PBS 2020 Quiz 4 Unit 1 Forensic Science

Material deposited at a crime or accident scene that can only be detected through a deliberate processing procedure. An individual entering any environment will deposit traces of his or her presence, and this material can be used as evidence. Examples- hairs and fibers is called?

• Trace Evidence

• Blood Splatter

• DNA Profiling

• Pattern evidence

The technique by which DNA fragments are placed in a gel and charged with electricity. An applied electric field then separates the fragments by size, as part of the process of creating a genetic profile is called?

• Physical Evidence

• Mass Spectrometry

• DNA Electrophoresis

• Gas Chromatograph (GC)

______ is the red blood cell protein responsible for transporting oxygen in the bloodstream. Provides the red coloring of blood

• Rigor Mortis

• Toxicology

• Narcotics

• Hemoglobin

A single test that specifically identifies a substance is called?

• Composite Drawing

• Confirmation test

• Laceration

• Abrasion

What is the Examination of Body fluids and organs for the presence or absence of drugs and poisons called?

• Toxicology

• Pathology

• Stimulatlogy

• Forensic Science

____ is A cordlike object used for strangulation

• Laceration

• Abrasion

• Ligature

• Contusion

Automated Fingerprint Identification System. Scans fingerprints electronically and plots the positions of their ridge characteristics, comparing them with prints in a database

• AFIS

• Caliber

• Ecstasy

• Chain of Custody

Fingerprint ridges that rise above one another at their center like an arch are called?

• Accelerant

• Trauma

• Autopsy

• Arches

______ is A sketch of a suspect produced from eyewitness descriptions of one or more persons

• Forensic Science

• Pattern evidence

• screening test

• Composite Drawing

______ are psychedelic ("mind-manifesting") drugs, such as LSD, that distort perceptions and evoke sensory images in the absence of sensory input

• Narcotics

• Forensic Science

• Hallucinogens

• Hemoglobin