Criminalistics Study Set 1

Criminal Justice

Quiz 11 :

Hairs and Fibers

Quiz 11 :

Hairs and Fibers

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The medullary index of human hair is ________ the medullary index for most other animals.
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Answer:

B

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Pigment granules that impart hair with color are found in the:
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Answer:

A

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The number of hair scales pointing towards the tip of the hair is ________ the number of hair scales pointing towards the hair follicle.
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Answer:

C

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Which of the following is NOT a layer of the hair shaft?
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Medullae may be classified as being:
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Which part of the hair shaft is most resistant to chemical decomposition?
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Which race is most likely to have head hair with continuous medullae?
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The central canal running through many hairs is known as the:
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Which feature of hair is MOST important in making a species identification?
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In determining whether a hair sample originated from a male or a female, the MOST important consideration is:
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Describe the process of floatation and explain what it is used for.
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What is a physical property? What is a chemical property? Name one physical and chemical property of water.
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A storefront window is broken and a robbery committed. A suspect is later found running from the scene. Examination of his shoes reveals glass particles embedded in a heel. Describe the proper collection and preservation of glass evidence for laboratory examination.
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What physical properties are used most often to characterize glass particles? What is the main drawback of using these properties to characterize glass?
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A criminalist is attempting to find the side of a glass pane from which a shattering force originated. How can that be determined when examining a fragment from a radial crack? A concentric crack?
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What two models do scientists use to explain the nature of light? Under what conditions does each model best describe the behavior of light?
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A human hair in cross-section appeared flat in shape. The racial origin was most likely:
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A cast of a hair surface can be made using:
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Beard hairs are coarse and normally ________ in cross-section.
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What is refraction? How does the refractive index of a medium affect what the viewer observes when looking at the medium?
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