Answer
What is NOT a way to ensure evidence has not been tampered with or contaminated? -
Answer-Searching a scene thoroughly
/.What is the best method for crime scene investigators to use to avoid spreading trace
amounts of DNA throughout the crime scene? - Answer-By using new gloves after
handling each item
/.Packaging evidence correctly is an essential feature of preventing evidence
contamination. - Answer-True
/.Personal protective equipment should only be used by medical personnel. - Answer-
False
/.Exposure to blood-borne pathogens is a concern for crime scene investigators. -
Answer-True
/.After usage, all personal protective equipment should be disposed of in the nearest
trash can - Answer-False
/.Which of the following is NOT a piece of personal protective equipment which must be
used on a crime scene? - Answer-Mouth guard
/.Which of the following is NOT a piece of information essential for maintaining the chain
of custody? - Answer-Name of all suspects
/.What best describes the science of projectiles and fire arms? - Answer-Ballistics
/.examples of ballistic evidence? - Answer-Bullets, Cartridge cases, Ammunition
/.Which of the following is true about collecting individual bullets on a crime scene? -
Answer-Wrap bullets individually
/.What is something analysis on a fire arm would be able to identify? - Answer-Ejection
pattern, Accidental discharge, Presence of silencer
/.What is the first step for collecting firearm evidence? - Answer-Unload the gun
/.What is something investigators would be able to identify from analysis on a fiber
found on a crime scene? - Answer-Match between two samples, Origin of fiber, Material
fiber is made of
, /.What is something analysis of hair collected at the scene of the crime can identify? -
Answer-Match between two samples, Race of individual, Whether hair was shed
naturally or pulled out forcibly
/.How many individual hairs should investigators collect for samples? - Answer-50 to
100
/.Fiber is best used to prove which of the following? - Answer-Contact between two
individuals or an individual and an object
/.Which of the following best describes trace evidence? - Answer-Small amounts of
evidence including hair, fibers, glass and paint
/.Which of the following is true about collecting latent prints on the scene of a crime? -
Answer-All objects containing fingerprints should be packaged and submitted if possible
/.Which of the following best describes what latent prints are made of? - Answer-Oils
and sweat
/.Which of the following best describes finger, hand and foot prints left on the surface of
objects after contact? - Answer-Latent prints
/.porous surfaces - Answer-untreated wood, paper, tissue, cardboard, fabrics
/.Non-Porous surfaces - Answer-glass, plastics, metals, ceramics, glossy paints
/.steps for lifting prints - Answer-1) sweep finger print dust over the surface of the object
2) Identify usable prints
3) Photograph usable prints
4) Use clean piece of tape to pick up the powder
5) Attach tape to a clean piece of white paper
/.Cocaine, fentanyl, anabolic steroids and peyote are all examples of which of the
following? - Answer-Controlled substances
/.Paper Envelopes - Answer-plants
/.Leak-proof Container - Answer-liquid
/.Clear Plastic Bags - Answer-Powder
/.Pill Box Vial - Answer-tablets
/.Which of the following is true about collecting hypodermic syringes? - Answer-
Hypodermic syringes should be stored in biohazard safety tubes