Question 1

The amount of spatter from a blood droplet falling on a hard, non-porous surface is ________ that of a drop of blood of equal size, falling from the same distance, onto a softer, porous surface.

Accepted Answer

A)   less than
B)   the same as
C)   equal to
D)   greater thanE) B) and C)
F) All of the above A

Question 2

List and briefly describe the information that can be gained from bloodstain pattern analysis.

Accepted Answer

Bloodstain pattern analysis is a forensi...

Question 3

An expirated blood pattern at a crime scene is identified by:

Accepted Answer

A)   bubbles of oxygen within the pattern.
B)   skeletonized edges.
C)   lighter color than other patterns.
D)   both A and B
E)   all of the above.F) D) and E)
G) B) and C)

Question 4

Using the following diagrams, calculate the angle of impact of each individual bloodstain.

Accepted Answer

To calculate the angle of impact of indi...

Question 5

When an object with blood on it touches one that does not have blood on it, this produces a(n)  :

Accepted Answer

A)   contact pattern.
B)   flow.
C)   void.
D)   trail pattern.
E)   indistinguishable pattern.F) A) and B)
G) B) and D)

Question 6

Widely spaced bloody shoeprints with satellite spatter between the shoeprints were likely deposited by an individual who was:

Accepted Answer

A)   standing in place.
B)   carrying a bloody weapon.
C)   injured during the incident.
D)   running.
E)   walking slowly.F) C) and E)
G) B) and C)

Question 7

Crime scene reconstruction involves the efforts of all but the:

Accepted Answer

A)   crime scene response unit.
B)   police.
C)   trial judge.
D)   medical examiner.
E)   criminalist.F) All of the above
G) A) and D)

Question 8

Generally, bloodstain diameter ___________ as height increases.

Accepted Answer

A)   increases lengthwise, decreases widthwise
B)   increases
C)   decreases
D)   may increase or decrease depending upon surface
E)   remains unchangedF) A) and D)
G) A) and B)

Question 9

The direction of a ___________ may show movements of objects or bodies while the pattern was still forming or after the blood has dried.

Accepted Answer

A)   bloodstain tail
B)   cast-off pattern
C)   expirated pattern
D)   trail pattern
E)   flow patternF) A) and E)
G) A) and D)

Question 10

Proper location and documentation of bloodstain patterns at the crime scene is the responsibility of:

Accepted Answer

A)   all crime scene personnel.
B)   the lead investigator.
C)   criminalists and specialists.
D)   the first responding officer.
E)   a bloodstain analysis specialist.F) All of the above
G) B) and D)

Question 11

The most common type of bloodstain pattern found at a crime scene is:

Accepted Answer

A)   arterial spray.
B)   void spatter.
C)   transfer pattern.
D)   cast-off spatter.
E)   impact spatter.F) C) and E)
G) A) and D)

Question 12

At the crime scene, the string method is used to find the ___________ of an impact spatter pattern.

Accepted Answer

A)   area of origin
B)   void pattern
C)   drying time
D)   velocity classification
E)   area of convergenceF) All of the above
G) B) and C)

Question 13

Crime scene reconstruction requires the piecing together of:

Accepted Answer

A)   the story told by evidence recovered at the crime scene.
B)   the laboratory results obtained by the criminalist working on the case.
C)   input form the medical examiner.
D)   accounts given by witnesses and suspects.
E)   all of the above.F) A) and B)
G) All of the above

Question 14

The skeletonized perimeter of a bloodstain can be used to interpret:

Accepted Answer

A)   the kind of force that produced the bloodstain.
B)   the time that elapsed between deposition of the stain and alteration of the stain.
C)   the source of the bloodstain.
D)   both B and C.
E)   all of the above.F) A) and B)
G) None of the above

Question 15

The intersection of straight lines through the long axis of several individual bloodstains in an impact spatter pattern illustrates the ___________ of the pattern:

Accepted Answer

A)   drying time
B)   void pattern
C)   velocity classification
D)   area of origin
E)   area of convergenceF) None of the above
G) A) and D)

Question 16

___________ transfer patterns are produced when the object makes contact with the surface and the object is removed without any movement.

