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slides for blood
66問 • 1年前
  • Leslie Munoz Diaz
  • 通報

    問題一覧

  • 1

    What does blood circulate

    nutrients and oxygen, removes wastes, fights infection

  • 2

    What is in the composition of blood

    cells, plasma, RBC, WBC, Platelets

  • 3

    at is another term for red blood cells

    erythrocytes

  • 4

    What is another term for white blood cells

    leukocytes

  • 5

    What is hemoglobin

    RBC

  • 6

    What is DNA

    WBC

  • 7

    What is the proteins

    plasma

  • 8

    What is the blood group antigen

    RBC

  • 9

    How do you test if it is human or animal blood?

    precipitin test

  • 10

    What is the precipitin test made of

    serum made in rabbit

  • 11

    What does the serum of the precipitin test contain

    antibodies against human blood

  • 12

    If the sample is positive for human blood in the precipitin test how do you know?

    a cloudy precipitate will form where the 2 layers meet

  • 13

    What are antibodies

    are proteins secreted by WBCs that attach to antigens to destroy them

  • 14

    What are antigens

    molecules or cells that react to antibodies

  • 15

    If you have blood type A what antigens do you have

    A

  • 16

    If you have blood type B what antigens do you have

    B

  • 17

    If you have blood type AB what antigens do you have

    A,B

  • 18

    If you have blood type O what antigens do you have

    none

  • 19

    If you have blood type A what antibodies do you have

    B

  • 20

    If you have blood type B what antibodies do you have

    A

  • 21

    If you have blood type AB what antibodies do you have

    none

  • 22

    If you have blood type O what antibodies do you have

    AB

  • 23

    If you mix A blood and B blood, what will happen?

    agglutination

  • 24

    What is agglutination essentially

    clumping of RBCs

  • 25

    Blood typing

    think the table with the control

  • 26

    What is the answer

    A-positive

  • 27

    What is the blood type

    O-positive

  • 28

    What are the presumptive tests for blood

    hydrogen peroxide, Adler test, Kastle Meyer test. Malachite green, Hemastix

  • 29

    What is a presumptive test for invisible blood

    chemiluminescence, fluorescence, luminol

  • 30

    At will luminol solution produce

    a faint blue light

  • 31

    Blood spatter analysis (BPA) is the use of

    physics and math to interpret blood stain patterns to solve a crime

  • 32

    What is another definition of BPA

    a technique that seeks to piece together the events that caused bleeding

  • 33

    What are some of the important crime scene facts which may be determined using blood spatter analysis?

    the number of blows, the position of the victim, movement of the victim, what the weapon was like, the distance between surface and origin of blood, the points of origin, movement and direction, type of direction

  • 34

    Bloodstain patterns are considered _____ evidence in a courtroom

    circumstantial

  • 35

    Who was the person who analyzed the bloodstain pattern from the Samuel Sheppard case

    Paul Kirk

  • 36

    What is the angle of impact

    angle at which blood strikes a target surface

  • 37

    What is bloodstain transfer

    when a bloody object comes into contact with a surface and leaves a patterned blood image on the surface.

  • 38

    What is Backspatter

    blood that is directed back toward the source of energy

  • 39

    What is cast off

    blood that is thrown from an object in motion

  • 40

    What is the point of origin- area of convergence

    3D view using lines of convergence and angles of impact at least 2 drops of blood to identify the source and location of blood spatter

  • 41

    What is the point of origin- area of convergence use to identify the source and location of blood spatter

    two different drops of blood, lines of convergence, angles of impact

  • 42

    What is satellite drop of blood

    secondary drop formed when some blood breaks free from the main contact drop of blood

  • 43

    What is swipe

    wet blood is transferred to a surface that did not have blood on it

  • 44

    What is wipe

    a non blood object moves through a wet bloodstain

  • 45

    Directionality

    relates to the direction a drop of blood travels in space from its point of origin

  • 46

    What is terminal velocity

    the greatest speed to which a free falling drop of blood can accelerate in air.

  • 47

    A free falling drop of blood forms a

    sphere or ball

  • 48

    A blood droplet remains spherical in space until it collides with a _____

    surface

  • 49

    A spherical drop will break when

    it hits another object, when acted upon by some force

  • 50

    What are some factors affecting shape of blood droplet?

    texture of the target surface.

  • 51

    On clean glass or plastic blood droplet has

    smooth outside edges

  • 52

    On rough surface blood droplet has

    spines, scalloping on the edges

  • 53

    What is another factor affect shape of blood droplet?

    height

  • 54

    What is another factor affect shape of blood droplet?

    velocity

  • 55

    Passive bloodstains are

    drops created by the force of gravity acting alone.

  • 56

    Medium velocity bloodstains are produce with

    more energy or force than gravity (more than 25 ft/sec)

  • 57

    High velocity blood stains

    the force necessary to produce this size spatter is greater than 100 ft per second

  • 58

    Example of passive blood stains

    a nose bleed

  • 59

    Example of medium velocity blood stain

    a punch

  • 60

    Example of high velocity bloodstain

    gunshot, explosion (mist like)

  • 61

    What are the six patterns of BPA

    passive drops, arterial gushes, splashes, smears, trails, pools

  • 62

    What is another factor affect shape of blood droplet?

    angle of impact

  • 63

    If the blood drop falls straight down at a 90 degree angle it is

    round

  • 64

    If a blood droplet elongates as the angle decreases from 90 to 0 it is

    elliptical

  • 65

    How can you determine the impact angle

    width/length (arcsin)

