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Nail Theory Quiz Flashcards
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Nail Theory Quiz Flashcards

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Questions and Answers

What is the average growth rate of nails in adults?

1/8" (.3cm) per month

What is the primary purpose of a free edge?

To protect the tip of the finger and/or toe

What is the thickening of the nail plate and/or abnormal outgrowth of the nail?

Onychauxis

Pterygium of the nail can occur at either the hyponychium or at the?

<p>Eponychium</p> Signup and view all the answers

Another term for tinea pedis is?

<p>Athlete's foot</p> Signup and view all the answers

The active tissue that generates cells which harden as they move outwards to form the nail plate is called the nail?

<p>Matrix</p> Signup and view all the answers

What part of the nail contains lymph, blood vessels, and nerves that create cells?

<p>The matrix</p> Signup and view all the answers

What is the pocket-like structure that holds the root and matrix of the nail?

<p>The mantle</p> Signup and view all the answers

Uneven growth of a nail may cause?

<p>Wavy ridges</p> Signup and view all the answers

The study of the structure and growth of the nails is called?

<p>Onychology</p> Signup and view all the answers

Systemic or long-term illness or nerve disturbance can cause kolionychia, also known as?

<p>Spoon nails</p> Signup and view all the answers

Onychorrhexis is a term indicating the nail condition called?

<p>Split or brittle nails</p> Signup and view all the answers

Another term for bitten nails is?

<p>Onychophagy</p> Signup and view all the answers

What are the normal growth circumstances for a new fingernail?

<p>4-6 months</p> Signup and view all the answers

What is the living tissue that overlies the nail plate on the sides of the nail?

<p>Perionychium</p> Signup and view all the answers

The nail disease referred to as ringworm of the nail is?

<p>Onychomycosis</p> Signup and view all the answers

Another name for split or brittle nails is?

<p>Onychorrhexis</p> Signup and view all the answers

The nail bed is attached to the bone by specialized?

<p>Ligaments</p> Signup and view all the answers

What condition can result when the cuticle becomes overly dry and splits?

<p>A hangnail</p> Signup and view all the answers

Onychoptosis refers to?

<p>Shedding or falling off of nails</p> Signup and view all the answers

The living tissue under the free edge of the nail is the?

<p>Hyponychium</p> Signup and view all the answers

The nail plate rests on which area of the nail?

<p>Nail bed</p> Signup and view all the answers

The part of the nail plate that extends beyond the end of the finger is called the?

<p>Free edge</p> Signup and view all the answers

The live tissue at the base of the nail is called the?

<p>Eponychium</p> Signup and view all the answers

Indented vertical lines down the nail plate that may be caused by illness or injury are called?

<p>Furrows</p> Signup and view all the answers

Study Notes

Nail Growth and Anatomy

  • Average nail growth rate in adults is 1/8 inch (0.3 cm) per month.
  • New fingernails typically grow within 4-6 months.
  • The nail matrix generates cells that form the nail plate and contains essential lymph, blood vessels, and nerves.
  • The free edge protects the fingertip or toe tip.
  • The mantle is a pocket-like structure that holds the root and matrix of the nail.
  • The nail bed, where the nail plate rests, is attached to the bone via specialized ligaments.

Nail Conditions and Abnormalities

  • Onychauxis refers to the thickening or abnormal outgrowth of the nail.
  • Pterygium can occur at the eponychium or hyponychium.
  • Wavy ridges on nails may indicate uneven nail growth.
  • Onychorrhexis indicates split or brittle nails, commonly known as onychorrhexis.
  • Shedding or falling off of nails is termed onychoptosis.
  • A hangnail occurs when cuticles become overly dry and split.
  • Indented vertical lines in the nail plate are called furrows and may result from illness or injury.

Medical Terms and Nail Diseases

  • Spoon nails are a result of systemic illness or nerve disturbance, known as kolionychia.
  • Onychomycosis is the ringworm infection of the nail.
  • Tinea pedis is another name for athlete's foot.
  • Onychophagy refers to the condition of bitten nails.
  • The hyponychium is the living tissue under the free edge of the nail.
  • The perionychium refers to the living tissue that overlaps the nail plate on the sides.
  • The eponychium is the live tissue at the base of the nail.

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Description

Test your knowledge on nail theory with these flashcards! This quiz covers essential concepts like nail growth rates, free edge functions, and conditions affecting nails. Perfect for beauty students or nail technicians looking to reinforce their understanding.

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