When Exposed to the Cold, the Ears and Nose May

question 16

Multiple Choice

When exposed to the cold, the ears and nose may appear red. This is because

• A) blood vessels in the nose and ears have constricted to conserve heat.
• B) cyanosis occurs when blood flow slows down.
• C) the nose and ears have a thicker, more keratinized stratum corneum than the rest of the face.
• D) cold causes an inflammatory reaction in the nose and ears.
• E) blood vessels dilate to prevent tissue damage from the cold.