Known Prints (Tenprints)
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Fingerprint
Each person has distinctive skin features that set him apart from all other people in the world that are on the palm of their hands and on the soles of their feet. These features are seen in the skin of the friction ridge, which when in contact with an object leaves an imprint of its structures. Fingerprints are the marks left by the outermost finger joint. Fingerprint recognition is an essential and important tool in forensic science nowadays. Read following articles to know more about it.
Objectives on Fingerprints
Multiple Choice Questions on Fingerprint
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Forensic Science – Multiple Choice Questions (Fingerprint)
Multiple Choice Questions (Fingerprint)
V.) Fingerprints on plastic metal, glass and skin can be placed in a developing jar with this chemical that reacts with amino acids to make the print appear white.
1.) Silver nitrate
2.) Ninhydrin
3.) Iodine fuming
4.) Cyanoacrylate
VI.) The skin layer between the epidermis and dermis is the _________ layer.
1.) Cuticle
2.) Subcutaneous
3.) Basal
4.) Top
VII.) Sweat glands near the hair follicle:
……Answer
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Fingerprints
There are three distinct types of fingerprint impressions that can be recovered from a crime scene or a scene of interest for investigators:
PATENT PRINTS – are visible prints that occur when a foreign substance on the skin of a finger comes in contact with the smooth surface of another object.
PLASTIC PRINTS – are visible, impressed prints that occur when a finger touches a soft, malleable surface resulting in an indentation.
LATENT PRINTS – are fingerprint impressions secreted in a surface or an object and are usually invisible to the naked eye….Read More….
Methods Of Latent Fingerprint Developement
Crime Scene Investigators Often Follow A Two-phase Process When Searching For Fingerprints.
First They Look For Patent And
Plastic Prints Since They Are Visible. Often Times, A Flashlight Is Used During This Phase.
The Second Phase Involves A Blind
Search For Latent Prints.
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