Multiple Choice
A dermal papilla is composed of which of the following?
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5. Integumentary System
Introduction to the Integumentary System
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Which structure protects nerve endings at the ends of fingers and toes?
A
Muscle
B
Joints
C
Hair
D
Nails
Verified step by step guidance1
Understand the anatomy of the fingers and toes: Nerve endings are located at the tips of fingers and toes, which are sensitive to touch and pressure.
Recognize the protective structures: Nails are hard, keratinized structures that cover the dorsal surface of the distal phalanges (the tips of fingers and toes). They serve as a protective barrier.
Analyze the function of nails: Nails protect the underlying soft tissue, including nerve endings, from physical damage, trauma, and environmental factors.
Compare the other options: Muscles are responsible for movement, joints allow flexibility and motion, and hair provides sensory input but does not protect nerve endings at the fingertips or toes.
Conclude that nails are the correct answer because they specifically shield the nerve endings at the ends of fingers and toes from external harm.
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