DMIT Fingerprint Patterns & Dermatoglyphics Basics

Question 1

What is dermatoglyphics?

Accepted Answer

The scientific study of fingerprint and skin ridge patterns

Answer

The study of skin diseases

Answer

A branch of genetics studying DNA

Answer

The analysis of palm lines

Question 2

Which of the following is the most common fingerprint pattern type?

Accepted Answer

Loop

Answer

Arch

Answer

Whorl

Answer

Composite

Question 3

At approximately what stage of fetal development do fingerprints fully form?

Accepted Answer

21 weeks

Answer

8 weeks

Answer

12 weeks

Answer

32 weeks

Question 4

What does the term 'ridge count' refer to in dermatoglyphics?

Accepted Answer

The number of ridges between the triradius and core of a pattern

Answer

The number of fingers analyzed

Answer

The total number of whorls on all fingers

Answer

The depth of fingerprint grooves

Question 5

Which fingerprint pattern is characterized by ridges that enter and exit from opposite sides of the finger?

Accepted Answer

Loop

Answer

Whorl

Answer

Arch

Answer

Tented arch

Question 6

What is a triradius (also called a delta) in fingerprint analysis?

Accepted Answer

A point where three ridge systems meet at approximately 120-degree angles

Answer

The center point of a whorl

Answer

A scar that alters fingerprint patterns

Answer

The outer boundary of a fingerprint