Hair Anatomy: Forensic Science Quiz!
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Which portion is the hair shaft?
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A
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B
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D
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F
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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?
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A is the hair shaft
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B is the hair shaft
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C is the hair shaft
Correct Answer
A. A is the hair shaftExplanation
A is the hair shaft. B is the root. C is the follicular tag (skin cells) that is attached to the hair root.Rate this question:
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- 3.
Does this hair have nuclear DNA? If yes, which section(s)?
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Yes, it has nuclear DNA in A, B and C
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Yes, it has nuclear DNA in A.
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Yes, it has nuclear DNA in B
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Yes, it has nuclear DNA in C
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No, it does not have nuclear DNA
Correct Answer
A. Yes, it has nuclear DNA in CExplanation
Nuclear DNA will be found when a hair is pulled from the head with skin cells attached (C) -- the follicular tag.Rate this question:
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- 4.
Which portion of the hair shaft is the medulla?
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A
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B
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C
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D
Correct Answer
A. CExplanation
The medulla is the inner most portion of the hair shaft. It is NOT present on all human hairs.Rate this question:
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- 5.
Which portion of the hair shaft is the cortex?
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A
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B
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C
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D
Correct Answer
A. BExplanation
The cortex is below the cuticle.Rate this question:
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- 6.
Which of these structures are keratin? I: Nails II: Hair III: Feathers
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I, only
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II, only
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I and II, only
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I, II and III
Correct Answer
A. I, II and IIIExplanation
Keratin is the main protein in hair. It is also found in nails and bird feathers.Rate this question:
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- 7.
Look at this hair shaft. Which portion is the cuticle?
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A
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B
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C
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D
Correct Answer
A. AExplanation
The cuticle is the outer portion of the hair shaft.Rate this question:
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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?
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7 months
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3 1/2 months
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14 months
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7 years
Correct Answer
A. 14 monthsExplanation
A hair grows approximately 1/2 inch per month, so if the hair is 7 inches long, that represent 14 months.Rate this question:
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Quiz Review Timeline (Updated): Mar 22, 2023 +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 22, 2023Quiz Edited by
ProProfs Editorial Team -
Jun 17, 2018Quiz Created by
Kwchiro
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