**Core Concept**
Ether, also known as diethyl ether, is a volatile anesthetic agent that was one of the first used in medical practice. It works by inducing general anesthesia through the action on the central nervous system.

**Why the Correct Answer is Right**
Ether exerts its anesthetic effect by acting on the gamma-aminobutyric acid (GABA) receptors in the brain, enhancing the activity of GABA, an inhibitory neurotransmitter. This leads to a decrease in neuronal activity, resulting in sedation, hypnosis, and eventually general anesthesia. The mechanism of action involves the binding of ether to the GABA receptor, which increases the frequency of chloride channel opening, and subsequently hyperpolarizes the neuron, reducing neuronal excitability.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because it does not accurately describe the mechanism of action of ether as an anesthetic agent.
**Option B:** This option is incorrect because it is not a relevant or accurate statement about ether's anesthetic properties.
**Option C:** This option is incorrect because it is a characteristic of other anesthetic agents, not ether.

**Clinical Pearl / High-Yield Fact**
Ether was the first anesthetic agent used in medical practice, introduced by William T.G. Morton in 1846, and was widely used until the mid-20th century when it was largely replaced by safer and more effective anesthetic agents.

**Correct Answer:** C.