Okay, let's tackle this question. The child has recurrent respiratory infections, mouth breathing, and decreased hearing. Hmm. Recurrent RTIs could be due to several things. Mouth breathing makes me think of nasal obstruction. Maybe something like adenoid hypertrophy? Because if the adenoids are big, the kid can't breathe through the nose, so they breathe through their mouth. And decreased hearing might be related to Eustachian tube dysfunction, which can cause otitis media with effusion, leading to conductive hearing loss.

So the treatment would be addressing the adenoid issue. Adenoidectomy is a common treatment for this. Let me check the options. If the correct answer is adenoidectomy, then the other options might be things like antibiotics, nasal corticosteroids, or maybe tonsillectomy. Wait, but the question mentions the treatment of choice. Adenoidectomy is definitely the go-to for chronic issues like this.

Why are the other options wrong? Let's see. If one of the options is nasal decongestants, those are temporary and don't address the underlying obstruction. Antibiotics would be for acute infections, not chronic. Tonsillectomy alone might not help if the main issue is the adenoids. Also, maybe there's an option for myringotomy, which is for ear fluid, but the primary problem here is the adenoids causing both the breathing and ear issues.

Clinical pearl: Adenoidectomy is a high-yield point for these symptoms in children. Remember the triad: recurrent infections, mouth breathing, and hearing loss. The exam often tests this combo. So the correct answer is adenoidectomy.

**Core Concept**
This question assesses the management of **adenoid hypertrophy**, a common cause of **obstructive sleep apnea, mouth breathing, and Eustachian tube dysfunction** in children. Adenoids, when enlarged, obstruct nasal airflow and impair Eustachian tube function, leading to **otitis media with effusion** (OME) and conductive hearing loss.

**Why the Correct Answer is Right**
**Adenoidectomy** is the treatment of choice for symptomatic adenoid hypertrophy. Removing the adenoids alleviates nasal obstruction, restores normal breathing, and improves Eustachian tube function, resolving OME and hearing impairment. This is particularly indicated when symptoms are chronic or recurrent despite medical therapy. The procedure is supported by strong evidence in pediatric otolaryngology guidelines.

**Why Each Wrong Option is Incorrect**
**Option A:** *Nasal decongestants* provide temporary relief but do not address the underlying obstruction caused by enlarged adenoids.
**Option B:** *Antibiotics* are ineffective for non-infectious adenoid hypertrophy and do not resolve structural obstruction.
**Option C:** *Tonsillectomy* alone is irrelevant unless tonsillar hypertrophy is the primary issue; this question focuses on adenoids.
**Option D:** *Myringotomy* treats OME but does not address the root cause (adenoid obstruction) and may require repeated interventions without adenoidectomy.

**Clinical Pearl / High-Yield Fact**
**Adenoidectomy** is a high-yield exam topic: remember the **triad** of symptoms—**recurrent URTIs, mouth breathing, and hearing loss**. Distinguish it

✓ Correct Answer: B. Adenoidectomy