During hypoxemia, the mucous membranes of the ____ are often the first areas to become cyanotic.

Name: During hypoxemia, the mucous membranes of the ____ are often the first areas to become cyanotic.
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Lips and tongue have a high concentration of blood vessels and are very sensitive to changes in oxygen saturation, making them the first to show signs of cyanosis during hypoxemia. The other options, such as the nose, eyes, and ears, may show cyanosis later on in the progression of hypoxemia.

During Hypoxemia, the Mucous Membranes of the ____ Are Often