fingerprint review patterns
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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| What are minutiae? | unique features on a fingerprint
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| How many unique features are found on most fingerprints? | about 150
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| List the three main fingerprint patterns or classes | loops, whorls, and arches
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| What are the groups or types of arches? | plain arches and tented arches
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| What are the groups or types of loops? | right slant and left slant loops
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| What are the groups or types of whorls? | central pocket, plain whorl, double loop, accidental
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| What is a delta in a fingerprint? | the place where ridge patterns divide
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| What are the 3 principles of fingerprints? | 1 - fingerprint patterns do not change during a person's lifetime
2 - fingerprints are unique to each person
3 - fingerprints can be put into classes and categorized
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| What percent of fingerprints are loops? | 60 - 65%
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| What percent of fingerprints are whorls? | 30 - 35%
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| What percent of fingerprints are arches? | About 5%
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| What is a latent fingerprint? | Prints invisible to the naked eye made by sweat and oils on the skin
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| What is a visible print? | Prints created by ridges touching a colored material such as blood, paint, grease, or ink
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| What are plastic prints? | Prints left in soft material such as wax, soap, dust.
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| What is the core of a fingerprint? | the center part of a fingerprint pattern
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| What materials make up a fingerprint that has been left on a surface? | water, oils, salts - also known as sweat
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| What is a delta in a fingerprint? | Areas where the ridges run in opposite directions.
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| What are ridges in a fingerprint? | The raised area that leaves a pattern.
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Created by:
lb goodlock
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