Fingerprint Evidence: Classifying Fingerprints

________ is a ridge line that comes in form one side, goes up in the middle, and leaves on the other side.

________ is a ridge line that comes in from one side, goes up, around, and back out the same side.

_________ is a ridge line that makes a complete circle.

Which arch lines come in from one side and goes out the other and in the middle, they rise to a point?

• plain arch

• tented arch

True or False: Loops can face either direction.

• True

• False

If you have a loop on your fingerprint opening towards the pinky on your right hand, what is it called?

• radial loop

• tented loop

• ulnar loop

• plain loop

On the left hand, you have a loop that opens toward your thumb. What is that loop called?

• ulna loop

• plain loop

• tented loop

• radial loop

How many deltas are in a whorl?

• 0

• 1

• 2

• 3

If the line between the deltas does NOT cut though the ridge line circles, what kind of whorl is it?

• Double Loop Whorl

• Plain Whorl

• Central Pocket Whorl

• Arch Whorl

IF a fingerprint has two deltas and ridge lines come in, go around, double back , and out the same side again, what kind of print is it?

• Tented Arch

• Double Loop Whorl

• Central Pocket Whorl

• Double Arch Loop