Latent, patent, and plastic prints

What is the evolutionary purpose of fingerprints?

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

On which of these surfaces could a fingerprint be recovered with superglue fuming?

• glass
• clothing
• paper
• brick

When are fingerprints formed?

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

Used to develop prints using vapors because it sublimes at room temperature.  Not permanent.

• Iodine
• Superglue
• Ninhydrin

Type of fingerprint that is left by a person with soiled or stained fingertips

• plastic
• visible
• latent

Which of the following types of fingerprints are more likely to be found impressed in soft wax? 

• visible
• latent
• hidden 
• plastic

A fingerprint is considered individual evidence.

• False
• True

Which type of fingerprint cannot be seen  the naked eye?

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

Which chemical treatment produces a white-appearing latent print? 

• super glue fuming
• physical developer
• iodine fuming
• ninhydrin

Which chemical produces a brown print that should be photographed because it fades?

• Cyanoacrylate
• Ninhydrin
• Iodine
• Silver Nitrate