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EC Hair Growth and Follicle Anatomy Flashcards

6 cards from real EC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 EC Hair Growth and Follicle Anatomy flashcards as text

  1. What type of hair is fine, soft, unpigmented, and covers most of the body?

    Answer: Vellus hair

    Vellus hair is the fine, short, lightly pigmented hair that covers most of the body surface.

  2. The arrector pili muscle is responsible for which phenomenon?

    Answer: 'Goosebumps' when hair stands erect

    The arrector pili muscle contracts in response to cold or fear, causing the hair to stand upright and producing goosebumps.

  3. What gives hair its color?

    Answer: Melanin produced by melanocytes in the hair bulb

    Melanocytes located in the hair bulb matrix produce melanin pigment, which determines hair color.

  4. Which type of hair growth pattern describes hair growing from a single follicle opening?

    Answer: Solitary follicle

    A solitary follicle produces one hair per opening, which is the most common pattern on most body areas.

  5. Hypertrichosis refers to which hair condition that an electrologist may be asked to treat?

    Answer: Excessive hair growth beyond what is normal for age, sex, or ethnicity

    Hypertrichosis is a condition characterized by abnormal, excessive hair growth anywhere on the body.

  6. Which term describes the visible portion of the hair that extends above the skin surface?

    Answer: Hair shaft

    The hair shaft is the visible portion of the hair that extends above the skin surface.

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Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. professionals.electrology.com — Test delivery, exam format, passing score, renewal, retake policy, score release, test dates, score validity · verified Oct 2026
  2. prometric.com — Fees · verified Oct 2026