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
A fingerprint classified as '32 over 17' refers to what in the Henry system?
Answer: The primary classification fraction
In the Henry system, the primary classification is expressed as a fraction where the numerator and denominator are derived from whorls in specific finger positions.
What is the maximum possible primary classification in the Henry system?
Answer: 32/32 + 1 (33/33)
The maximum primary is 32+1 over 32+1 = 33/33, because a value of 1 is always added to both numerator and denominator.
In the Henry system, what letter is used in the secondary classification for a whorl?
Answer: W
The letter 'W' designates a whorl pattern in the secondary classification of the Henry system.
When classifying a fingerprint file using the Henry system, in what order are the fingers numbered?
Answer: Right thumb (1) through right little finger (5), then left thumb (6) through left little finger (10)
Fingers are numbered 1–5 for the right hand (thumb to little) and 6–10 for the left hand (thumb to little) in standard tenprint classification.
What does an 'O' designation mean when ridge tracing a whorl?
Answer: Outer — the traced ridge ends outside (below) the right delta
An 'O' (Outer) whorl means the traced ridge from the left delta ends three or more ridges outside (below) the right delta.
Which Henry classification element is designed to sub-file cards having identical primary, secondary, subsecondary, and major values?
Answer: Final
The final (ridge count of the right little finger loop) is used to further separate cards that are otherwise identical in all other classification elements.
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