body fluid evidence (blood)

Question 1

what four things make up blood?

Answer 1

red blood cells
white blood cells
plasma
platelets

Question 2

the average adult has about … liters of blood inside of them and that blood makes up …% of their body weight

Answer 2

5
7-8%

Question 3

true or false… is blood a living tissue?

Answer 3

true

Question 4

how many red blood cells are there in 2-3 blood drops

Answer 4

about one billion

Question 5

for every … rbcs, there are … platels and … white blood cells

Answer 5

600
40
1

Question 6

how many days can a rbc live for?

Answer 6

120 days

Question 7

under low oxygen conditions the body makes more red blood cells. what can this determine?

Answer 7

elevation and location of the person

Question 8

which organism has rbcs with no nucleus?

Answer 8

humans and other mammals

Question 9

which organisms have rbcs with a nucleus

Answer 9

birds, reptiles, and lower invertebrates

Question 10

what are the three blood alleles?

Answer 10

A, B, and O

Question 11

what are the six possible blood combinations?

Answer 11

AA, AO, BB, BO, AB OO

Question 12

what would happen if a RH- mother had an RH+ baby?

Answer 12

the mother would build antibodies against the RH+ and the second baby would get hemolytic disease

Question 13

what agglutinogens (sprinkles) and agglutinin does type A have?

Answer 13

A
b

Question 14

what agglutinogens (sprinkles) and agglutinin does type B have?

Answer 14

B
a

Question 15

what agglutinogens (sprinkles) and agglutinin does type AB have?

Answer 15

A and B
none

Question 16

what agglutinogens (sprinkles) and agglutinin does type O have?

Answer 16

none
a and b

Question 17

with RH, what does (-) and (+) mean?

Answer 17

(-) does not have the protein
(+) does have the protein

Question 18

what are the eight blood types?

Answer 18

A+, A-
B+, B-
AB+, AB-
O+, O-

Question 19

who invented the early stages of blood typing and found the different types of blood?

Answer 19

Karl Landsteiner

Question 20

which blood type is the universal doner?
recipient?

Answer 20

type O (O-)
type AB (AB+)

Question 21

what are the three blood types anx what do they determine?

Answer 21

blood samples: blood type and DNA

blood droplets: location, movement of victim, and weapon

blood spatter: patterns

Question 22

what is the kastle meyer test?

Answer 22

a test used to determine whether a substance is blood or not

Question 23

what is the luminol test?

Answer 23

used to make cleaned up blood visible

Question 24

what can blood pattern analysis tell?

Answer 24

number of blows
perpetrator left or right handed
position and movement
which wounds were inflicted first
type of injuries
age of crime
was death immediate or delayed?

Question 25

what is a spatter?

Answer 25

blood stains created from the application of force to the origin of source

Question 26

what is the origin of source?

Answer 26

where the blood spatter came from/originated

Question 27

what is the angle of impact?

Answer 27

the angle at which a droplet strikes a surface

Question 28

what is a parent drop?

Answer 28

the droplets from which a satellite spatters

Question 29

what is a satellite spatter?

Answer 29

small drops that break from the parent spatter when it hits a surface

Question 30

what is a spine?

Answer 30

a pointed edge of a stain: can help determine direction of travel

Question 31

what are the four blood stain patterns?

Answer 31

passive, projected, transfer, free falling