WorksheetsPatent vs Latent Fingerprints
Total questions: 25
Worksheet time: 42mins
You place an object in a chamber and heat up this substance
Which chemical method creates a permanent white fingerprint?
cyanoacrylate fuming
ninhydrin
iodine fuming
What is a basic technique that uses a filament brush?
Magnetic powder
Silver Nitrate
Ninhydrin
Standard black powder
Which technique binds with amino acids to make a purple-colored print on paper or cardboard surfaces?
Iodine fuming
Crystal violet
Ninhydrin
Silver Nitrate
IAFIS is the
FBI fingerprint database
CIA DNA database
International union of forensic scientists
national child database
Who developed the fingerprint classification system in use today?
Andreas Mayer
Pharaohs
William Herschel
Francis Galton
If a fingerprint is pressed into thick clotted blood, the pattern that will be created is called
patent
latent
plastic
hardened
Ninhydrin spray is used on porous surfaces and changes fingerprints to purple when it reacts with
fats/oils
water
DNA
amino acids
Super glue contains cyanoacrylate and it works on non-porous surfaces, like glass, to produce this appearance
white
purprle
orange
black
The best way to preserve a fingerprint is to
freeze it
wax coat it
photograph it
wrap it in plastic
a visible fingerprint that happens when fingers with blood, ink, or some other substance on them touch a surface and transfer the pattern of their fingerprint to that surface
Patent
Latent
Plastic
a three-dimensional fingerprint made in a soft material such as clay, soap, or putty
Patent
Plastic
Latent
A fingerprint left on a hard surface that can be seen with the naked eye
Plastic
Patent
Latent
Minutiae print
Prints can be taken from
fingers
palms
feet
all of these
Fingerprints left in gum would best be classified as?
patent
plastic
latent
What causes fingerprints to be left behind when we touch things
oil
sweat
salts
all of the above
Left by a finger that has touched blood, paint, ink or similar.
Plastic
Patent
Latent
What chemical lifts fingerprints off glassware, plastic and other household items?
Cyanoacrylate Fuming
Ninhydrin
Iodine Fuming
This chemical will lift fingerprints off paper
Olive Oil
Water
Silver Nitrate
Ninhydrin
What type of fingerprints are not seen, they are hidden prints left by transfer of oils or other body secretions?
Latent
Patent
Plastic
