Module 3

Question 1

Fingerprints begin to develop immediately after birth.

Answer 1

False

Question 2

Fingerprints are a reproduction of friction skin ridges found on the palm side of the fingers.

Answer 2

True

Question 3

Fingerprints are a reproduction of friction skin ridges found on the palm side of the fingers.

Question 4

The four types of fingerprints are visible, plastic, latent, and transient.

Answer 4

False

Question 5

The main ingredients of a fingerprint are perspiration and oils.

Answer 5

True

Question 6

Fingerprints should not be photographed until all steps in the preservation process have been completed.

Answer 6

False

Question 7

When taking fingerprints of a deceased person, the use of a “dead man’s spoon” is often employed.

Answer 7

True

Question 8

All fingerprints are divided into three classes of general patterns. They are:

a) loops, deltas, and betas

b) radial, loops, and arches

c) whorls, loops, and arches

d) arches, deltas, and loops

Answer 8

c) whorls, loops, and arches

Question 9

The most common fingerprint pattern is

a) whorl

b) arch

c) loop

d) none of the above

Answer 9

c) loop

Question 10

Fingerprints are mostly comprised of

a) oils

b) organic substances

c) water

d) inorganic substances

Answer 10

c) water

Question 11

Which of the following statements is true about palmprints?

a) Since the discovery of DNA, palmprints are never used for identification.

b) Palmprints are often used for identification; however, there is not extensive database for the maintenance of the files.

c) Palmprints are gathered when processing individuals arrested for routine criminal charges and are maintained in the extensive database by the FBI.

d) Palmprints are often used for identification and are maintained in an extensive database.

Answer 11

b) Palmprints are often used for identification; however, there is not extensive database for the maintenance of the files.

Question 12

The four types of fingerprints are

a) visible, dry, latent, and plastic

b) latent, inked, plastic, and wet

c) wet, plastic, moulded, and latent

d) latent, plastic, wet, and visible

Answer 12

d) latent, plastic, wet, and visible

Question 13

The main reason for fingerprint cards to be rejected is

a) failure to fully roll the “bulb” of each finger

b) failure to fully photograph the fingerprint

c) failure to take fingerprints in the proper sequence

d) failure to properly identify the person being fingerprinted

Answer 13

a) failure to fully roll the “bulb” of each finger

Question 14

Plain or flat impressions are used to

a) verify the ridges of the rolled fingerprint

b) verify the grooves of the rolled

c) verify the proper sequence of the fingerprints

d) none of the above

Answer 14

c) verify the proper sequence of the fingerprints

Question 15

Which statement is NOT associated with the use of a dead man’s spoon:

a) A dead man’s spoon is used when taking “inked” fingerprints.

b) A dead man’s spoon is used for lifting latent fingerprints.

c) A dead man’s spoon is used with a fingerprint card that has been cut into strips.

d) A dead man’s spoon is used when obtaining “rolled” fingerprint impressions.

Answer 15

b) A dead man’s spoon is used for lifting latent fingerprints.

Question 16

Which statement is true concerning fingerprints?

a) All individuals except identical twins have different fingerprints.

b) All individuals have different fingerprints.

c) All individuals except fraternal twins have different fingerprints.

d) None of the above

Answer 16

b) All individuals have different fingerprints.

Question 17

When documenting the scene of an accident, a CSI must take photographs that accurately depict the driver’s point of view.

Answer 17

True

Question 18

Paint primer layers are often analyzed to assist in the determination of the original vehicle color.

Answer 18

True

Question 19

It is often possible to determine whether breaks in light bulb filaments occurred when the light was off or was activated at the time of the crash.

Answer 19

True

Question 20

The FBI maintains the National Automotive Paint File, which is a database of paints related to all makes, models, and manufacture year of automobiles.

Answer 20

True

Question 21

When possible, paint chips should be collected using disposable forceps and scalpels.

Answer 21

True

Question 22

According to the text, when documenting the scene of a motor vehicle crash, the CSI must take photographs that accurately depict

a) the driver’s point of view

b) the witnesses’ points of view

c) the passengers’ points of view

d) all of the above

Answer 22

d) all of the above

Question 23

When photographing a vehicle crash scene and after determining the correct height of the camera, a tripod should be used to span

a) 180 degrees

b) 270 degrees

c) 360 degrees

d) 90 degrees

Answer 23

c) 360 degrees

Question 24

Skid marks made by a vehicle can be used to determine

a) speed and distance

b) speed

c) distance

d) none of the above

Answer 24

a) speed and distance

Question 25

The layer of paint that can be used to determine the original color of a vehicle is the a) clear-coat layer b) primer layer c) undercoat layer d) pigment layer

Answer 25

b) primer layer

Question 26

The government agency that maintains a database of paints is the a) ATF b) INS c) DEA d) FBI

Answer 26

d) FBI

Question 27

Evidence that may be created by a vehicle striking a person or object is called a) pattern evidence b) imprint evidence c) transfer evidence d) impact evidence

Answer 27

a) pattern evidence

Question 28

According to the text, when collecting paint chips or fragments, the CSI should use a) latex gloves b) latex gloves covered with cotton gloves c) disposable forceps and scalpels d) a pocket knife

Answer 28

c) disposable forceps and scalpels

Question 29

Paint chips and fragments should be secured in a) brown paper b) a soft container c) paper and a rigid container d) plastic bags and a rigid container

Answer 29

c) paper and a rigid container

Question 30

According to the text, when collecting a control sample of glass, ______ is sufficient a) 1 square inch b) 1.5n square inches c) 2 square inches d) 3 square inches

Answer 30

a) 1 square inch

Question 31

A comparison sample is also called a control sample.

Answer 31

True

Question 32

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

Answer 32

False

Question 33

Human hairs can reveal an individual's race.

Answer 33

True

Question 34

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

Answer 34

False

Question 35

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

Answer 35

Ture

Question 36

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.

Answer 36

b) Traces of only the victim will be found at the scene.

Question 37

In addition to collecting a comparison sample, what addition samples should be collected? a) unique b) physical c) control d) microscopic

Answer 37

c) control

Question 38

According to the text, human hairs can reveal a) color of hair b) blood type c) age d) all of the above

Answer 38

a) color of hair

Question 39

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

Answer 39

d) 50 from the head and 24 from the pubic area

Question 40

The most prevalent plant fiber is a) cotton b) bamboo c) hemp d) rattan

Answer 40

a) cotton

Question 41

The two broad groups of fibers are a) cotton and wildflower b) manmade and natural c) synthetic and cotton d) none of the above

Answer 41

b) manmade and natural

Question 42

Generally, glass fragment examination yields what kind of characteristics? a) general b) class c) individual d) unique

Answer 42

b) class

Question 43

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

Answer 43

c) fracture patterns

Question 44

A pattern that encircles the hole or point of impact would be a _________ pattern. a) concentric b) radial c) whorl d) unique

Answer 44

a) concentric

Question 45

The agency that maintains a database that contains the density and refractive indices and elemental analyses for glass is the a) ATF b) FBI c) Association of Professional Glaziers d) Product Safety Commission

Answer 45

b) FBI