hair review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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List 3 ways to collect hair from a crime scene. | (1) picking up each shaft with tweezers, (2) lifting with tape or lint roller, (3) collecting with a vacuum
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Name the three layers of a shaft of hair. | cuticle, cortex, medulla
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List the 3 cuticle patterns. | Coronal, spinous, imbricate
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Which layer is on the outside of the hair? | Cuticle
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Which layer is in the center of the hair? | Medulla
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List the 4 medulla patterns. | continuous, fragmented, interrupted, absent
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The scales on the cuticle overlap in which direction? | toward the tip
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Which medulla pattern is one solid line in the hair? | continuous
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Which medulla pattern is broken into sections of equal or almost equal lengths? | interrupted
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Which medulla pattern is not present at all? | absent
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Which medulla pattern is broken into sections of different lengths? | fragmented
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Which term describes the part of the skin where the hair grows? | follicle
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Which term describes the part of hair growing under the skin? | root
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List the 4 functions of hair. | keep the body warm, decrease friction, protects skin from sunlight, is a sense organ
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What is medullary index? | the diameter of the medulla compared to the diameter of the entire hair
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Who has a thicker medulla, animals or humans? | animals have a thicker medulla
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
lb goodlock
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