Fingerprints review

Pattern in which ridges enter on one side of the finger and leave on the other.

• arch
• loop
• whorl

Pattern in which ridges enter and leave on the same side of the finger

• arch
• loop
• whorl 

Pattern in which ridges make a complete circle

• arch
• loop 
• whorl 

Which pattern is least common on human fingerprints?

• arch
• loop
• whorl 

What are the two types of arches?

• radial, ulnar
• plain, tented
• plain, central pocket 
• radial, central pocket 

What are the two types of loops?

• radial, ulnar
• plain, tented
• plain, central pocket
• double loop, central pocket 

How many deltas will an arch pattern have?

• 0
• 1
• 2
• it's not always the same number 

How many deltas does a loop have?

• 1
• 2
• 3
• it's not always the same

How many deltas does a whorl have? 

• 1
• 0
• at least 2 
• 3 or more 

• arch
• loop
• whorl