Exam 1

Question 1

Cast off patterns

Answer 1

can help the analyst determine which hand the blows were struck in a beating scene

Question 2

The analyst can identify the ______ number of blows struck by counting the cast off trails

Answer 2

minimum

Question 3

The size of bloodstains and the width of the blood trail can:

Answer 3

include or exclude a weapon as possibly making a cast off trail

Question 4

An individual blood drop in free fall is in a _____ shape during most of the fall

Answer 4

sphere

Question 5

Two of the factors that you must consider in determining a bloodstain’s flight path are:

Answer 5

velocity and gravity

Question 6

Back spatter, in a normal environment, will travel approximately ____ at maximum in a horizontal plane

Answer 6

four feet

Question 7

Distorted stains eliminate the ability to decipher anything of value other than the _____.

Answer 7

direction of travel

Question 8

____ blood spatter isn’t always associated with just a gunshot occurrence.

Answer 8

misting

Question 9

Two examples of low energy bloodstains would be _____ ____ and ____ ____ ____.

Answer 9

blood drips; passive blood flows.

Question 10

_____ energy impact spatter is usually associated with a beating type crime.

Answer 10

medium

Question 11

There is an _____ in size between low, medium, and high energy blood spatter.

Answer 11

overlap

Question 12

Bloodstain pattern analysis is accepted in courts of law because:

Answer 12

it is uniform in character

Question 13

High energy blood spatter is the result of an energy or force greater than ____ feet per second.

Answer 13

100

Question 14

The pointed or tapered end of a parent bloodstain will:

Answer 14

point in the direction it was heading.

Question 15

_____ _____ is a large pattern created when blood escapes an artery under pressure.

Answer 15

arterial gushing

Question 16

_____ stain is the droplet from which satellite spatter originates.

Answer 16

parent

Question 17

Expiratory blood is spattered to a target through the mechanical process of _____.

Answer 17

breathing

Question 18

Cast off blood is:

Answer 18

blood which has been thrown from a secondary object.

Question 19

A ____ is created when an object passes through existing blood.

Answer 19

wipe

Question 20

Transfer pattern is a pattern created when:

Answer 20

a wet bloody object comes in contact with another surface.

Question 21

____ ____ is a small pattern created when blood escapes an artery under pressure.

Answer 21

arterial spurts

Question 22

Satellite spatter is:

Answer 22

small drops of blood which break off from the parent spatter/stain.

Question 23

Splash pattern is created when:

Answer 23

a volume of blood strikes a surface at low energy

Question 24

Back spatter are bloodstains which are projected:

Answer 24

towards the item creating the force or energy

Question 25

Shadowing/ghosting/void pattern are effects:

Answer 25

that help place an object or body in a crime

Question 26

Clot is:

Answer 26

a mass of blood and other contaminants

Question 27

Forward spatter are bloodstains projected:

Answer 27

in the same direction as the force

Question 28

Spatter are:

Answer 28

bloodstains created by the application of some force or energy

Question 29

Spines are:

Answer 29

pointed edges of a stain which radiate out from the spatter/stain

Question 30

Origin/point of origin is:

Answer 30

a point in space where the blood spatter originated

Question 31

Swipe is a pattern created when:

Answer 31

a bloody object comes into contact with another surface, normally considered a lateral movement

Question 32

Ricochet stains are bloodstains that have impacted:

Answer 32

with some other object, and then fallen to the final target

Question 33

Atomized/misting blood is blood which has been:

Answer 33

reduced to a fine spray

Question 34

Angle of impact is:

Answer 34

the angle at which a blood droplet strikes a target surface

Question 35

Capillary action is an action caused when:

Answer 35

blood between two items are in the process of being separated

Question 36

Target is:

Answer 36

the location where the blood lands

Question 37

Drip patterns is a characteristic pattern created when:

Answer 37

blood drips into standing blood

Question 38

Projected blood is:

Answer 38

blood striking a target under pressure

Question 39

Impact site is:

Answer 39

the area of the body that is being struck

Question 40

The written history of bloodstain pattern analysis dates back to the:

Answer 40

1800s

Question 41

In order to make some determination as to what happened to produce static bloodstains the analyst will study:

Answer 41

dispersion pattern, shape, size, number

Question 42

The first people to truly examine bloodstains with a view toward physical stain differences were:

Answer 42

the French

Question 43

Who published the Interpretation of Bloodstain Evidence at Crime Scenes?

Answer 43

William Eckert and Stuart James

Question 44

Who published Experiments and Practical Exercises in Bloodstain Pattern Analysis?

Answer 44

Terry Laber and Barton Epstein

Question 45

____ ____ talked about the stringing method.

Answer 45

Victor Balthazard

Question 46

___ ___ worked on the Sam Sheppard case.

Answer 46

Paul Kirk

Question 47

____ ____ was thought by many to be the modern day “father of bloodstain pattern analysis”.

Answer 47

Herbert MacDonnel

Question 48

If there are four back swing cast-off and two forward swing cast-off how many blows would this be consistent with?

Answer 48

minimum of 5

Question 49

Which factors directly effect misting blood spatter’s horizontal flight path?

Answer 49

gravity, energy, air resistance

Question 50

blood in flight is in the shape of a:

Answer 50

sphere