**Core Concept**
Turban epiglottitis is a clinical finding characterized by a mass-like swelling of the epiglottis, often resembling a turban. This condition is associated with a specific infectious agent that causes inflammation and necrosis of the epiglottis.

**Why the Correct Answer is Right**
Turban epiglottitis is typically caused by Corynebacterium diphtheriae, the bacterium responsible for diphtheria. The toxin produced by this bacterium, diphtheria toxin, causes the characteristic swelling and necrosis of the epiglottis. This toxin inhibits protein synthesis by inactivating the elongation factor EF-2, leading to cell death and the formation of a pseudomembrane. The resulting inflammation and swelling of the epiglottis can lead to respiratory obstruction.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify the correct infectious agent responsible for turban epiglottitis.
**Option B:** This option is incorrect because it does not accurately describe the clinical presentation of turban epiglottitis.
**Option C:** This option is incorrect because it does not mention the specific bacterium responsible for the condition.
**Option D:** This option is incorrect because it does not describe the characteristic mass-like swelling of the epiglottis associated with turban epiglottitis.

**Clinical Pearl / High-Yield Fact**
Turban epiglottitis is a medical emergency that requires prompt recognition and treatment to prevent respiratory complications. The condition is often associated with a low-grade fever and a history of exposure to diphtheria.

**Correct Answer: C. Corynebacterium diphtheriae**