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WorksheetsForensics Unit 4: Fingerprints
Total questions: 48
Worksheet time: 26mins
The pattern is slanted towards the thick bone on the thumb side of the hand.
radial loop
ulnar loop
double loop
plain whorl
This the most common pattern and is made up of ridges that resemble hairpins or staples. It slants towards the small bone of the arm on the same side as the little finger.
radial loop
ulnar loop
central pocket
plain whorl
double loop whorl
latent
impressionist
patent
plastic
Fingerprints are formed
shortly after birth
at about two years of age
10 weeks' gestation
17 wees' pregnancy
Fingerprints contain many different patterns and detailed shapes known as ridge characteristics or ________.
ridges
arches
minutiae
whorls
What is this minutiae pattern called?
eye
double bifurcation
fork in the road
ridge ending
A small triangular region found in a fingerprint is called what?
delta
arch
core
eye
What type of minutiae is this?
Dot
Island
core
delta
This chemical will lift fingerprints off paper
Iodine Fuming
Water
Silver Nitrate
Ninhydrin
This will lift fingerprints from wood or styrofoam
Silver Nitrate
Super Glue
Ninhydrin
Water
What is this minutiae pattern shown?
Whorl
Eye
Island
Ridge Ending
True or False: Identical twins have identical fingerprints.
True
False
What are the lines on your fingers that leave impressions called?
follicle
ridges
print marks
roots
Which hand is this for?
Right Hand
Left Hand
Fingerprints are created in the
basal layer in the epidermis
inner dermis (endodermis) layer of the skin
Eccrine sweat gland
adipose tissue
This gland is the most important gland for fingerprinting
Eccrine Gland
Apocrine Gland
Sebaceous Gland
Reinders Gland
People have friction ridges on their fingerprints to
Grip objects
Identify each other
sweat easier
remain annonymous
AFIS Stands For
Automated Fingerprint Identification System
Automatic Fingerprint Identification System
Annonymous Fingerprint Identification system
American Fingerprint Identification System
What type of prints do you have to dust to see?
latent
patent
plastic
lactouse
What is the name of the superglue chemical used to develop fingerprints
Cyanocrylate
Ninhydrin
Silver Nitrate
Iodine Vapors
When looking at an ink fingerprint, which portion shows the ridges?
white portion
dark portion
smeared portion
triangle portion
This type of fingerprint pattern does not have deltas or a core
Arch
Whorl
Loop
Forensic examiners look for the presence of a __________ and delta(s).
Short ridge
Bifurcation
Core
Crossover
Which of the following ridge characteristics can be defined as one ridge dividing into two?
Island or short ridge
Eye or enclosure
Bifurcation or fork
Double bifurcation
When minutiae on two different prints match, these are called points of similarity or points of identification. At this point, how many points of identification do lawyers like to have to consider prints "a match" ?
16
12
8
There is no standard
What is the name of this minutiae?
Bifurcation
Splitting Ridge
Delta
Y
A fingerprint pattern will remain unchanged for the life of an individual; however, the print itself may change due to scars and disease.
True
False
The area indicated by "B" in the diagram is known as a(n)
Core
Delta
Whorl
Arch
