Tenprint Fingerprint Identification Techniques Flashcards
7 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 7 Tenprint Fingerprint Identification Techniques flashcards as text
Which ridge detail is defined as a short ridge that does not connect to another ridge at either end?
Answer: Short ridge (independent ridge)
A short ridge, also called an independent ridge, is a ridge segment that terminates at both ends without connecting to other ridges.
When comparing latent prints to tenprint exemplars, which method involves superimposing one image over another at the same scale?
Answer: Overlay comparison
Overlay comparison involves placing one image directly over another at the same magnification to visually align corresponding ridge details.
In the Henry Classification System, a finger is assigned a value only if it bears which pattern type?
Answer: Whorl
In the Henry system, numerical values are assigned exclusively to fingers bearing whorl patterns; loops and arches receive no numerical value.
What term describes the imaginary line drawn between the two type lines at the point where they diverge in a loop pattern?
Answer: Delta line
The delta line is the imaginary line connecting the two diverging type lines and is used to locate the delta point in a loop.
Which of the following conditions would most likely cause a fingerprint to be classified as 'scarred' rather than assigned a pattern type?
Answer: A permanent scar that obliterates ridge flow
Permanent scarring that destroys the ridge pattern prevents reliable classification and is notated as a scar rather than a pattern type.
Which finger position is used as the primary search key in most AFIS databases when all ten fingers are available?
Answer: Right thumb
The right thumb is traditionally used as the primary search key in AFIS because it typically yields high-quality impressions and is the most commonly recorded finger.
What is the minimum number of corresponding Galton details historically cited in some jurisdictions as a standard for a fingerprint identification?
Answer: 12
Twelve corresponding Galton details was historically cited in many jurisdictions as a threshold for fingerprint identification, though modern standards focus on quality over quantity.
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