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Fingerprint Forensics

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Questions and Answers

What is a fingerprint?

An impression left by the friction ridges of a human finger (correct)

A unique pattern on the skin

A type of DNA

A mark left by a human hand

What makes fingerprints suitable as long-term markers of human identity?

They are detailed, nearly unique, difficult to alter, and durable (correct)

They are always visible

They can be changed over time

They can be easily copied

How can deliberate impressions of entire fingerprints be obtained?

By using a special type of paper

By using a special camera

By scanning the finger

By using ink or other substances transferred from the peaks of friction ridges on the skin to a smooth surface (correct)

What parts of the fingers do fingerprint records normally contain impressions from?

The pad on the last joint of fingers and thumbs Signup and view all the answers

Why might authorities employ fingerprints?

To identify individuals who wish to conceal their identity or to identify incapacitated or deceased people Signup and view all the answers

What substance can result in fingerprints on surfaces like glass or metal?

Moisture and grease Signup and view all the answers

In forensic science, what is the significance of recovering partial fingerprints from a crime scene?

It is an important method of identifying the suspect Signup and view all the answers

Where are deliberate impressions of entire fingerprints obtained from?

From the peaks of friction ridges on the skin Signup and view all the answers

What parts of the fingers do fingerprint cards typically record?

Portions of lower joint areas of the fingers Signup and view all the answers

How can fingerprints be used to identify individuals?

By matching them with a database of known fingerprints Signup and view all the answers