Question 1

Pyrolysis gas chromatography is a particularly valuable technique for characterizing paint's:

Accepted Answer

A)  clearcoat 
B)  binder 
C)  pigments 
D)  color 
E)  basecoat 
A)  clearcoat 
B)  binder 
C)  pigments 
D)  color 
E)  basecoat B

Question 2

Which of the following is a nondestructive technique for identifying and quantifying trace elements in a test sample?

Accepted Answer

A)  ICP emission spectrometry 
B)  neutron activation analysis 
C)  Pyrolysis gas chromatography 
D)  microscopic examination 
E)  carbon arc emission spectrometry 
A)  ICP emission spectrometry 
B)  neutron activation analysis 
C)  Pyrolysis gas chromatography 
D)  microscopic examination 
E)  carbon arc emission spectrometry B

Question 3

What type of evidence would be expected to have trace elements?

Accepted Answer

A)  paint and bullet fragments 
B)  glass and metal objects 
C)  soil and primer particles 
D)  all of the above 
E)  none of the above 
A)  paint and bullet fragments 
B)  glass and metal objects 
C)  soil and primer particles 
D)  all of the above 
E)  none of the above D

Question 4

Explain the difference between the atomic number and the atomic mass number.

Accepted Answer

The atomic number and the atomic mass nu

Question 5

In a simple emission spectrograph, excitation of the specimen under investigation is accomplished with a(n):

Accepted Answer

A)  hot plasma torch. 
B)  activated prism. 
C)  electrical arc. 
D)  inductive magnetic field. 
E)  ultraviolet light source. 
A)  hot plasma torch. 
B)  activated prism. 
C)  electrical arc. 
D)  inductive magnetic field. 
E)  ultraviolet light source.

Question 6

The knowledge that elements selectively ___________ and ___________ light provides the basis for important analytical techniques designed to detect the presence of elements in materials.

Accepted Answer

A)  absorb; adsorb 
B)  absorb; emit 
C)  reflect; refract 
D)  disperse; transmit 
E)  reflect; adsorb 
A)  absorb; adsorb 
B)  absorb; emit 
C)  reflect; refract 
D)  disperse; transmit 
E)  reflect; adsorb

Question 7

In order to compare soil specimens, some forensic laboratories rely on:

Accepted Answer

A)  GRIM 3 results. 
B)  the density-gradient tube technique. 
C)  the 3 R rule. 
D)  a reference collection. 
E)  refractive index studies. 
A)  GRIM 3 results. 
B)  the density-gradient tube technique. 
C)  the 3 R rule. 
D)  a reference collection. 
E)  refractive index studies.

Question 8

Beta particles are identical to:

Accepted Answer

A)  alpha particles 
B)  gamma particles 
C)  electrons 
D)  photons 
E)  isotopes 
A)  alpha particles 
B)  gamma particles 
C)  electrons 
D)  photons 
E)  isotopes

Question 9

List and explain the important forensic properties of soil.

Accepted Answer

Soil can be a valuable source of forensi

Question 10

The nucleus of an atom contains:

Accepted Answer

A)  neutrons and electrons. 
B)  electrons only. 
C)  protons and neutrons. 
D)  neutrons. 
E)  protons and electrons. 
A)  neutrons and electrons. 
B)  electrons only. 
C)  protons and neutrons. 
D)  neutrons. 
E)  protons and electrons.

Question 11

What is the logical first step in soil analysis?

Accepted Answer

A)  examination for presence of debris under low-power magnification 
B)  comparison of dried soil sample for color and texture 
C)  use of the density-gradient tube technique 
D)  investigation of the geographical and/or geologic origin of the sample 
E)  examination of minerals and rocks under high-power magnification 
A)  examination for presence of debris under low-power magnification 
B)  comparison of dried soil sample for color and texture 
C)  use of the density-gradient tube technique 
D)  investigation of the geographical and/or geologic origin of the sample 
E)  examination of minerals and rocks under high-power magnification

Question 12

Define the following: Proton, Neutron and electron.

Accepted Answer

Proton, neutron, and electron are subato

Question 13

An element is selective in the frequency of light it will absorb. This selectivity is due to its:

Accepted Answer

A)  electron energy levels. 
B)  atomic mass. 
C)  atomic number. 
D)  number of neutrons. 
E)  proton cloud. 
A)  electron energy levels. 
B)  atomic mass. 
C)  atomic number. 
D)  number of neutrons. 
E)  proton cloud.

Question 14

In most cases, the ___________ layer(s) of soil is/are picked up during the commission of a crime.

Accepted Answer

A)  wet 
B)  clay 
C)  silt 
D)  organic 
E)  top 
A)  wet 
B)  clay 
C)  silt 
D)  organic 
E)  top

Question 15

Describe the proper collection and preservation techniques for soil evidence.

Accepted Answer

Proper collection and preservation techn

Question 16

Describe the proper collection and preservation techniques for paint evidence.

