Quiz 1

Question 1

Between what weeks does time of differentiation occur?

Answer 1

15-17 weeks

Question 2

What happens during time of differentiation?

Answer 2

Secondary ridges begin to form and primary ridge development ceases in those areas.

Question 3

Can incipient ridges be used for comparisons

Answer 3

Yes

Question 4

Where are short ridges common?

Answer 4

Near the delta

Question 5

Four premises of friction ridge identification?

Answer 5

Friction ridges are persistent throughout life except for permanent scaring.

Friction ridges develop on the fetus in their definitive form before birth

The specific friction patterns and the details in small area of friction ridges are unique and never repeated

Overall friction ridge patterns vary within limits which allow for classification

Question 6

Pattern force

Answer 6

Refers to the anticipated appearance of certain types of minutiae in specific parts of a patterns ridge flow due to stresses placed on the developing friction skin in those locations.

Question 7

What is the purpose of the analysis portion of the ACE-V process as it relates to friction ridge identification?

Answer 7

To ascertain whether an impression is suitable for comparison

To determine if there is agreement between the unknown and the known

To provide justification for an exclusion