Question 1

Before any impression is moved or otherwise handled, it must be ________ to show all the observable details of the impression.

Accepted Answer

The answer of Before any impression is moved or otherwise...

Question 2

________ are markings impressed into the metal of a barrel.

Accepted Answer

The answer of ________ are markings impressed into the metal...

Question 3

Shotgun shells are not impressed with any characteristic markings that can be used to compare two shotgun shells to determine if they were fired from the same weapon.

Accepted Answer

A) True 
 B)False

Question 4

Barrel length, caliber, type of ammunition, the type of weapon fired, and the condition of the weapon are all factors that influence the amount of ________ residue deposited on a target.

Accepted Answer

The answer of Barrel length, caliber, type of ammunition, the...

Question 5

The barrel of a shotgun:

Accepted Answer

A) Is indistinguishable from that of a rifle. 
B) Is smooth without the grooves and lands found in rifles. 
C) Is generally shorter than that of a rifle. 
D) Is wider at the end to concentrate the shot. 
A) Is indistinguishable from that of a rifle. 
B) Is smooth without the grooves and lands found in rifles. 
C) Is generally shorter than that of a rifle. 
D) Is wider at the end to concentrate the shot.

Question 6

The distribution of gunpowder particles and other discharge residues around a bullet hole permits:

Accepted Answer

A) Determination of the distance from which the gun was fired. 
B) Determination of the kind of firearm used. 
C) Estimation of the angle of bullet impact. 
D) Estimation of the height of the shooter. 
A) Determination of the distance from which the gun was fired. 
B) Determination of the kind of firearm used. 
C) Estimation of the angle of bullet impact. 
D) Estimation of the height of the shooter.

Question 7

Unlike handguns, a shotgun is not rifled.

Accepted Answer

A) True 
 B)False

Question 8

A weapon recovered from underwater should be transported to the laboratory in a receptacle containing enough of the same water in which it was found to keep it submerged.

Accepted Answer

A) True 
 B)False

Question 9

NIBIN is the National Integrated Ballistics Information Network, a unified firearms search system that incorporates both DRUGFIRE and IBIS technologies.

Accepted Answer

A) True 
 B)False

Question 10

A compound microscope permits the user to view two separate specimens side-by-side.

Accepted Answer

A) True 
 B)False

Question 11

It is acceptable to pick up a firearm by inserting an object into its barrel.

Accepted Answer

A) True 
 B)False

Question 12

Distinctive markings of shells and cartridges can be made by the:

Accepted Answer

A) Extractor and ejector mechanism. 
B) Firing pin. 
C) Breechface mark. 
D) All of the above. 
A) Extractor and ejector mechanism. 
B) Firing pin. 
C) Breechface mark. 
D) All of the above.

Question 13

As the distance to the target of a shotgun blast decreases, the pellets separate and spread out.

Accepted Answer

A) True 
 B)False

Question 14

Chokes are sometimes found on shotguns where they function to constrict the end of the barrel. The speed and distance traveled by pellets fired from a narrow choke is ________ the speed and distance traveled by pellets fired from a shotgun with a wide choke.

Accepted Answer

A) The same as 
B) Greater than 
C) Less than 
D) None of the above 
A) The same as 
B) Greater than 
C) Less than 
D) None of the above

Question 15

The presence of gunpowder residues on a garment whose color conceals the existence of the residue is best revealed by:

Accepted Answer

A) Infrared photography. 
B) Ultraviolet photography. 
C) Color photography. 
D) Infrared spectrophotometry. 
A) Infrared photography. 
B) Ultraviolet photography. 
C) Color photography. 
D) Infrared spectrophotometry.

Question 16

The higher a shotgun's gauge, the ________ the diameter of its barrel.

Accepted Answer

The answer of The higher a shotgun's gauge, the ________...

Question 17

The "dermal nitrate test" has fallen into disfavor because of its lack of specificity. Which of the following common materials does NOT give a misleading positive reaction to this test?

Accepted Answer

A) Tobacco 
B) Chocolate 
C) Urine 
D) Cosmetics 
A) Tobacco 
B) Chocolate 
C) Urine 
D) Cosmetics

Question 18

Tools and tool marks are often found at burglary scenes and can be useful evidence. Proper evidence collection by the field investigator would include:

Accepted Answer

A) Reporting whether a tool found at the crime scene fit into the tool marks. 
B) Making test marks with the suspected tool onto a soft metal surface at the crime scene. 
C) Taking a photograph and cast of the marks if necessary. 
D) Packing of tool and tool mark evidence together so that the crime lab personnel know they are thought to be a matched set. 
A) Reporting whether a tool found at the crime scene fit into the tool marks. 
B) Making test marks with the suspected tool onto a soft metal surface at the crime scene. 
C) Taking a photograph and cast of the marks if necessary. 
D) Packing of tool and tool mark evidence together so that the crime lab personnel know they are thought to be a matched set.

Question 19

Generally speaking, the amount of gunpowder particles found around a bullet hole is ________ to the distance from which the weapon was fired.