Accepted Answer

A)   flow
B)   imprint
C)   contact
D)   void
E)   simpleF) A) and E)
G) C) and D) E

Question 17

By counting and pairing the patterns of a(n)  ___________ pattern, an investigator can estimate the minimum number of blows inflicted upon a victim.

Accepted Answer

A)   impact
B)   arterial spray
C)   cast-off
D)   void
E)   drip trailF) A) and B)
G) A) and C)

Question 18

Describe the methods used to document bloodstain evidence at a crime scene.

Accepted Answer

There are several methods used to docume...

Question 19

The velocity classification of an impact spatter pattern:

Accepted Answer

A)   cannot illuminate the specific events that produced pattern.
B)   can determine the kind of action that produced the pattern.
C)   can only be determined by a trained bloodstain pattern analyst.
D)   is never used for descriptive purposes.
E)   all of the aboveF) B) and E)
G) C) and D) A

Question 20

A trail pattern leading away from the victim at a stabbing scene was most likely created by:

Accepted Answer

A)   the swinging of the murder weapon between strikes.
B)   a victim's arterial wound.
C)   blood expelled from a respiratory injury.
D)   blood dripping from the murder weapon.
E)   postmortem movement of the victim.F) All of the above
G) C) and D)

Exam 10: Bloodstain Pattern Analysis

The amount of spatter from a blood droplet falling on a hard, non-porous surface is ________ that of a drop of blood of equal size, falling from the same distance, onto a softer, porous surface.

Correct AnswerverifiedA

List and briefly describe the information that can be gained from bloodstain pattern analysis.

Correct AnswerAnswered by ExamLex AIBloodstain pattern analysis is a forensi...View AnswerShow Answer

An expirated blood pattern at a crime scene is identified by:

Correct AnswerverifiedShow Answer

Using the following diagrams, calculate the angle of impact of each individual bloodstain.

Correct AnswerAnswered by ExamLex AITo calculate the angle of impact of indi...View AnswerShow Answer

When an object with blood on it touches one that does not have blood on it, this produces a(n) :

Correct AnswerverifiedShow Answer

Widely spaced bloody shoeprints with satellite spatter between the shoeprints were likely deposited by an individual who was:

Correct AnswerverifiedShow Answer

Crime scene reconstruction involves the efforts of all but the:

Correct AnswerverifiedShow Answer

Generally, bloodstain diameter ___________ as height increases.

Correct AnswerverifiedShow Answer

The direction of a ___________ may show movements of objects or bodies while the pattern was still forming or after the blood has dried.

Correct AnswerverifiedShow Answer

Proper location and documentation of bloodstain patterns at the crime scene is the responsibility of:

Correct AnswerverifiedShow Answer

The most common type of bloodstain pattern found at a crime scene is:

Correct AnswerverifiedShow Answer

At the crime scene, the string method is used to find the ___________ of an impact spatter pattern.

Correct AnswerverifiedShow Answer

Crime scene reconstruction requires the piecing together of:

Correct AnswerverifiedShow Answer

The skeletonized perimeter of a bloodstain can be used to interpret:

Correct AnswerverifiedShow Answer

The intersection of straight lines through the long axis of several individual bloodstains in an impact spatter pattern illustrates the ___________ of the pattern:

Correct AnswerverifiedShow Answer

___________ transfer patterns are produced when the object makes contact with the surface and the object is removed without any movement.

Correct AnswerverifiedE

By counting and pairing the patterns of a(n) ___________ pattern, an investigator can estimate the minimum number of blows inflicted upon a victim.

Correct AnswerverifiedShow Answer

Describe the methods used to document bloodstain evidence at a crime scene.

Correct AnswerAnswered by ExamLex AIThere are several methods used to docume...View AnswerShow Answer

The velocity classification of an impact spatter pattern:

Correct AnswerverifiedA

A trail pattern leading away from the victim at a stabbing scene was most likely created by:

Correct AnswerverifiedShow Answer

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Bloodstain pattern analysis is a forensi...
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To calculate the angle of impact of indi...
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E

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There are several methods used to docume...
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