  • 66

    The are of convergence

    is the point of origin,

  • Chp 9

    Chp 9

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    Chp 9

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    Chp 11

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    問題一覧

  • 1

    What does blood circulate

    nutrients and oxygen, removes wastes, fights infection

  • 2

    What is in the composition of blood

    cells, plasma, RBC, WBC, Platelets

  • 3

    at is another term for red blood cells

    erythrocytes

  • 4

    What is another term for white blood cells

    leukocytes

  • 5

    What is hemoglobin

    RBC

  • 6

    What is DNA

    WBC

  • 7

    What is the proteins

    plasma

  • 8

    What is the blood group antigen

    RBC

  • 9

    How do you test if it is human or animal blood?

    precipitin test

  • 10

    What is the precipitin test made of

    serum made in rabbit

  • 11

    What does the serum of the precipitin test contain

    antibodies against human blood

  • 12

    If the sample is positive for human blood in the precipitin test how do you know?

    a cloudy precipitate will form where the 2 layers meet

  • 13

    What are antibodies

    are proteins secreted by WBCs that attach to antigens to destroy them

  • 14

    What are antigens

    molecules or cells that react to antibodies

  • 15

    If you have blood type A what antigens do you have

    A

  • 16

    If you have blood type B what antigens do you have

    B

  • 17

    If you have blood type AB what antigens do you have

    A,B

  • 18

    If you have blood type O what antigens do you have

    none

  • 19

    If you have blood type A what antibodies do you have

    B

  • 20

    If you have blood type B what antibodies do you have

    A

  • 21

    If you have blood type AB what antibodies do you have

    none

  • 22

    If you have blood type O what antibodies do you have

    AB

  • 23

    If you mix A blood and B blood, what will happen?

    agglutination

  • 24

    What is agglutination essentially

    clumping of RBCs

  • 25

    Blood typing

    think the table with the control

  • 26

    What is the answer

    A-positive

  • 27

    What is the blood type

    O-positive

  • 28

    What are the presumptive tests for blood

    hydrogen peroxide, Adler test, Kastle Meyer test. Malachite green, Hemastix

  • 29

    What is a presumptive test for invisible blood

    chemiluminescence, fluorescence, luminol

  • 30

    At will luminol solution produce

    a faint blue light

  • 31

    Blood spatter analysis (BPA) is the use of

    physics and math to interpret blood stain patterns to solve a crime

  • 32

    What is another definition of BPA

    a technique that seeks to piece together the events that caused bleeding

  • 33

    What are some of the important crime scene facts which may be determined using blood spatter analysis?

    the number of blows, the position of the victim, movement of the victim, what the weapon was like, the distance between surface and origin of blood, the points of origin, movement and direction, type of direction

  • 34

    Bloodstain patterns are considered _____ evidence in a courtroom

    circumstantial

  • 35

    Who was the person who analyzed the bloodstain pattern from the Samuel Sheppard case

    Paul Kirk

  • 36

    What is the angle of impact

    angle at which blood strikes a target surface

  • 37

    What is bloodstain transfer

    when a bloody object comes into contact with a surface and leaves a patterned blood image on the surface.

  • 38

    What is Backspatter

    blood that is directed back toward the source of energy

  • 39

    What is cast off

    blood that is thrown from an object in motion

  • 40

    What is the point of origin- area of convergence

    3D view using lines of convergence and angles of impact at least 2 drops of blood to identify the source and location of blood spatter

  • 41

    What is the point of origin- area of convergence use to identify the source and location of blood spatter

    two different drops of blood, lines of convergence, angles of impact

  • 42

    What is satellite drop of blood

    secondary drop formed when some blood breaks free from the main contact drop of blood

  • 43

    What is swipe

    wet blood is transferred to a surface that did not have blood on it

  • 44

    What is wipe

    a non blood object moves through a wet bloodstain

  • 45

    Directionality

    relates to the direction a drop of blood travels in space from its point of origin

  • 46

    What is terminal velocity

    the greatest speed to which a free falling drop of blood can accelerate in air.

  • 47

    A free falling drop of blood forms a

    sphere or ball

  • 48

    A blood droplet remains spherical in space until it collides with a _____

    surface

  • 49

    A spherical drop will break when

    it hits another object, when acted upon by some force

  • 50

    What are some factors affecting shape of blood droplet?

    texture of the target surface.

  • 51

    On clean glass or plastic blood droplet has

    smooth outside edges

  • 52

    On rough surface blood droplet has

    spines, scalloping on the edges

  • 53

    What is another factor affect shape of blood droplet?

    height

  • 54

    What is another factor affect shape of blood droplet?

    velocity

  • 55

    Passive bloodstains are

    drops created by the force of gravity acting alone.

  • 56

    Medium velocity bloodstains are produce with

    more energy or force than gravity (more than 25 ft/sec)

  • 57

    High velocity blood stains

    the force necessary to produce this size spatter is greater than 100 ft per second

  • 58

    Example of passive blood stains

    a nose bleed

  • 59

    Example of medium velocity blood stain

    a punch

  • 60

    Example of high velocity bloodstain

    gunshot, explosion (mist like)

  • 61

    What are the six patterns of BPA

    passive drops, arterial gushes, splashes, smears, trails, pools

  • 62

    What is another factor affect shape of blood droplet?

    angle of impact

  • 63

    If the blood drop falls straight down at a 90 degree angle it is

    round

  • 64

    If a blood droplet elongates as the angle decreases from 90 to 0 it is

    elliptical

  • 65

    How can you determine the impact angle

    width/length (arcsin)

  • 66

    The are of convergence

    is the point of origin,