Tenprint Fingerprint Classification Systems Flashcards
6 cards from real Tenprint Fingerprint Certification practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Tenprint Fingerprint Classification Systems flashcards as text
What is the 'final' in the Henry Classification System?
Answer: The ridge count of the right little finger loop
The final is the ridge count of the right little finger if it is a loop pattern, used to further differentiate similar classifications.
Which pattern type is assigned a value in calculating the Henry primary classification?
Answer: Whorl
Only whorls contribute numerical values in the primary classification formula; arches and loops count as zero.
In the NCIC fingerprint classification system, how are patterns encoded?
Answer: Using a single uppercase letter per finger
The NCIC system uses a single uppercase letter to represent the pattern type for each of the ten fingers in sequence.
What does 'ridge tracing' determine in whorl classification?
Answer: Whether a whorl is inner, meeting, or outer based on tracing from the left delta
Ridge tracing follows the ridge from the left delta and classifies the whorl as inner (I), meeting (M), or outer (O) relative to the right delta.
What is the 'major division' in the Henry classification system based on?
Answer: The pattern types on the thumbs
The major division uses the pattern types found on the thumbs and further subdivides the classification based on ridge count or tracing.
Which classification element uses the pattern type of the middle fingers (positions 3 and 8)?
Answer: Subsecondary classification
The subsecondary classification evaluates index, middle, and ring fingers, including middle finger patterns in positions 3 and 8.
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