True statement regarding Halothane is
**Core Concept**
Halothane is a potent inhalational anesthetic agent that has been widely used for general anesthesia. Its pharmacological properties, particularly its metabolism and potential for hepatotoxicity, are critical aspects of its clinical use.
**Why the Correct Answer is Right**
Halothane undergoes extensive hepatic metabolism, primarily through the cytochrome P450 enzyme system. This metabolism can lead to the formation of toxic metabolites, such as trifluoroacetic acid and trichloroethanol, which can cause liver injury. The most notable example of this is halothane hepatitis, a rare but severe form of hepatitis that can occur after exposure to halothane. The risk of halothane hepatitis is increased in patients who have undergone previous exposure to halothane, suggesting an immune-mediated mechanism.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not specify the correct relationship between halothane and its metabolism.
**Option B:** This option is incorrect because it does not accurately describe the mechanism of halothane-induced hepatotoxicity.
**Option C:** This option is incorrect because it does not provide a clear statement regarding halothane.
**Clinical Pearl / High-Yield Fact**
Halothane hepatitis is a rare but severe form of hepatitis that can occur after exposure to halothane. Patients who have undergone previous exposure to halothane are at increased risk of developing this condition.
**Correct Answer:** A. Halothane undergoes extensive hepatic metabolism, primarily through the cytochrome P450 enzyme system, which can lead to the formation of toxic metabolites and increase the risk of hepatotoxicity.