrect for the same reason; it does not describe the condition with hyaline deposits in alveolar walls.
## **Clinical Pearl / High-Yield Fact**
A key clinical pearl is that hyaline membrane disease (RDS) is a leading cause of morbidity and mortality in premature infants. The condition can be managed with surfactant replacement therapy, which significantly improves outcomes. Early diagnosis and intervention are critical.
## **Correct Answer:** D. Hyaline membrane disease.
Free Medical MCQs Β· NEET PG Β· USMLE Β· AIIMS
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