Which of the following ear ossicle is 1st to get affected otitis media:
**Core Concept**
The middle ear ossicles are responsible for transmitting sound vibrations from the eardrum to the inner ear. Otitis media, an infection of the middle ear, can lead to damage or fixation of these ossicles, affecting hearing.
**Why the Correct Answer is Right**
The malleus is the first ossicle to be affected in otitis media due to its direct connection to the eardrum. The malleus is anchored to the eardrum by a small ligament, and its head is connected to the incus. As fluid accumulates in the middle ear during otitis media, the eardrum becomes detached from the malleus, leading to fixation and dysfunction of the malleus.
**Why Each Wrong Option is Incorrect**
**Option A:** The incus is connected to the malleus, but it is not the first ossicle to be affected in otitis media.
**Option B:** The stapes is the smallest ossicle and is located closest to the inner ear, but it is not the first to be affected in otitis media.
**Option C:** The tympanic membrane is not an ossicle, but rather the eardrum that transmits sound vibrations to the ossicles.
**Clinical Pearl / High-Yield Fact**
In cases of chronic otitis media, the malleus can become permanently fixed to the eardrum, leading to conductive hearing loss. This is a classic exam trap that can be remembered using the mnemonic "Malleus First, Incus Next, Stapes Last" (MFINS).
**Correct Answer:** . Malleus.