Deck 3: Trace

Question 1

Which one of the following items is not considered trace evidence?

A) Latent fingerprint
B) chip of glass
C) firearm
D) fiber
E) hair follicle

Answer 1

C

Question 2

While Jenkins and Chang were lifting trace evidence from the driver's side compartment, what other piece of evidence revealed itself?

A) shell casing
B) tooth fragment
C) apparent blood stain
D) foot print
E) spent bullet

Answer 2

E

Question 3

What was the reason for measuring certain dimensions around the driver's side seat compartment?

A) could provide information about who may been driving the vehicle
B) could provide DNA evidence
C) could provide a source of trace evidence
D) could provide information about why she loaned her boyfriend her car
E) could provide information why a bullet was found on the driver's side floorboard.

Answer 3

A

Question 4

The Madawaska case that Lt. Jenkins retold to Miss Chang involved…

A) Locard principle
B) paint chips
C) hair samples
D) all of the above
E) choice 'a' & 'c' are correct

Question 5

What was discovered in the back of the vehicle?

A) large stained area, a pattern stain, and trace evidence
B) large stained area, another shell casing, and fingerprints
C) large stained area, spent bullet, pattern stain
D) large stained area, footprint, fingerprints
E) large stained area, skeletal remains, cell phone

Question 6

Jenkins prior partner Juarez was….

A) a corrupt officer
B) tried to kill Jenkins
C) involved in drugs
D) serving time in prison
E) all of the above

Question 7

Based on prior history with the previous partner, why was Lt. Jenkins so reluctant in taking on Chang?

Question 8

Jenkins thought process was "it is just a matter of time". What do you think this phrase means at it relates to his relationship with Chang?

Question 9

While Ms. Chang was processing the driver and passenger side compartment, why did Lt. Jenkins ask her how tall she was?

Question 10

Before actually dusting the crime scene for prints, Lt. Jenkins pointed out that another type of evidence should be given priority. What was this other form of evidence and what type of technique was being employed:

Question 11

Madawaska case was an example of how the Locard principle was critical in solving this homicide? Explain how this exchange principle led police to the perpetrator.

Question 12

Briefly summarize what evidence items were processed in this chapter.
Crime scene was processed for…

Question 13

What is trace evidence?

A) objects clearly visible to the naked eye.
B) objects that often are not visible to the naked eye.
C) fiber, grains of dirt, chips of paint, specks of pollen
D) all of the above
E) choice "b" & "c"

Question 14

Which one of the microscopes provides the highest degree of magnification?

A) hand lens
B) optical or light microscope
C) binocular or dissection scope
D) transmission electron microscope (TEM)
E) scanning electron microscope (SEM)

Question 15

The anchor point where a hair grows from the scalp is referred as the……

A) cuticle
B) cortex
C) medulla
D) follicle
E) shaft

Question 16

The medullary index is the …

A) cuticle portion of the hair shaft
B) cortex portion of the hair shaft
C) ratio of the width of the medulla to the width of the hair shaft
D) ratio of the depth at the follicle is embedded into the scalp to the length of the hair shaft
E) history of the person's drug intake

Question 17

Which one of the following term is not considered when examining fiber evidence.

A) twist
B) delusterants
C) color
D) width
E) medullary index

Question 18

When viewing a prepared slide using a light microscope what lens do you initially start with?

A) low power
B) medium power
C) high power
D) oil immersion lens
E) none of the above

Question 19

Which of the situations would involve the Locard Exchange Principle?

A) shaking hands
B) walking through mud
C) petting an animal
D) shampooing a carpet
E) All of the above

Question 20

A light microscope has the ocular (eyepiece) marked on the outer perimeter with the number 10x. What does this mean?

A) indicates the resolution capability
B) indicates the size of the ocular (eyepiece)
C) indicates the length of the lens
D) indicates the magnification
E) none of the above

Question 21

How does one determine the total magnification when viewing an object with a light microscope?

A) add the magnification of the eyepiece to the magnification of the lens
B) multiply the magnification of the eyepiece to the magnification of the lens
C) subtract the magnification of the eyepiece to the magnification of the lens
D) determine the magnification of the eyepiece
E) determine the magnification of the lens only

Question 22

In activity 3.2 Locard Exchange Principle you examined trace evidence from the upper body, lower body and soles of shoes. Which area or areas would you expect to have the greatest variety of trace evidence presence?

A) upper body only
B) lower body only
C) bottom of shoe
D) upper body and lower body
E) bottom of shoe and lower body

Question 23

The side opposite the right angle of a triangle is called the…

A) Adjacent
B) Opposite
C) acute angle
D) Hypotenuse
E) obtuse angle

Question 24

Accuracy means….

A) how close a measurement is to the actual value
B) how reproducible a measurement is when taken with an instrument
C) how far away a measurement is to the actual value
D) 1 out of 10 shots hitting the bulls eye
E) all of the above

Question 25

Precision means….
How close a measurement is to the actual value

A) How reproducible a measurement is when taken with an instrument
B) How far away a measurement is to the actual value
C) 1 out of 10 shots hitting the bulls eye
D) all of the above

Question 26

A series of measurements were taken involving individual heights and the rectangular area formed under the lower leg while sitting in a driver's seat. The statistical analysis used on this series of data was….

A) Standard deviation
B) Chi-square analysis
C) Probability
D) Linear regression
E) Pythagorean theorem

Question 27

What physical feature would distinguish synthetic fiber from animal hair?

A) presence of a medulla
B) presence of a cuticle
C) presence of a cortex
D) presence of scales
E) presence of delusterants

Question 28

A medullary index ratio 0.2 was measured on a hair sample. What is the correct conclusion?

A) consistent with human hair
B) consistent with animal hair
C) inconclusive
D) both 'a' & 'b' are correct
E) both 'a' & 'c' are correct