Quiz #4 for Final

Question 1

____________ is most often used in toolmark analysis but can be used to recover prints on textured surfaces.

Answer 1

Mikrosil

Question 2

Once an item has been ___________ no other latent print processing can be done.

Answer 2

powdered

Question 3

Most powders are suitable to use on wet and dry surfaces.

Answer 3

false

Question 4

The application of finely ground powder is recommended for use on non-porous items.

Answer 4

true

Question 5

To avoid contamination and packing the powder, the brush should never be dipped directly into the powder container.

Answer 5

true

Question 6

The color of powder used should contrast with the color of the surface being powdered.

Answer 6

true

Question 7

Friction ridge skin secretes oils and sweat.

Answer 7

false

Question 8

What powder requires use of an alternate light source (ALS)?

Answer 8

Fluorescent powder

Question 9

Fluorescent powders are commonly used for field processing.

Answer 9

false

Question 10

All non-porous items suspected to contain latent fingerprints should be dusted at the crime scene.

Answer 10

false

Question 11

____________ is used to develop latent prints on paper.

Answer 11

Ninhydrin

Question 12

Part of the Microburst fuming process?
- H…. …..
-Lots .. ………
-Sho… …… ………..

Answer 12

High heat, lots of cyanoacrylate, short period of time

Question 13

…………… hydrate reacts with ____ _____ present in perspiration=
also known as ________ for short.

Answer 13

Triketohydrindene/amino acids/ true
ninhydrin

Question 14

________ vapors bind to moisture in latent prints and form _____ prints during the volatilization reaction.

Answer 14

/superglue/ plasticized/ false/ polymerization

Question 15

___________ is used to develop prints on wet surfaces.

Answer 15

/small particle reagent/ true

Question 16

Prints can be destroyed by underexposure in the cyanoacrylate fuming chamber.

Answer 16

false

Question 17

What are the two reactions that occur during cyanoacrylate fuming?

Answer 17

1. Volatilization 2. Polymerization

Question 18

What development technique is designed for enhancing latent prints on the adhesive side of tape?

Answer 18

wetwop

Question 19

Wet surfaces are able to be processed with superglue fuming to successfully develop fingerprints.

Answer 19

false

Question 20

Which technique can also be used as a blood reagent?

Answer 20

Ninhydrin

Question 21

Fluorescent dyes must be applied after superglue fuming.

Answer 21

true

Question 22

Explain what is meant by superglue fuming being a “line of sight” process.

Answer 22

Superglue vapor will only react with exposed surfaces.

Question 23

A known print placed on an item and superglue fumed along with evidence creates a _________ print to observe the _______ ______ or success

Answer 23

controlled/development’s process