Deck 7: Blood Spatter Evidence

Question 1

The average female body contains approximately three to four liters of blood.

Answer 1

False

Question 2

A normal-sized individual must lose about 40 percent of the total volume of blood to produce irreversible shock and death.

Answer 2

True

Question 3

Passive bloodstains are created by blunt force.

Answer 3

False

Question 4

When a drop of blood strikes a nonporous, hard surface, it will create a large spatter.

Question 5

Blood drops falling at a 90-degree angle will produce a circular stain of equal width and length.

Question 6

Bloodstain pattern analysis is the examination of the

A) distribution patterns, size, and shapes
B) location, distribution patterns, and shapes
C) size, location, and shapes
D) shapes, location, and size

Question 7

The average male has _____ to _____ liters of blood in his body:

A) four; five
B) three; four
C) five; six
D) six; seven

Question 8

The average female has ____ to _____ liters of blood in her body:

A) four; five
B) three; four
C) five; six
D) six; seven

Question 9

The consensus is that a normal-sized individual must lose about ____ percent of the total volume of blood in order to produce irreversible shock and death.

A) 30
B) 50
C) 40
D) 60

Question 10

A free-falling drop of blood forms a sphere and maintains that shape due to the force that pulls the surface molecules of a liquid toward the interior. This force creates

A) circular tendency
B) surface force
C) surface tension
D) round syndrome

Question 11

A surface that is smooth and hard will create

A) little, if any, spatter
B) more spatter than a rough surface
C) irregular stains with serrated or spiny edges
D) none of the above