**Core Concept**
Tetanus is a neurological disorder caused by the bacterium *Clostridium tetani*, characterized by muscle stiffness and spasms. The bacterium produces tetanospasmin, a potent neurotoxin that inhibits the release of neurotransmitters. This toxin affects the nervous system, leading to the clinical manifestations of tetanus.

**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss the general pathophysiology of tetanus. Tetanospasmin binds to gangliosides on the presynaptic terminals of neurons, preventing the release of glycine and GABA, which are inhibitory neurotransmitters. This leads to an increase in muscle tone and spasms.

**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific details of option A, we cannot determine why it is incorrect.
**Option B:** Similarly, option B's incorrectness cannot be assessed without its content.
**Option C:** The same applies to option C.
**Option D:** Option D's incorrectness is also unknown.

**Clinical Pearl / High-Yield Fact**
A key point to remember about tetanus is that it is preventable through vaccination, and wounds should be promptly cleaned and tetanus prophylaxis administered if necessary.

**Correct Answer:**