WorksheetsForensic final review
Total questions: 20
Worksheet time: 10mins
What type of evidence is fiber?
Class
Individual
How soon should an investigator collect fiber
as eviidence?
within 1 hour
within 24 hours
within 12 hours
within 48 hours
Whats the most common form of fiber transfer?
international seperating from people
shedding from clothing
Person to person contact
mass dissolving from the source
Natural fibers can be analyzed by using a _______ to compare shapes and markings
gel electrophoresis
refraction index
chemical reaction
Microscope
using _ can reveal something of the chemical structure of other fibers that, otherwise may look very much alike.
density
inferred spectrometry
chromatography
refractive index
which type of fiber comes from plants and animals?
Natural
Synthetic
what is one advantage of using natural fiber over synthetic?
its waterproof/ resistance
its absorbent
its cheaper
what is one advantage to using synthetic fibers over natural?
its absorbent
its waterproof/ resistance
its eco- friendly
which of the following is NOT an example of a natural fiber?
Rayon
Cotton
Linen
Wool
Which of the following is NOT an example of a synthetic fiber?
Microfiber
Silk
Spandex
Polyster
What type of evidence is analyzing hair?
Individual
Class
Which letter points to the cuticle?
A
B
C
Which letter points to the medulla?
A
B
C
Which of the following has hair pigment distribution that often exhibits rapid and radical color changes?
Human
Animal
Which of the following has hair that has overlapping imbricate (or flattened) scales with narrow margins?
Human
Animal
Which of the following has hair that has a very wide medulla?
Human
Animal
Which racial origin is characterized as having a thick cuticle?
Cacuasian
Monogoloid
Negroid
Which racial origin is characterized as having a flat cross section?
Caucasian
Monogoloid
Negroid
Which racial origin is characterized as having a oval shaped cross section?
Caucasian
Monogoloid
Negroid
Which somatic region has hair that is characterized as longer than other hairs on the body & generally softer
Head
Facial
Chest
Public
