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Yr 2 CFA Blood Basics & Evidence

Last updated about 1 month ago

28 questions

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Question 1

1.

Biology

The study of teeth

The study of living things and their DNA

The study of fingerprints

The study of plants and their cells

Question 2

2.

Bloodstain

Body fluid

Blood droplets

May be projected, passive, or transfer/contact; provides clues about what may have happened at a crime scene

Fresh blood

Question 3

3.

Physical Evidence

Hard evidence

Circumstantial evidence

Two people at the same location

Items that may be tested and examined; blood, fingerprints, toolmarks, etc.

Question 4

4.

Serologists

These scientist test bone remains from cold cases

These scientists test blood, saliva, and other body fluids to provide clues about a crime and its suspects or victims

These scientist test toxins in the body

These scientist test teeth marks left on the victims body

Question 5

5.

Toxicologists

These specialists tests body fluids and tissues to determine the presence of drugs and poisons

These scientist test bugs for development stages

These scientists test blood, saliva, and other body fluids to provide clues about a crime and its suspects or victims

These scientist test teeth marks left on the victims body

Question 6

6.

Blood

Red cells in the body

A liquid stored within the human body

Connective tissue made of plasma, erythrocytes, leukocytes, and platelets.

A liquid that all living organism have 

Question 7

7.

Erythrocytes

Red blood cells, carry oxygen

A liquid stored within the human body

A substance that is excreted from the body during exercise

A liquid used to replenish electrolytes in the human body

Question 8

8.

Hemoglobin

A protein in white blood cells

Blood Plasma

Blood

An iron-containing protein in red blood cells that reversibly binds oxygen.

Question 9

9.

Leukocytes

A rear blood disease

Red blood cells that close wounds

White blood cells, fight infection

The clotting of blood cells

Question 10

10.

Plasma

Red blood cells

White blood cells

Fluid portion of blood

Red and white blood cells combined to carry oxygen through the human body

Question 11

11.

Thrombocytes

Fluid portion of blood

White blood cells, fight infection

Another name for platelets that help form clots around wounds

An iron-containing protein in red blood cells that reversibly binds oxygen.

Question 12

12.

Blood Type

Type AB

Determined by the type of antigen present on the surface of red blood cells; inherited from parents

Type OB

Type A

Question 13

13.

Agglutinogens

Fluid portion of blood

Determined by the type of antigen present on the surface of red blood cells; inherited from parents

An iron-containing protein in red blood cells that reversibly binds oxygen.

Antigens on the surface of the red blood cells that is the basis for human blood typing

Question 14

14.

Blood Type A

Type AB antigens

Blood with A antigens and anti-B antibodies; genotype = AA or AO

Type OB antigens

Another name for platelets that help form clots around wounds

Question 15

15.

Blood Type B

Blood with B antigens and anti-A antibodies; genotype = BB or BO

Another name for platelets that help form clots around wounds

An iron-containing protein in red blood cells that reversibly binds oxygen.

Type OB antigens

Question 16

16.

Blood Type AB

Blood type with A antigens and anti-B antibodies; genotype = AA or AO

Blood type with B antigens and anti-A antibodies; genotype = BB or BO

Blood type with OB antigens

Blood with both A and B antigens, no antibodies; genotype = AB

Question 17

17.

Blood Type O

Blood type with both A and B antigens, no antibodies; genotype = AB

Blood with no antigens, A and B antibodies' genotype = OO

Blood type with OB antigens

Blood type with B antigens and anti-A antibodies; genotype = BB or BO

Question 18

18.

Universal Donor

A person with type B antigens and anti-A antibodies; genotype = BB or BO

A person with both type A and B antigens, no antibodies; genotype = AB

A person with no antigens, A and B antibodies' genotype = OO

A person with type O blood; type O blood has no antigens that can be attacked by the host's blood, so it can be donated to anyone

Question 19

19.

Universal Recipient

A person with type O blood; type O blood has no antigens that can be attacked by the host's blood, so it can be donated to anyone

A person with type AB blood; type AB blood has neither A nor B antibodies, so a universal recipient can safely receive a transfusion of any blood type

A person with no antigens, A and B antibodies' genotype = OO

A person with type B antigens and anti-A antibodies; genotype = BB or BO

Question 20

20.

Rh Factor

Refers to the presence or absence of the Rhesus antigen on red blood cells.

Low count of red blood cells in the body

Low count of white blood cells in the body

A person with no antigens, A and B antibodies' genotype = OO

Question 21

21.

Transfusion

The transfer of white blood cells

The transfer of red blood cells

The transfer of blood or a blood component from donor to recipient

The transfer of blood with OB antigens

Question 22

22.

BPA

Abbreviation that refers to the analysis of bloodstain patterns

Abbreviation that refers to the analysis of blood spatter

Abbreviation that refers to the analysis of blood droplets

Abbreviation that refers to the analysis of dried blood

Question 23

23.

Passive

Blood stains that drop from an elevated position

Blood stains that form as gravity pulls blood downward to the floor or surface; tend to be round and fat without tails

Blood stains with no antigens, A and B antibodies' genotype = OO

Blood stains with B antigens and anti-A antibodies; genotype = BB or BO

Question 24

24.

Transfer

Blood stains with no antigens, A and B antibodies' genotype = OO

Blood stains that form as gravity pulls blood downward to the floor or surface; tend to be round and fat without tails

Blood stains with B antigens and anti-A antibodies; genotype = BB or BO

Blood stains that form from a bloody object comes in contact with another object or surface; appears as smears or stripes

Question 25

25.

Impact Spatter

Blood stains that form from a bloody object comes in contact with another object or surface; appears as smears or stripes

Blood stains with B antigens and anti-A antibodies; genotype = BB or BO

Bloodstains created from the application of force to the area where the blood originated; may be classified as high, medium, or low velocity

Blood stains that drop from an elevated position

Question 26

26.

Satellite spatter

Bloodstains created from the application of force to the area where the blood originated; may be classified as high, medium, or low velocity

Small droplets of blood distributed around a drop or pool of blood as a result of the blood hitting the target surface

Blood stains that form from a bloody object comes in contact with another object or surface; appears as smears or stripes

Blood stains that form as gravity pulls blood downward to the floor or surface; tend to be round and fat without tails

Question 27

27.

Parent drop

Small droplets of blood distributed around a drop or pool of blood as a result of the blood hitting the target surface

Blood stains with B antigens and anti-A antibodies; genotype = BB or BO

The droplet from which a satellite spatter originates

Blood stains that form from a bloody object comes in contact with another object or surface; appears as smears or stripes

Question 28

28.

Physics

The acceleration of an object depends on the mass of the object and the amount of force applied; more force applied to a blood pool may result in a larger spatter pattern

Blood on a surface will not move or stop moving unless acted upon by an unbalanced force

Science involved in analyzing blood stain patterns to determine point of origin, angles of impact, velocity, & other factors that can provide clues about a crime

Blood on a surface indicating a high impact strike