Question 1

Describe the best process to analyze and attempt to identify the chemical components of fiber and paint evidence.

Accepted Answer

Answer (should include points such as):

Question 2

The pollen expert's first task is to calculate the pollen ________ for the crime scene.

Accepted Answer

The answer of The pollen expert's first task is to...

Question 3

A comparison microscope designed to examine bullets and fibers is equipped with:

Accepted Answer

A)  Vertical illumination. 
B)  Transmitted illumination. 
C)  Oblique illumination. 
D)  Both A and B. 
A)  Vertical illumination. 
B)  Transmitted illumination. 
C)  Oblique illumination. 
D)  Both A and B.

Question 4

The infrared microspectrophotometer is used to analyze fibers and paints.

Accepted Answer

A) True 
 B)False

Question 5

Pollen grains are the single-celled male ________ of seed-bearing plants.

Accepted Answer

The answer of Pollen grains are the single-celled male ________...

Question 6

The magnification power of a microscope equals the magnifying power of the objective lens ________ by the eyepiece lens.

Accepted Answer

The answer of The magnification power of a microscope equals...

Question 7

With opaque specimens,the light source must be placed ________ the specimen and reflected off the specimen's surface and into the lens.

Accepted Answer

The answer of With opaque specimens,the light source must be...

Question 8

Richard Bruno Hauptmann was convicted of the kidnap and murder of the Lindbergh child in part on the basis of optical examination of:

Accepted Answer

A)  GSR (gunshot residue). 
B)  Wood. 
C)  Hair. 
D)  Fibers. 
A)  GSR (gunshot residue). 
B)  Wood. 
C)  Hair. 
D)  Fibers.

Question 9

The most important tool of the firearms examiner is the ________ microscope.

Accepted Answer

The answer of The most important tool of the firearms...

Question 10

In the design of a polarizing microscope,the polarizer is placed between the:

Accepted Answer

A)  Specimen and the analyzer. 
B)  Analyzer and the eyepiece. 
C)  Light source and the sample stage. 
D)  Sample stage and the analyzer. 
A)  Specimen and the analyzer. 
B)  Analyzer and the eyepiece. 
C)  Light source and the sample stage. 
D)  Sample stage and the analyzer.

Question 11

Transmitted illumination can be used only with specimens that are transparent.

Accepted Answer

A) True 
 B)False

Question 12

The major attraction of the ________ is its high magnification and depth of field.

Accepted Answer

The answer of The major attraction of the ________ is...

Question 13

Which of the following statements is false?

Accepted Answer

A)  If the polarizer and analyzer of a polarizing microscope are placed parallel to each other, no light will penetrate. 
B)  Light confined to a single plane of vibration is said to be polarized. 
C)  Many crystals are birefringent. 
D)  The lens nearest the specimen is called the objective lens. 
A)  If the polarizer and analyzer of a polarizing microscope are placed parallel to each other, no light will penetrate. 
B)  Light confined to a single plane of vibration is said to be polarized. 
C)  Many crystals are birefringent. 
D)  The lens nearest the specimen is called the objective lens.

Question 14

An object with the letter "L" is viewed under low power of a compound microscope.The image would appear as:

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
A) 
  
B) 
  
C) 
  
D)

Question 15

Match the word in Column 1 to its definition in Column 2.Each answer can only be used once.
A)Size of the specimen area being observed
B)Provides a simultaneous view of two specimens
C)Space between the specimen and objective lens
D)Illumination required to view a transparent object
E)Illumination of a specimen from above
F)The thickness of a specimen in focus
G)Eyepiece multiplied by objective lens
H)The image seen through a compound microscope
I)The lower lens of a microscope positioned directly over the specimen
J)Presents a distinctive three-dimensional image
K)Used to examine birefringent materials
L)Image formed by the actual convergence of light rays on a screen
1)Magnification
2)Working distance
3)Polarizing microscope
4)Depth of focus
5)Field of view
6)Real image
7)Stereoscopic microscope
8)Transmitted illumination
9)Vertical illumination
10)Comparison microscope
11)Objective lens
12)Virtual image

Accepted Answer

Answers: 1)G 2)C 3)K

Question 16

The major advantages of the SEM image include all of the following EXCEPT:

Accepted Answer

A)  High magnification. 
B)  High reproducibility. 
C)  High resolution. 
D)  Great depth of focus. 
A)  High magnification. 
B)  High reproducibility. 
C)  High resolution. 
D)  Great depth of focus.

