This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Forensic Toxicology - Concepts, Statutes, Evidence, and Techniques, Subject name: Forensic Medicine
Post mortem staining of carbon monoxide poisoning is? 
Select and explain. 
A. Deep blue, B. Bark brown, C. Bright red, D. Cherry red
D: Cherry red
Answer: D: Cherry red 
Explanation: ANSWER: (D) Cherry redREF: Medical toxicology by Richard C. Dart Page 386; Parikh 6th Edition page 8.40, 3.10 Postmortem staining:PoisoningStainingCarbon monoxideCherry redCyanideBright red/pinkBurnsBright redPhosphorousDark brownNitratesRed brown/brownH2SBluish greenOpiumBlackAnilineDeep blueAsphyxiaPurple/bluish violetSeptic abortionGreenish brownChloratesChocolate brown