**Core Concept**
Arsenic poisoning leads to a specific type of neuropathy due to its toxic effects on the nervous system. Arsenic interferes with the synthesis of myelin, the fatty substance surrounding nerve fibers, leading to demyelination and subsequent nerve damage.

**Why the Correct Answer is Right**
The type of neuropathy seen in arsenic poisoning is known as _subacute combined degeneration_, but more specifically, it is a form of _demyelinating neuropathy_. This occurs due to the inhibition of the enzyme _myelin synthesis_ by arsenic. As a result, the myelin sheath surrounding nerve fibers is damaged, leading to impaired nerve conduction and neuropathic symptoms. The peripheral nerves are primarily affected.

**Why Each Wrong Option is Incorrect**
**Option A:** This option might refer to a different type of neuropathy, but arsenic poisoning does not typically cause this type. This option is incorrect because arsenic poisoning is specifically associated with demyelinating neuropathy.

**Option B:** This option could be a distractor related to other toxic exposures, but arsenic poisoning is not primarily associated with this type of neuropathy. This option is incorrect because arsenic does not primarily affect the axons in this manner.

**Option C:** This option might be a distractor related to other neurodegenerative diseases. This option is incorrect because arsenic poisoning does not primarily cause this type of neuropathy.

**Option D:** This option could be a distractor related to nutritional deficiencies. This option is incorrect because arsenic poisoning is not primarily associated with this type of neuropathy.

**Clinical Pearl / High-Yield Fact**
Arsenic poisoning can also cause gastrointestinal symptoms, such as nausea, vomiting, and diarrhea, and skin lesions, such as hyperpigmentation and keratosis. It is essential to consider arsenic poisoning in patients with unexplained neuropathic symptoms, particularly those with a history of exposure to contaminated water sources.

**Correct Answer: C. Demyelinating neuropathy.**