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Forensics Unit 4: Fingerprints

Total questions: 48

Worksheet time: 26mins

Name
Class
Date
1.

The pattern is slanted towards the thick bone on the thumb side of the hand. 

a)

radial loop

b)

ulnar loop

c)

double loop

d)

plain whorl

2.

This the most common pattern and is made up of ridges that resemble hairpins or staples. It slants towards the small bone of the arm on the same side as the little finger. 

a)

radial loop

b)

ulnar loop

c)

central pocket

d)

plain whorl

3.
this is a circular spiral pattern
a)
accidental whorl
b)
double loop
c)
central pocket
d)
plain whorl
4.
this is an irregular circular pattern
a)
accidental whorl
b)
double loop
c)
central pocket
d)
plain whorl
5.
this is characterized by a tight circular pattern in the center of the print
a)
tented arch
b)
double loop
c)
central pocket loop
d)
plain whorl
6.
65% of the population has this type of pattern
a)
loops
b)
whorls
c)
arches
d)
ripples
7.
30% of the population has this type of pattern
a)
loops
b)
whorls
c)
arches
d)
ripples
8.
5% of the population has this type of pattern
a)
loops
b)
whorls
c)
arches
d)
ripples
9.
right hand
a)
accidental whorl
b)
double loop
c)
tented arch
d)
plain arch
10.
right hand
a)
accidental whorl
b)
double loop
c)
tented arch
d)
plain arch
11.
right hand
a)
accidental whorl
b)

double loop whorl

c)
ying-yang 
d)
plain whorl
12.
right hand
a)
accidental whorl
b)
central pocket 
c)
plain whorl
d)
teneted arch
13.
right hand
a)
accidental whorl
b)
central pocket 
c)
plain whorl
d)
teneted arch
14.
right hand
a)
radial loop
b)
plain whorl
c)
accidental loop
d)
ulnar loop
15.
right hand
a)
radial loop
b)
plain whorl
c)
accidental loop
d)
ulnar loop
16.
right hand
a)
plain arch
b)
tented arch
c)
double arch
d)
accidental loop
17.
Fingerprints in blood, dirt, mud, etc.
a)
latent
b)
impressionist
c)
patent
d)
plastic
18.
invisible prints left by body secretions
a)

latent

b)

impressionist

c)

patent

d)

plastic

19.
prints left in a medium, such as wax or clay.
a)
latent
b)
impressionist
c)
patent
d)
plastic
20.

Fingerprints are formed

a)

shortly after birth

b)

at about two years of age

c)

10 weeks' gestation

d)

17 wees' pregnancy

21.

Fingerprints contain many different patterns and detailed shapes known as ridge characteristics or ________.

a)

ridges

b)

arches

c)

minutiae

d)

whorls

22.

What is this minutiae pattern called?

a)

eye

b)

double bifurcation

c)

fork in the road

d)

ridge ending

23.

A small triangular region found in a fingerprint is called what?

a)

delta

b)

arch

c)

core

d)

eye

24.

What type of minutiae is this?

a)

Dot

b)

Island

c)

core

d)

delta

25.

This chemical will lift fingerprints off paper

a)

Iodine Fuming

b)

Water

c)

Silver Nitrate

d)

Ninhydrin

26.

This will lift fingerprints from wood or styrofoam

a)

Silver Nitrate

b)

Super Glue

c)

Ninhydrin

d)

Water

27.

What is this minutiae pattern shown?

a)

Whorl

b)

Eye

c)

Island

d)

Ridge Ending

28.
•Police investigators are experts in collecting “dactylograms”, otherwise known as?
a)
pictures
b)
fingerprints
c)
evidence
d)
baseball cards
29.

True or False: Identical twins have identical fingerprints.

a)

True

b)

False

30.

What are the lines on your fingers that leave impressions called?

a)

follicle

b)

ridges

c)

print marks

d)

roots

31.

Which hand is this for?

a)

Right Hand

b)

Left Hand

32.

Fingerprints are created in the

a)

basal layer in the epidermis

b)

inner dermis (endodermis) layer of the skin

c)

Eccrine sweat gland

d)

adipose tissue

33.

This gland is the most important gland for fingerprinting

a)

Eccrine Gland

b)

Apocrine Gland

c)

Sebaceous Gland

d)

Reinders Gland

34.

People have friction ridges on their fingerprints to

a)

Grip objects

b)

Identify each other

c)

sweat easier

d)

remain annonymous

35.

AFIS Stands For

a)

Automated Fingerprint Identification System

b)

Automatic Fingerprint Identification System

c)

Annonymous Fingerprint Identification system

d)

American Fingerprint Identification System

36.

What type of prints do you have to dust to see?

a)

latent

b)

patent

c)

plastic

d)

lactouse

37.

What is the name of the superglue chemical used to develop fingerprints

a)

Cyanocrylate

b)

Ninhydrin

c)

Silver Nitrate

d)

Iodine Vapors

38.

When looking at an ink fingerprint, which portion shows the ridges?

a)

white portion

b)

dark portion

c)

smeared portion

d)

triangle portion

39.

This type of fingerprint pattern does not have deltas or a core

a)

Arch

b)

Whorl

c)

Loop

40.

Forensic examiners look for the presence of a __________ and delta(s).

a)

Short ridge

b)

Bifurcation

c)

Core

d)

Crossover

41.

Which of the following ridge characteristics can be defined as one ridge dividing into two?

a)

Island or short ridge

b)

Eye or enclosure

c)

Bifurcation or fork

d)

Double bifurcation

42.

When minutiae on two different prints match, these are called points of similarity or points of identification.  At this point, how many points of identification do lawyers like to have to consider prints "a match" ?

a)

16

b)

12

c)

8

d)

There is no standard

43.

What is the name of this minutiae?

a)

Bifurcation

b)

Splitting Ridge

c)

Delta

d)

Y

44.

A fingerprint pattern will remain unchanged for the life of an individual; however, the print itself may change due to scars and disease.

a)

True

b)

False

45.
A fingerprint is considered individual evidence.
a)
False
b)
True
46.
Name this minutiae type
a)
Enclosure
b)
Island (pick me! pick me! you know you want to)
c)
Bifurcation (fork) 
d)
Ridge ending 
47.
Name this minutiae type
a)
Sludge
b)
Island (dot) 
c)
Bifurcation (fork) 
d)
Pore
48.

The area indicated by "B" in the diagram is known as a(n)

a)

Core

b)

Delta

c)

Whorl

d)

Arch