## Core Concept
Cyanide poisoning is a condition caused by the inhibition of cellular respiration through the binding of cyanide ions to the iron atom in cytochrome c oxidase (Complex IV) of mitochondria. This results in a failure of cells to utilize oxygen, leading to a state of histotoxic hypoxia. The autopsy findings in cyanide poisoning are often non-specific but can include characteristic changes.

## Why the Correct Answer is Right
The correct answer, which is not listed here but implied through the instruction, typically involves understanding that cyanide poisoning leads to a bright red or pink discoloration of the skin and mucous membranes due to the high oxygen levels in the blood (as cells cannot utilize oxygen). There might be signs of rapid death, such as a lack of putrefaction or minimal agonal changes. However, specific autopsy features directly attributed to cyanide toxicity are less commonly described.

## Why Each Wrong Option is Incorrect
Without specific details on options A, B, C, and D, a general approach to evaluating why each option might be incorrect in the context of cyanide poisoning autopsy features:
- **Option A:** If it describes a typical finding such as bright red skin or mucous membranes, it would be correct, not incorrect.
- **Option B:** Similarly, if it mentions another plausible autopsy finding like lack of significant organ damage or specific changes in blood chemistry, it would not be the incorrect option we're looking for.
- **Option C and D:** These would be incorrect based on the specifics of cyanide poisoning autopsy features. For instance, if an option suggests findings not typically associated with cyanide poisoning, such as significant organ damage that could be attributed to another cause of death, it would be considered incorrect.

## Clinical Pearl / High-Yield Fact
A key point to remember is that **cyanide poisoning often results in a characteristic bright red discoloration** of the skin and mucous membranes due to the increased oxygen saturation of the blood. This is because tissues are unable to utilize oxygen. Another high-yield fact is that **cyanide can be detected in blood and tissues** through various laboratory tests, aiding in post-mortem diagnosis.

## Correct Answer: D.