All of the following true of submucous resection operation for DNS except
**Core Concept**
The submucous resection operation is a surgical procedure used to treat **deviated nasal septum (DNS)**. This procedure involves the removal of the nasal septum's cartilaginous and bony portions while preserving the mucous membranes. The goal is to restore normal nasal passage anatomy and function.
**Why the Correct Answer is Right**
Since the question is incomplete, let's discuss the general principles of submucous resection. This operation is typically performed to relieve nasal obstruction caused by a deviated septum. The procedure involves making an incision in the nasal septum, elevating the mucoperichondrial flap, and removing the deviated portion of the septum.
**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific details of option A, we cannot provide a direct explanation for its incorrectness.
**Option B:** Similarly, option B's incorrectness cannot be addressed without knowing its content.
**Option C:** The same applies to option C.
**Option D:** Option D also cannot be evaluated without its specifics.
**Clinical Pearl / High-Yield Fact**
A key point to remember about submucous resection is that it's crucial to preserve the mucous membranes to prevent **nasal septal perforation**, a potential complication of the surgery.
**Correct Answer:** Correct Answer: D. Not enough information provided to complete this section accurately.