Blood typing and analysis Flashcards

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1
Q

red blood cells

A

carry oxygen from the lungs and deliver it throughout our body.

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2
Q

white blood cells

A

protecting your body from infection

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3
Q

plasma

A

take nutrients, hormones, and proteins to the parts of the body that need it

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4
Q

platelets

A

to prevent and stop bleeding

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5
Q

what is the relationship between antigens and antibody’s

A

When an antigen enters the body, it stimulates the immune system to produce antibodies.

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6
Q

group ‘A’ Blood type

A

has only the A antigen on red cells and B antibody in plasma

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7
Q

group ‘B’ blood type

A

has only the B antigen on red cells and A antibody in plasma

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8
Q

group ‘AB’ blood type

A

has A and B antigens on red cells( but neither a nor b antibody in plasma)

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9
Q

group O blood type

A

has neither A nor B on red cells (but both A and B antibody in plasma

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10
Q

how to determine a persons blood type

A

blood samples are mixed with A and B antibodies to see if the blood cells stick together

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11
Q

positive control

A

a group in an experiment that receives treatment with a known result

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12
Q

negative control

A

something that elicits no response when administered to the control subjects.

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13
Q

presumptive test

A

by production of color or light, indicates the presence of a body fluid

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14
Q

confirmatory test

A

performed on a different sample, or aliquot, taken from the same specimen and is used to determine the type and quantity of drug or drug metabolite present in the sample

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15
Q

hemogloblin

A

a two-way respiratory carrier, transporting oxygen from the lungs to the tissues and facilitating the return transport of carbon dioxide.

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16
Q

what is luminol

A

highly sensitive to blood, convenient to use, and nondestructive to other forms of blood testing.

17
Q

What blood type is universal acceptor

A

AB+

18
Q

what blood type is universal doner

A

O-

19
Q

describe the information that can be gained through blood spatter analysis.

A

he position of the individual when the blood was deposited (sitting, standing, etc.), the relative position of individuals at the time of bloodshed, the possible type of weapon used as well as possible mechanisms that could have