Hair Anatomy: Forensic Science Quiz!

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| By Kwchiro
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Quizzes Created: 40 | Total Attempts: 411,894
| Attempts: 3,104 | Questions: 8 | Updated: Mar 22, 2025
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Question 1 / 8
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1. Which portion is the hair shaft?

Explanation

The portion above the skin is the hair shaft.

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About This Quiz
Hair Anatomy: Forensic Science Quiz! - Quiz

Explore the intricacies of hair anatomy relevant to forensic science. This quiz assesses knowledge on DNA presence, hair shaft structure, and keratin presence in various biological structures, enhancing understanding in forensic methodologies.

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2. Which portion of the hair is the shaft?

Explanation

A is the hair shaft. B is the root. C is the follicular tag (skin cells) that is attached to the hair root.

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3. Does this hair have nuclear DNA? If yes, which section(s)?

Explanation

Nuclear DNA will be found when a hair is pulled from the head with skin cells attached (C) -- the follicular tag.

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4. Which portion of the hair shaft is the medulla?

Explanation

The medulla is the inner most portion of the hair shaft. It is NOT present on all human hairs.

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5. Which portion of the hair shaft is the cortex?

Explanation

The cortex is below the cuticle.

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6. Which of these structures are keratin? I: Nails II: Hair III: Feathers

Explanation

Keratin is the main protein in hair. It is also found in nails and bird feathers.

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7. Look at this hair shaft. Which portion is the cuticle?

Explanation

The cuticle is the outer portion of the hair shaft.

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8. Toxicology can determine the drug timeline in hair. If the hair is 7 inches long, how many months can the toxicology evaluate?

Explanation

A hair grows approximately 1/2 inch per month, so if the hair is 7 inches long, that represent 14 months.

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Which portion is the hair shaft?
Which portion of the hair is the shaft?
Does this hair have nuclear DNA? If yes, which section(s)?
Which portion of the hair shaft is the medulla?
Which portion of the hair shaft is the cortex?
Which of these structures are keratin? I: Nails II: Hair III: Feathers
Look at this hair shaft. Which portion is the cuticle?
Toxicology can determine the drug timeline in hair. If the hair is 7...
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