## Core Concept
The Hering-Breuer inflation reflex is a physiological response to lung inflation that helps regulate breathing. It is mediated by stretch receptors in the lungs and plays a crucial role in preventing overinflation of the lungs. This reflex is essential for maintaining normal respiratory function.
## Why the Correct Answer is Right
The Hering-Breuer inflation reflex is characterized by the activation of stretch receptors in the lungs in response to inflation. When the lungs are inflated, these receptors are stimulated, sending signals to the brainstem, which then inhibits further inspiration, leading to expiration. This reflex helps prevent overinflation and maintains lung volume within a safe range.
## Why Each Wrong Option is Incorrect
- **Option A:** This option is not provided, so we cannot assess its accuracy directly.
- **Option B:** Similarly, without the content of Option B, we cannot directly evaluate its correctness.
- **Option C:** Without specific details on Option C, it's challenging to explain why it would be incorrect.
- **Option D:** This option is stated as the correct answer but without context, we can't directly refute the other options.
## Clinical Pearl / High-Yield Fact
A key point to remember is that the Hering-Breuer inflation reflex is crucial in newborns and infants, as it helps regulate their breathing pattern. In adults, this reflex is less prominent but can be observed under certain conditions, such as during mechanical ventilation.
## Correct Answer: D.
Free Medical MCQs Β· NEET PG Β· USMLE Β· AIIMS
Access thousands of free MCQs, ebooks and daily exams.
By signing in you agree to our Privacy Policy.