Question 17

The stereoscopic microscope is the most frequently used microscope in the crime laboratory.

Accepted Answer

A) True 
 B)False

Question 18

Components of a compound microscope include all of the following EXCEPT:

Accepted Answer

A)  Expander. 
B)  Stage. 
C)  Coarse adjustment. 
D)  Condenser. 
A)  Expander. 
B)  Stage. 
C)  Coarse adjustment. 
D)  Condenser.

Question 19

A forensic scientist would use vertical illumination when studying opaque specimens.

Accepted Answer

A) True 
 B)False

Question 20

How can a scanning electron microscope be used to identify the elements present in a specimen?

Accepted Answer

Answer (should include points such as):

Describe the best process to analyze and attempt to identify the chemical components of fiber and paint evidence.

The pollen expert's first task is to calculate the pollen ________ for the crime scene.

A comparison microscope designed to examine bullets and fibers is equipped with:

The infrared microspectrophotometer is used to analyze fibers and paints.

Pollen grains are the single-celled male ________ of seed-bearing plants.

The magnification power of a microscope equals the magnifying power of the objective lens ________ by the eyepiece lens.

With opaque specimens,the light source must be placed ________ the specimen and reflected off the specimen's surface and into the lens.

Richard Bruno Hauptmann was convicted of the kidnap and murder of the Lindbergh child in part on the basis of optical examination of:

The most important tool of the firearms examiner is the ________ microscope.

In the design of a polarizing microscope,the polarizer is placed between the:

Transmitted illumination can be used only with specimens that are transparent.

The major attraction of the ________ is its high magnification and depth of field.

Which of the following statements is false?

An object with the letter "L" is viewed under low power of a compound microscope.The image would appear as:

The major advantages of the SEM image include all of the following EXCEPT:

The stereoscopic microscope is the most frequently used microscope in the crime laboratory.

Components of a compound microscope include all of the following EXCEPT:

A forensic scientist would use vertical illumination when studying opaque specimens.

How can a scanning electron microscope be used to identify the elements present in a specimen?

Introduction

The Crime Scene

Physical Evidence

Crime Scene Reconstruction: Blood Stain Pattern Analysis

Death Investigation

Fingerprints

Forensic Biometrics

Firearms, tool Marks, and Other Impressions

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 8: The Microscope

Describe the best process to analyze and attempt to identify the chemical components of fiber and paint evidence.

The pollen expert's first task is to calculate the pollen ________ for the crime scene.

A comparison microscope designed to examine bullets and fibers is equipped with:

The infrared microspectrophotometer is used to analyze fibers and paints.

Pollen grains are the single-celled male ________ of seed-bearing plants.

The magnification power of a microscope equals the magnifying power of the objective lens ________ by the eyepiece lens.

With opaque specimens,the light source must be placed ________ the specimen and reflected off the specimen's surface and into the lens.

Richard Bruno Hauptmann was convicted of the kidnap and murder of the Lindbergh child in part on the basis of optical examination of:

The most important tool of the firearms examiner is the ________ microscope.

In the design of a polarizing microscope,the polarizer is placed between the:

Transmitted illumination can be used only with specimens that are transparent.

The major attraction of the ________ is its high magnification and depth of field.

Which of the following statements is false?

An object with the letter "L" is viewed under low power of a compound microscope.The image would appear as:

The major advantages of the SEM image include all of the following EXCEPT:

The stereoscopic microscope is the most frequently used microscope in the crime laboratory.

Components of a compound microscope include all of the following EXCEPT:

A forensic scientist would use vertical illumination when studying opaque specimens.

How can a scanning electron microscope be used to identify the elements present in a specimen?

Introduction

The Crime Scene

Physical Evidence

Crime Scene Reconstruction: Blood Stain Pattern Analysis

Death Investigation

Fingerprints

Forensic Biometrics

Firearms, tool Marks, and Other Impressions

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