Fingerprint Lifting

What is a basic technique that uses a fiberous brush?

• Magnetic Powder Application

• Cyanoacrylate Application

• Ninhydrin Application

• Powder Application

How can a fingerprint NOT be cross contaminated with DNA during a powder lift?

• A CSI agent uses the same fiber brush at multiple crime scenes

• A CSI agent uses a gentle air pump to remove any excess powder

• A CSI agent blows the excess powder off with their mouth

• A CSI agent handles the evidence without gloves

Which technique describes a tidy but abrasive powder that uses a wand (not a brush).

• Standard black powder

• Magnetic powder

• Fluorescent powder

• Amido black

Which technique develops purple prints from bloody surfaces surfaces?

• Crystal Violet

• Ninhydrin

• Magnetic Powder

• Cyanoacrylate

Classify the following print from the left hand of a suspect.

• Radial Loop
• Ulnar Loop
• Whorl
• Arch

Fingerprints that are deposited on a surface when oils and sweat are excreted from pores on the friction ridges are called _________ fingerprints.

• latent
• patent
• plastic

Computerized fingerprint data bases, such as AFIS, match fingerprints by comparing .......

• common patterns such as loops, whorls and arches
• scars and other deformities on the print
• positions and types of minutiae such as ridge endings and bifurcations
• none of these

What is the evolutionary purpose of fingerprints?

• for identity
• there is no purpose
• to help grasp objects
• the ridges protect your fingers

When are fingerprints formed?

• When you are a teenager
• During fetal development
• By the time you are two years old
• At birth

Which type of fingerprint cannot be seen  the naked eye?

• patent fingerprint
• latent fingerprint
• visible fingerprint
• plastic fingerprint