Structure of Hair Root Test Notes
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Questions and Answers

Where does hair grow from?

  • The hair root (correct)
  • The outer surface of the skin
  • The hair shaft
  • The hair follicle

    • What is the primary function of hair?

  • To insulate the body from heat and cold (correct)
  • For adornment
  • To biologically inactive the body
  • To protect the head from injury

    • How many hair follicles are present on the human head at birth?

  • 10,000 to 15,000
  • 100,000 to 150,000 (correct)
  • Less than 50,000
  • Over 500,000

    • What is the main role of the dermal papilla in relation to the hair follicle?

    <p>Supplying the hair with oxygen-rich blood and keratin protein cells</p> Signup and view all the answers

    During which phase of the hair growth cycle is the dermal papilla totally inactive?

    <p>Telogen phase</p> Signup and view all the answers

    What function do sebaceous glands serve in relation to the hair follicle?

    <p>Secreting natural oils to condition the hair</p> Signup and view all the answers

    Which type of hair is usually found on the scalp, arms, and legs?

    <p>Terminal hair</p> Signup and view all the answers

    What kind of follicle generally creates wavy to straight hair?

    <p>Oval follicle</p> Signup and view all the answers

    Where is the hair root located in the skin?

    <p>In the dermis</p> Signup and view all the answers

    What is the function of the hair bulb at the base of the hair root?

    <p>Encloses the base of the hair follicle</p> Signup and view all the answers

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