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Cornell Notes Chapter 7: Hair and Nails

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Questions and Answers

What is the primary function of the nail plate?

To regulate body temperature

To protect the digits (correct)

To enhance sensations

To act as a tool

What is the composition of the nail plate?

Mainly made of collagen

Mainly made of keratin (correct)

Mainly made of calcium

Mainly made of melanin

What is the location of the hyponychium?

Medial to the nail plate

Lateral to the nail plate

Distal to the nail plate (correct)

Proximal to the nail plate

What is the function of the proximal nail fold?

To protect the nail matrix from trauma Signup and view all the answers

What grows from the proximal nail bed and adheres to the nail plate?

Cuticle Signup and view all the answers

What is the visible portion of the distal nail matrix?

Lunula Signup and view all the answers

Where is the proximal nail matrix located?

Deep to the proximal nail fold and nail plate Signup and view all the answers

What is the function of the nail matrix?

To produce the nail plate Signup and view all the answers

What is the location of the proximal nail matrix in relation to the distal interphalangeal joint?

About halfway between the distal interphalangeal joint and the proximal nail fold Signup and view all the answers

What is the nail bed attached to?

The ventral surface of the nail plate Signup and view all the answers