Blood evidence review

Question 1

how do blood droplets stay together?

Answer 1

cohesion

Question 2

what does a toxicologist test for

Answer 2

presence of alcohol, drugs, and toxins

Question 3

why does blood droplets stick together

Answer 3

adhesion

Question 4

a blood drop at 90 degrees is

Answer 4

a circle, gravity drops

Question 5

area of convergence

Answer 5

drawing lines through blood drops to the point it originates

Question 6

calculations the area of origin of blood spatter shows

Answer 6

the height of a blood source

Question 7

what does liquid blood need to be packaged in

Answer 7

plastic container

Question 8

what percent of blood is plasma

Answer 8

55%

Question 9

dried blood needs to be packaged in

Answer 9

paper containers

Question 10

what is the liquid part of blood known as

Answer 10

Plasma

Question 11

what gives blood its red color

Answer 11

hemoglobin

Question 12

white blood cells

Answer 12

fight disease and infections in the body

Question 13

what does plasma carry

Answer 13

antibodies, hormones, clotting factors and nutrients through the body

Question 14

what do red blood cells not carry

Answer 14

DNA

Question 15

blood type cant

Answer 15

positively identify a suspect

Question 16

antigens on red blood cells

Answer 16

determine blood type

Question 17

when different blood types are mixed

Answer 17

blood clumping or agglutination can occur and result in death

Question 18

type O blood does not carry

Answer 18

antigens

Question 19

what does the kastle-meyer test indicate

Answer 19

iron is present in a possible bloodstain

Question 20

what do secretors have

Answer 20

blood-group antigens in their blood and other body fluids

Question 21

gloves are worn at crimes scenes to protect

Answer 21

a CSI and to protect evidence from CSI

Question 22

what does blood need to be kept away form

Answer 22

heat and sunlight ti keep it from growing bacteria

Question 23

a void pattern in blood is

Answer 23

produced when someone or some object blocks blood from spattering on a surface

Question 24

arterial gush indicates

Answer 24

a person has lost a large amount of blood

Question 25

angle of impact (no spine)

Answer 25

W/L =_____2nd SIN= ____

Question 26

what is the approximate location of a blood source at ground level is found

Answer 26

area of convergence