Accepted Answer

Proper collection and preservation techn

Question 17

Paint as physical evidence is most frequently encountered in:

Accepted Answer

A)  burglary. 
B)  a hit-and-run. 
C)  assault. 
D)  car theft. 
E)  both A and B 
A)  burglary. 
B)  a hit-and-run. 
C)  assault. 
D)  car theft. 
E)  both A and B

Question 18

Briefly describe what an isotope is.

Accepted Answer

An isotope is a variant of a particular

Question 19

Neutron activation analysis involves bombarding specimens with neutrons and then measuring the resultant:

Accepted Answer

A)  gamma rays. 
B)  ultraviolet rays. 
C)  beta rays. 
D)  alpha rays. 
E)  x-rays. 
A)  gamma rays. 
B)  ultraviolet rays. 
C)  beta rays. 
D)  alpha rays. 
E)  x-rays.

Question 20

Manufacturers apply the following coatings to the body of an automobile:
-Which coating provides resistance to corrosion?

Accepted Answer

A) electrocoat primer 
B) primer surface 
C) basecoat 
D) clearcoat 
A) electrocoat primer 
B) primer surface 
C) basecoat 
D) clearcoat

Pyrolysis gas chromatography is a particularly valuable technique for characterizing paint's:

Which of the following is a nondestructive technique for identifying and quantifying trace elements in a test sample?

What type of evidence would be expected to have trace elements?

Explain the difference between the atomic number and the atomic mass number.

In a simple emission spectrograph, excitation of the specimen under investigation is accomplished with a(n):

The knowledge that elements selectively _ and _ light provides the basis for important analytical techniques designed to detect the presence of elements in materials.

In order to compare soil specimens, some forensic laboratories rely on:

Beta particles are identical to:

List and explain the important forensic properties of soil.

The nucleus of an atom contains:

What is the logical first step in soil analysis?

Define the following: Proton, Neutron and electron.

An element is selective in the frequency of light it will absorb. This selectivity is due to its:

In most cases, the ___________ layer(s) of soil is/are picked up during the commission of a crime.

Describe the proper collection and preservation techniques for soil evidence.

Describe the proper collection and preservation techniques for paint evidence.

Paint as physical evidence is most frequently encountered in:

Briefly describe what an isotope is.

Neutron activation analysis involves bombarding specimens with neutrons and then measuring the resultant:

Manufacturers apply the following coatings to the body of an automobile: -Which coating provides resistance to corrosion?

Introduction

Securing and Searching the Crime Scene

Recording the Crime Scene

Collection of Crime-Scene Evidence

Physical Evidence

Death Investigation

Crime-Scene Reconstruction

Fingerprints

Firearms, Toolmarks, and Other Impressions

Bloodstain Pattern Analysis

Drugs

Trace Evidence I: Hairs and Fibers

Trace Evidence Ii: Paint, Glass, and Soil

Biological Stain Analysis: DNA

Forensic Aspects of Fire and Explosion Investigation

Document Examination

Computer Forensics

Filters

Exam 12: Forensic Toxicology

Pyrolysis gas chromatography is a particularly valuable technique for characterizing paint's:

Which of the following is a nondestructive technique for identifying and quantifying trace elements in a test sample?

What type of evidence would be expected to have trace elements?

Explain the difference between the atomic number and the atomic mass number.

In a simple emission spectrograph, excitation of the specimen under investigation is accomplished with a(n):

The knowledge that elements selectively ___________ and ___________ light provides the basis for important analytical techniques designed to detect the presence of elements in materials.

In order to compare soil specimens, some forensic laboratories rely on:

Beta particles are identical to:

List and explain the important forensic properties of soil.

The nucleus of an atom contains:

What is the logical first step in soil analysis?

Define the following: Proton, Neutron and electron.

An element is selective in the frequency of light it will absorb. This selectivity is due to its:

In most cases, the ___________ layer(s) of soil is/are picked up during the commission of a crime.

Describe the proper collection and preservation techniques for soil evidence.

Describe the proper collection and preservation techniques for paint evidence.

Paint as physical evidence is most frequently encountered in:

Briefly describe what an isotope is.

Neutron activation analysis involves bombarding specimens with neutrons and then measuring the resultant:

Manufacturers apply the following coatings to the body of an automobile: -Which coating provides resistance to corrosion?

Introduction

Securing and Searching the Crime Scene

Recording the Crime Scene

Collection of Crime-Scene Evidence

Physical Evidence

Death Investigation

Crime-Scene Reconstruction

Fingerprints

Firearms, Toolmarks, and Other Impressions

Bloodstain Pattern Analysis

Drugs

Trace Evidence I: Hairs and Fibers

Trace Evidence Ii: Paint, Glass, and Soil

Biological Stain Analysis: DNA

Forensic Aspects of Fire and Explosion Investigation

Document Examination

Computer Forensics

Filters

The knowledge that elements selectively _ and _ light provides the basis for important analytical techniques designed to detect the presence of elements in materials.