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Chapter 8 Blood and Blood Spatter Review

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Last updated over 4 years ago
23 questions
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Question 1
1.

What was the angle of impact of this blood drop?

Question 2
2.

What was the angle of impact of this blood drop?

Question 3
3.

According to the picture, what blood type is pictured?

Question 4
4.

According to the picture, what blood type is pictured?

Question 5
5.

According to the picture, what blood type is pictured?

Question 6
6.

Blood types are determined by the presence of protein located on
a) all of the blood cells
b) only the white blood cells
c) only on the T-helper cells
d) only on the red blood cells

Question 7
7.

Blood proteins that determine blood types are
a) on the surface of the cell membrane
b) inside of the cytoplasm
c) both on the cell membrane and inside of the cytoplasm
d) found in the bone marrow

Question 8
8.

If a person has type A– blood, then they have
a) only the A protein
b) both the A and the Rh proteins
c) all three blood proteins
d) It is impossible to tell what proteins they have

Question 9
9.

If a person has type O+ blood, then they have
a) the A and the B protein, but lack the Rh protein
b) an O protein but not the Rh protein
c) none of the ABO nor the Rh proteins
d) the Rh protein but not the A or the B proteins

Question 10
10.

To determine one’s blood type, what is added to the slide?
a) blood and antibodies
b) only the antibodies
c) luminol
d) none of the above

Question 11
11.

Refer to the pictures of blood spatter below:

Which pattern most likely came from a gunshot?

Question 12
12.

Refer to the pictures of blood spatter below:

Which pattern most likely came from a blow on the head??

Question 13
13.

Refer to the pictures of blood spatter below:



Blood was dropped from a distance of 30 cm. Although the height
was the same, two different patterns emerged. How do you account
for the difference?

Question 14
14.

The following bloodstains were produced by dropping the blood from heights of 6 inches and 12 inches.

Which one was dropped from 12 inches: drop 1 or drop 2?

Question 15
15.

The following bloodstains were produced by dropping the blood from heights of 6 inches and 12 inches.

How do you account for the different patterns(complete sentences)?

Question 16
16.

Explain how it is possible to tell that blood was emitted from an artery and not just a cut(complete sentences).

Question 17
17.

How is it possible to determine the direction of blood flow from bloodspatter(complete sentences)?

Question 18
18.

A prosecuting attorney was given the forensic lab results from the
blood-typing activity. She found that the crime-scene blood matched
the blood type of one of the suspects’ blood. The prosecutor told the
jurors that the crime-scene evidence blood matched the defendant’s

blood type. She further stated that this evidence proved that the sus-
pect was indeed the perpetrator of the crime.

You are the defendant’s attorney. How would you respond to the
prosecutor’s argument that because the blood types matched, then
the defendant is proven to be guilty of the crime(complete sentences)?

Question 19
19.

Determine the point of origin for the blood-spatter stains.
• Use a pencil and a straight edge.
• Draw a circle around the point of origin.

Question 20
20.

If the blood type is AB- is the RH factor present in the blood cells(yes/no)?

Question 21
21.

Please show all calculations and show the probability of having B+ blood type.

Question 22
22.

Please show all calculations and show the probability of having O- blood type.

Question 23
23.

Please show all calculations and show the probability of having A+ blood type.