Exam 3 (SCI 255) Questions with 100% Verified Correct Answers Rated A+ Which type of fingerprint is found in a soft material such as clay or play-doh? - Correct Answers Plastic How should fingerprint powder be applied to a surface? - Correct Answers With a gently swirling motion What fingerprint development method can be used for non-absorbent rough surfaces? - Correct Answers Cyanoacrylate fuming When are fingerprints developed at the crime scene? - Correct Answers After all other evidence has been collected Which is NOT one of the factors to consider for fingerprint evidence found at a crime scene? - Correct Answers The class characteristics of the fingerprint Techniques for finding fingerprints on a car from a rain storm should search for prints made of... - Correct Answers Water-insoluble components Which fingerprint development method should be used for smooth, porous surfaces? - Correct Answers Ninhydrin What is the first step in latent print development? - Correct Answers Visual examination with various lighting How would a technician collect a small amount of dried blood on a linoleum floor at a scene? - Correct Answers Wet swab with sterile water and collect the stain What technique can be used on scene to identify possible saliva stains that are not visible? - Correct Answers Alternative light sources How should a technician package clothing with potential biological evidence that is dry? - Correct Answers Folded with paper in between each fold 1 / 2
When is Luminal or Blue Star applied to a bloodstain pattern? - Correct Answers Once it has been fully documented Which type of cell does NOT contain DNA? - Correct Answers Red blood cells Which is NOT one of the methods that can be used to document bloodstain patterns? - Correct Answers Right angle Which blood visualization technique will not destroy DNA? - Correct Answers Blue Star What is the BEST collection technique for dried semen on a soft immobile porous object? - Correct Answers Cut it out A ____ consists of a bullet, primer, gunpowder, and case - Correct Answers Cartridge What ammunition component is only present in a shotgun shell? - Correct Answers Wad Burned and unburned gunpowder released from a firearm when it is discharged is called - Correct Answers Gunshot residue If GSR discs and GSR swabs are both going to be used on a subject, which should be used first? - Correct Answers GSR disks What is the purpose of rifling in a shotgun? - Correct Answers Shotguns don't have rifling (T/F) If a vehicle must be moved from the scene only the outside area of the drivers door should be processed - Correct Answers False (T/F) The point of impact is the area within scene where a vehicle struck an object or person - Correct Answers True A blow-up sketch should be created to show the - Correct Answers Point of impact
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