Which of the following statements regarding carbon monoxide (CO) poisoning is correct?
A) Never rule out CO poisoning because of the absence of cherry red skin.
B) The most common symptom of CO poisoning is chest pressure.
C) CO results in systemic hypoxia by disintegrating red blood cells.
D) Hyperbaric therapy is beneficial only if CO levels are above 40%.
Answer: A) Never rule out CO poisoning because of the absence of cherry red skin.
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