Final answer:
Cyanosis is a bluish or purplish skin tone caused by decreased oxygen in the blood, not excess oxygen.
Step-by-step explanation:
False. Cyanosis is actually a skin tone characterized by a bluish or purplish color. It occurs when there is a decrease in the amount of oxygen carried by the blood. When blood is carrying excessive amounts of oxygen, the skin tone appears pink or red.
Learn more about Cyanosis and blood oxygen levels