Multiple Choice
Which structure protects nerve endings at the ends of fingers and toes?
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5. Integumentary System
Introduction to the Integumentary System
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Which term refers to the permanent dilation of groups of superficial capillaries in the skin?
A
Petechiae
B
Erythema
C
Ecchymosis
D
Telangiectasia
Verified step by step guidance1
Understand the key term 'permanent dilation of groups of superficial capillaries in the skin.' This refers to a condition where small blood vessels near the surface of the skin become permanently widened, often visible as red or purple lines.
Review the definitions of the options provided: Petechiae are small pinpoint hemorrhages under the skin, erythema refers to redness of the skin due to increased blood flow, and ecchymosis is a larger area of bruising caused by blood leaking into tissues.
Focus on the term 'Telangiectasia,' which specifically describes the permanent dilation of superficial capillaries, often appearing as spider veins or threadlike patterns on the skin.
Compare Telangiectasia with the other terms to confirm that it is the only option that matches the description of permanent dilation of superficial capillaries.
Conclude that Telangiectasia is the correct term based on its definition and distinguishing features from the other options provided.
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