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BioMed > Blood Evidence Test > Flashcards

Blood Evidence Test Flashcards

1
Q

Which component of blood is responsible for carrying oxygen?

A

red blood cell

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2
Q

When blood is dropped from a 90 degree angle, what is the relationship between height and spatter diameter?

A

As height increases, spatter diameter increases

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3
Q

If blood spatter has a diameter of 4.2 mm, how many cm is the spatter

A

0.42

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4
Q

_________shows the mathematical relationship between two quantities.

A

standard curve

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5
Q

if you are given x for your experiment you should be able to determine ___

A

y

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6
Q

the dependant variable is the

A

y axis

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6
Q

the independant variable is the

A

x axis

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7
Q

True or False Personal Protective Equipment (PPE) is important for the protection of Biomedical Science professionals.

A

True

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8
Q

Another term for platelets

A

thrombocytes

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9
Q

True or False The Kastle Meyer test is a commonly used Presumptive test

A

True

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10
Q

Red blood cells are

A

erthryocytes

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11
Q

What type of antigens are in type A blood?

A

A only

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12
Q

What type of antigens are in Type A blood

A

A

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13
Q

The fluid portion of blood that carries blood cells, glucose, proteins, fats, and wastes throughout the body.

A

plasma

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14
Q

Bleeding from a small cut soon stops due to the release of enzymes from

A

platelets

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15
Q

In the blood spatter experiment, the independent variable is plotted on the

A

x-axis

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16
Q

Which statement correctly describes the activities of the components of human blood shown in the diagram?

A

A transports oxygen, B starts clots, and C functions in immune response to fight infections

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17
Q

What type of antibodies are found in a person with Type AB blood?

A

No antibodies present

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18
Q

Another name for white blood cells is

A

leukocytes

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19
Q

True or False A good example of a negative control is water

A

True

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20
Q

What is the main function of white blood cells in the body?

A

Targeting pathogens and fighting off infections

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21
Q

True or False -

the only job of the erythrocytes is to carry oxygen to the cells.

A

false

22
Q

The clumping together of matching antigens and antibodies is known as

A

agglutination

23
Q

These blood cells are the protectors and help fight off disease.

A

white blood cells

24
Q

What does the following picture show?

A

The role of platelets in blood clotting

25
Q

A blood spatter analyst that is evaluating information about the “location of the blood source” is determining

A

point of origin

26
Q

What does blood transport?

A

Nutrients, oxygen, carbon dioxide

27
Q

A sample that you know should test positive is called a

A

positive control

28
Q

True or false The human body contains both red and blue blood

A

false

29
Q

Which of the following is not a function of blood?

A

to distribute neurotransmitters

30
Q

Which of the following is not a major component of blood in humans?

A

Epithelial cells

31
Q

True or False
In a blood sample, there are many more erythrocytes than leukocytes.

A

True

32
Q

Anemia is when there is a deficiency in the oxygen carrying capacity of blood. What type of blood cell would there be less of?

A

erythrocytes

33
Q

Which component of blood is responsible for helping to stop bleeding?

A

platelets

34
Q

Hemoglobins

A

containing cells that carry oxygen from the body’s lungs to the bodies tissues

35
Q

Red blood cell lifespan

A

approximately 4 months

36
Q

Iron

A

molecule responsible for the red color of blood

37
Q

which is bigger red or white blood cells and which has more

A

white blood cells are bigger than red blood cells but there are more red blood cells.

38
Q

characteristics of platelets

A

small, colorless, disk-like

39
Q

what does plasma look like

A

pale yellow fluid

40
Q

plasma consists of

A

92% water, 7% vital protiens, 1% mineral salts and sugars

41
Q

Anemia

A

a deficiency in the oxygen carrying capacity of blood

42
Q

what percentage of the population has type A blood

A

42%

43
Q

what percentage of the population has type B blood

A

10%

44
Q

what percentage of the population has type AB blood

A

4%

45
Q

what percentage of the population has type 0 blood

A

44%

46
Q

Anitbodies in group A blood

A

Anti B

47
Q

Antibodies in type B blood

A

Anti A

48
Q

Anitbodies in group AB blood

A

None

49
Q

Anitbodies in group 0 blood

A

Anti A and Anti B

50
Q

Antigens in red blood cells in type A

A

A Antigen

51
Q

Antigens in red blood cells in type B

A

B Antigen

52
Q

Antigens in red blood cells in type AB

A

A and B Antigens

53
Q

Antigens in red blood cells in type O

A

none

BioMed (12 decks)

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