**Core Concept**
The elimination half-life of a drug is a critical pharmacokinetic parameter that determines the duration of its action and the frequency of dosing required to maintain therapeutic levels. In the context of antipsychotic medications, a longer elimination half-life can lead to a more stable and sustained therapeutic effect, but also increases the risk of adverse effects and drug interactions.

**Why the Correct Answer is Right**
Clozapine is an atypical antipsychotic medication that is known for its unique pharmacokinetic profile, characterized by a relatively long elimination half-life of approximately 12-30 hours. This is due to its extensive hepatic metabolism, primarily through the cytochrome P450 1A2 (CYP1A2) enzyme, which is responsible for the formation of its primary active metabolite, N-desmethylclozapine. The long elimination half-life of clozapine allows for once-daily dosing and contributes to its efficacy in treatment-resistant schizophrenia.

**Why Each Wrong Option is Incorrect**
**Option A:** Risperidone has a relatively short elimination half-life of around 3-4 hours due to its rapid hepatic metabolism by CYP2D6. This requires more frequent dosing compared to clozapine.
**Option B:** Olanzapine has an intermediate elimination half-life of approximately 21-54 hours, making it less stable than clozapine but still suitable for once-daily dosing.
**Option C:** Quetiapine has a relatively short elimination half-life of around 6 hours, primarily due to its rapid hepatic metabolism by CYP3A4 and CYP2D6.

**Clinical Pearl / High-Yield Fact**
It's essential to note that the long elimination half-life of clozapine requires careful monitoring of blood levels, particularly in patients with renal or hepatic impairment, to prevent toxicity and adverse effects.

**Correct Answer:** C.