Fingerprints

What is the function of the ridges on our fingers which create fingerprints?

• They provide insulation for the tissues under the skin.
• They enable us to grasp objects.
• They provide protection for our touch receptors.

What causes fingerprints to be left behind when we touch things?

• the dust on the things we touch
• the smoothness of the surfaces we touch
• the natural oils on skin
• the moisture in the atmosphere

Which of the following is NOT one of the three basic types of fingerprint patterns?

• loops
• spirals
• whorls
• arches

Identify the fingerprint pattern as shown.

• whorl
• loop
• arch

Which of the following consists of a series of concentric circles?

• loop
• whorl
• arch

Which type of fingerprint cannot be seen by the naked eye?

• patent fingerprint
• latent fingerprint

What type of fingerprint is shown in the diagram below?

• Plain arch
• Plain whorl
• Central Pocket whorl
• Double Loop whorl

The area indicated by "B" in the diagram is known as a(n)

• Core
• Delta
• Whorl
• Arch

The image was taken from the right hand.  What type of loop is it?

• Radial
• Ulnar

What pattern is this?

• Loop
• Arch
• Whorl