## **Core Concept**
Weber's test is a clinical test used to assess lateralization of sound in patients with hearing loss. It involves placing a vibrating tuning fork on the midline of the skull. The test helps differentiate between conductive and sensorineural hearing loss.

## **Why the Correct Answer is Right**
In a patient with right middle ear pathology, such as otosclerosis or a perforated eardrum, the condition affects the conduction of sound through the middle ear. When performing Weber's test, the sound lateralizes to the affected ear because bone-conducted sound is perceived as louder in the ear with conductive hearing loss. This is due to the fact that air-conducted sound is reduced in the affected ear, making the bone-conducted sound seem louder by comparison.

## **Why Each Wrong Option is Incorrect**
- **Option A:** Incorrect because if the sound lateralized to the left ear, it would indicate either left conductive hearing loss or right sensorineural hearing loss.
- **Option B:** Incorrect because if the sound was equal in both ears, it might suggest bilateral sensorineural hearing loss or normal hearing, not a conductive issue in one ear.
- **Option D:** Incorrect because lateralization to the opposite ear (left) would indicate a sensorineural hearing loss in the right ear, not a conductive issue.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that in **conductive hearing loss**, Weber's test lateralizes to the **affected ear**, while in **sensorineural hearing loss**, it lateralizes to the **better ear**. This principle helps in localizing the site of lesion and type of hearing loss.

## **Correct Answer:** . Lateralized to the right ear.