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Blood Review

Total questions: 45

Worksheet time: 28mins

Name
Class
Date
1.

The proteins found on the surface of RBCs that allow us to type blood as A, B, O or AB are called

a)

antigens

b)

antibodies

c)

aggluntates

d)

Rh factors

2.

What is produced by your body in response to foreign antigens, such as the wrong type of blood?

a)

agglutinates

b)

clotting factors

c)

phagocytes

d)

antibodies

3.

Tyler has blood type AB+, he can donate blood to a person that has blood type?

a)

AB+

b)

AB-

c)

O-

d)

O+

4.

Laney is the universal donor, what blood type does she have?

a)

O-

b)

O+

c)

AB+

d)

AB-

5.

Destiny has blood type B, what antigen is present?

a)

None

b)

A

c)

B

d)

A and B

6.
If two parents have type AB blood, what is the probability that their child will have type O blood?
a)
0%
b)
25%
c)
50%
d)
100%
7.
What is NOT a possible genotype for someone with type B blood?
a)
IBIB
b)
IAIB
c)
IB i
8.

Which of the following codes for blood type O?

a)

IA IA

b)

IB i

c)

IA IB

d)

ii

9.

If your blood type is Rh + (such as A+) then you have _____ on your red blood cells.

a)

antibodies

b)

Rh antigens

c)

no Rh antigens

d)

multiple alleles

10.

How much blood does an adult have?

a)

5 liters

b)

10 liters

c)

8 liters

d)

20 liters

11.

What is blood made of?

a)

oxygen and plasma

b)

red blood cells and white blood cells

c)

plasma, red blood cells, white blood cells, and platelets.

d)

plasma and platelets

12.

Why do platelets clump together?

a)

to produce oxygen

b)

to reduce oxygen

c)

to produce blood loss

d)

to reduce blood loss

13.

What part of the blood destroys dead and damaged cells?

a)

White blood cells

b)

red blood cells

c)

platelets

d)

pathogens

14.

What does a transfusion replace?

a)

lost body temperature

b)

lost blood

c)

lost antibodies

d)

lost pathogens

15.

This substance is a mixture of water, minerals, sugars, nutrients, proteins, and other substances.

a)

lymph nodes

b)

white blood cells

c)

plasma

d)

platelets

16.
What are Leukocytes?
a)
Red blood cells
b)
White blood cells
c)
Platelets
d)
Plasma
17.

The smaller droplets of blood around the main drop are called

a)

satellites

b)

spikes

c)

blips

d)

castoff

18.

A blood drop that falls straight down would probably have a ______ shape

a)

round

b)

oval

c)

elongated

19.

This blood pattern was most likely caused by

a)

cast off

b)

transfer

c)

arterial spray

d)

radial projection

20.

These droples indicate blood that was dropped at different

a)

heights

b)

directions

c)

angles

d)

speeds

21.
What blood stain pattern is created or formed by the force of gravity acting alone?
a)
Passive Drop
b)
Low Velocity Impact Spatter
c)
Flow Pattern
d)
Drip Pattern
22.
What blood spatter pattern is seen in the picture?
a)
Flow Pattern
b)
Low Velocity Impact Spatter
c)
Pool
d)
Drip Pattern
23.
What blood spatter pattern is created when a source of blood remains stationary over a surface causing an accumulation of blood?
a)
Saturation
b)
Flow
c)
Pool
d)
Drip Pattern
24.
What blood spatter pattern is seen in the picture?
a)
Transfer/Contact
b)
Swipe
c)
Wipe
d)
Saturation
25.
What blood spatter pattern is seen in the photo?
a)
Wipe
b)
Swipe
c)
Walking Drip
d)
Flow
26.
What bloodstain pattern is created when an object moves through an existing stain, removing or altering its appearance?
a)
Swipe
b)
Walking Drip
c)
Wipe
d)
Contact
27.
What bloodstain pattern is created when blood is released or thrown from a blood-bearing object?
a)
Cast-Off
b)
Walking Drip
c)
Medium Velocity
d)
Void
28.
What type of blood spatter is typically created from a gunshot?
a)
Medium Velocity
b)
High Velocity
c)
Cast-Off
d)
Void
29.
What blood spatter pattern is seen in the picture?
a)
Cast Off
b)
Medium Velocity
c)
Void
d)
High Velocity
30.
From what angle was this blood most likely dropped?
a)
90°
b)
70°
c)
30°
d)
10°
31.
Which one of these was dropped from the biggest angle?
a)
1 (top left)
b)
4 (top right)
c)
7 (bottom left)
d)
9 (bottom right)
32.
How does the velocity of impact change the blood stain pattern?
a)
Higher velocity, larger diameter
b)
higher velocity, smaller diameter
c)
lower velocity, smaller diameter
d)
Medium velocity, small diameter
33.
Which letter best shows the convergence point (origin point)?
a)
A
b)
B
c)
C
d)
D
34.
What blood spatter pattern is seen in the picture?
a)
Medium Velocity
b)
Expirated Blood
c)
Low Velocity
d)
Arterial Spurt
35.

Blood typing is less expensive and quicker for analyzing blood evidence than DNA profiling. Since many different people share the same type, this blood evidence is considered to be:

a)

trace evidence

b)

biological evidence

c)

individual evidence

d)

class evidence

36.

Which test can determine if blood found at a crime scene is human?

a)

Luminol

b)

ELISA

c)

Kastle - Meyer

d)

Humo - Hemo

37.

Luminol is a chemical used to...

a)

Illuminate or glow if blood is present

b)

Detect if the blood is from a human or not

c)

Determine the blood type of an individual

d)

Preform a White Blood Cell count

38.

The spatter pattern that is created when a blood covered instrument is raised or swung backwards.

a)

Smears

b)

Cast Off

c)

Arterial Gushes

d)

Lines of Convergence

39.

The universal receiver is:

a)

Blood type AB

b)

Blood type O

40.

Which of the following are chambers of the heart?

a)

Valves

b)

Atrium and ventricle

c)

Arteries and veins

d)

Sinoatrial nerve

41.

Which of the following would NOT be a reagent in a presumptive test for blood?

a)

Kastle-Meyer

b)

Luminol

c)

Benzidine

d)

Hemoglobin

42.

The reagent used in presumptive tests for blood could react to

a)

Kastle-Meyer

b)

Luminol

c)

Benzidine

d)

Hemoglobin

43.

Blood always travels in the direction of the applied force.

a)

true

b)

false

44.

BPA is considered ______.

a)

class evidence

b)

individual evidence

c)

both

d)

neither

45.

The reagent, luminal, in presumptive tests for blood could react to

a)

Kastle-Meyer

b)

oxygen

c)

iodine

d)

iron

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