Unit 3 | Exam

Front

What is a Delta in fingerprint analysis?

Back

A Delta is a triangular region in a fingerprint pattern where ridge lines diverge.

Front

How many Deltas does an Arch fingerprint pattern have?

Back

0 Deltas.

Front

How many Deltas does a Loop fingerprint pattern have?

Back

1 Delta.

Front

How many Deltas does a Whorl fingerprint pattern have?

Back

2 Deltas.

Front

What type of fingerprint pattern has two loops?

Back

Double Loop Whorl.

Front

What is a Radial Loop?

Back

A loop that opens toward the thumb on the left hand.

Front

What is a Ulnar Loop?

Back

A loop that opens toward the little finger.

Front

What is the defining characteristic of a Central Pocket Whorl?

Back

It has two deltas and a core, with ridges that make a circular pattern.

Front

What is the difference between a Tented Loop and a Plain Loop?

Back

A Tented Loop has a sharp upward thrust in the center, while a Plain Loop has a smooth, continuous flow.

Front

What is the significance of ridge counts in fingerprint analysis?

Back

Ridge counts help in identifying and comparing fingerprint patterns.