Understanding Fingerprints and Their Types

Which of the following statements is true about fingerprints?

• Your fingerprints are unique to you, but they are the same on all your fingers

• Identical twins share some or most of the same prints

• Whorls are the most common fingerprint characteristic

• There are three characteristics: loops, arches, and whorls

The raised lines of your fingerprints are called _____ and the valleys are called _____.

• furrows, ridges

• ridges, furrows

• tents, plains

• hills, valleys

What is the difference between radial and ulnar loops?

• Radial loops point toward the head (radial region) and ulnar loops toward the feet (ulnar region)

• Radial loops point right and ulnar loops point left

• Radial loops point toward the thumb (radius bone) and ulnar loops toward the pinky (ulna bone)

• Radial loops point toward the pinky (radius bone) and ulnar loops toward the thumb (ulna bone)

The least common fingerprint characteristic is _____.

• loops

• whorls

• ridges

• arches

The different types of whorls are _____.

• arch, whorl, loop, ridge

• plain, pocket loop, double loop, and accidental loop

• double loop, plain, tented, ridge, and furrow

• radial, ulnar, lunar, solar