Deck 5: Trace and Impression Evidence

Question 1

A comparison sample is also called a control sample.

Answer 1

True

Question 2

When gathering control samples, 50 full lengths of hair should be cut from the head along with 24 hairs from the pubic region.

Answer 2

False

Question 3

Human hairs can reveal an individual's race.

Answer 3

True

Question 4

Scientific analysis can positively match a fiber strand to a garment.

Question 5

The two kinds of physical evidence are class evidence and individual evidence.

Question 6

Which statement is NOT part of Locard's theory of exchange:

A) Traces of the victim and the scene will be carried away by the perpetrator.
B) Traces of only the victim will be found at the scene.
C) Traces of the perpetrator will be left at the scene.
D) Traces of the perpetrator will remain on the victim, and the victim may leave traces of himself or herself on the perpetrator.

Question 7

In addition to collecting a comparison sample, what addition samples should be collected?

A) unique
B) physical
C) control
D) microscopic

Question 8

According to the text, human hairs can reveal

A) color of hair
B) blood type
C) age
D) all of the above

Question 9

When gathering control samples for the laboratory, how many hairs should you collect from the head and pubic area?

A) 40 from the head and 25 from the pubic area
B) 50 from the head and 30 from the pubic area
C) 60 from the head and 24 from the pubic area
D) 50 from the head and 24 from the pubic area

Question 10

The two broad groups of fibers are

A) cotton and wildflower
B) manmade and natural
C) synthetic and cotton
D) none of the above

Question 11

Generally, glass fragment examination yields what kind of characteristics?

A) general
B) class
C) individual
D) unique

Question 12

Determining the direction and force of an impact on window glass can be accomplished by examining the _________ surrounding the hole.

A) diameter
B) thickness of the glass
C) fracture patterns
D) extent of breakage

Question 13

A pattern that encircles the hole or point of impact would be a _________ pattern.

A) concentric
B) radial
C) whorl
D) unique

Question 14

The agency that maintains a database that contains the density and refractive indices and elemental analyses for glass is the

A) ATF
B) Federal Bureau of Investigation
C) Association of Professional Glaziers
D) Product Safety Commission