Accepted Answer

A) Indirectly related 
B) Not related 
C) Directly related 
D) None of the above 
A) Indirectly related 
B) Not related 
C) Directly related 
D) None of the above

Question 20

A distance determination can be estimated by measuring the spread of the discharged shot.

Accepted Answer

A) True 
 B)False

Before any impression is moved or otherwise handled, it must be ________ to show all the observable details of the impression.

________ are markings impressed into the metal of a barrel.

Shotgun shells are not impressed with any characteristic markings that can be used to compare two shotgun shells to determine if they were fired from the same weapon.

Barrel length, caliber, type of ammunition, the type of weapon fired, and the condition of the weapon are all factors that influence the amount of ________ residue deposited on a target.

The barrel of a shotgun:

The distribution of gunpowder particles and other discharge residues around a bullet hole permits:

Unlike handguns, a shotgun is not rifled.

A weapon recovered from underwater should be transported to the laboratory in a receptacle containing enough of the same water in which it was found to keep it submerged.

NIBIN is the National Integrated Ballistics Information Network, a unified firearms search system that incorporates both DRUGFIRE and IBIS technologies.

A compound microscope permits the user to view two separate specimens side-by-side.

It is acceptable to pick up a firearm by inserting an object into its barrel.

Distinctive markings of shells and cartridges can be made by the:

As the distance to the target of a shotgun blast decreases, the pellets separate and spread out.

Chokes are sometimes found on shotguns where they function to constrict the end of the barrel. The speed and distance traveled by pellets fired from a narrow choke is ________ the speed and distance traveled by pellets fired from a shotgun with a wide choke.

The presence of gunpowder residues on a garment whose color conceals the existence of the residue is best revealed by:

The higher a shotgun's gauge, the ________ the diameter of its barrel.

The "dermal nitrate test" has fallen into disfavor because of its lack of specificity. Which of the following common materials does NOT give a misleading positive reaction to this test?

Tools and tool marks are often found at burglary scenes and can be useful evidence. Proper evidence collection by the field investigator would include:

Generally speaking, the amount of gunpowder particles found around a bullet hole is ________ to the distance from which the weapon was fired.

A distance determination can be estimated by measuring the spread of the discharged shot.

Introduction

The Crime Scene

Physical Evidence

Crime Scene Reconstruction: Blood Stain Pattern Analysis

Death Investigation

Fingerprints

Forensic Biometrics

The Microscope

Matter, Light, and Glass Examination

Hairs and Fibers

Drugs

Forensic Toxicology

Metals, Paint, and Soil

Forensic Serology

DNA: The Indispensable Forensic Science Tool

Forensic Aspects of Fire and Explosion Investigation

Document Examination

Computer Forensics

Mobile Device Forensics

Filters

Exam 9: Firearms, Tool Marks, and Other Impressions

Before any impression is moved or otherwise handled, it must be ________ to show all the observable details of the impression.

________ are markings impressed into the metal of a barrel.

Shotgun shells are not impressed with any characteristic markings that can be used to compare two shotgun shells to determine if they were fired from the same weapon.

Barrel length, caliber, type of ammunition, the type of weapon fired, and the condition of the weapon are all factors that influence the amount of ________ residue deposited on a target.

The barrel of a shotgun:

The distribution of gunpowder particles and other discharge residues around a bullet hole permits:

Unlike handguns, a shotgun is not rifled.

A weapon recovered from underwater should be transported to the laboratory in a receptacle containing enough of the same water in which it was found to keep it submerged.

NIBIN is the National Integrated Ballistics Information Network, a unified firearms search system that incorporates both DRUGFIRE and IBIS technologies.

A compound microscope permits the user to view two separate specimens side-by-side.

It is acceptable to pick up a firearm by inserting an object into its barrel.

Distinctive markings of shells and cartridges can be made by the:

As the distance to the target of a shotgun blast decreases, the pellets separate and spread out.

Chokes are sometimes found on shotguns where they function to constrict the end of the barrel. The speed and distance traveled by pellets fired from a narrow choke is ________ the speed and distance traveled by pellets fired from a shotgun with a wide choke.

The presence of gunpowder residues on a garment whose color conceals the existence of the residue is best revealed by:

The higher a shotgun's gauge, the ________ the diameter of its barrel.

The "dermal nitrate test" has fallen into disfavor because of its lack of specificity. Which of the following common materials does NOT give a misleading positive reaction to this test?

Tools and tool marks are often found at burglary scenes and can be useful evidence. Proper evidence collection by the field investigator would include:

Generally speaking, the amount of gunpowder particles found around a bullet hole is ________ to the distance from which the weapon was fired.

A distance determination can be estimated by measuring the spread of the discharged shot.

Introduction

The Crime Scene

Physical Evidence

Crime Scene Reconstruction: Blood Stain Pattern Analysis

Death Investigation

Fingerprints

Forensic Biometrics

The Microscope

Matter, Light, and Glass Examination

Hairs and Fibers

Drugs

Forensic Toxicology

Metals, Paint, and Soil

Forensic Serology

DNA: The Indispensable Forensic Science Tool

Forensic Aspects of Fire and Explosion Investigation

Document Examination

Computer Forensics

Mobile Device Forensics

Filters