blood Flashcards

(47 cards)

1
Q

What are the components of the circulatory system?

A

Arteries
Veins
Capillaries
Lungs
Heart

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2
Q

Where does the blood from in the arteries?

A

From heart to tissue

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3
Q

Where does blood flow from in the veins?

A

From tissue to the heart

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4
Q

Capillaries allow what?

A

blood cells to enter into tissues

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5
Q

Why are capillaries able to allow blood components to get into tissues?

A

they are porous

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6
Q

Anything that affects the lungs will also?

A

affect the circulatory system

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7
Q

Blood is classed as what type of tissue?

A

connective

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8
Q

Red blood cells are developed from ?

A

Hematopoeietic stem cells

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9
Q

Red blood cells are found in?

A

bone marrow

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10
Q

Over half the blood is classed as ?

A

plasma

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11
Q

What component of the blood is essential for clotting?

A

platelets

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12
Q

Red blood cells carry what protein?

A

haemoglobin

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13
Q

Why is haemoglobin important?

A

Carry oxygen

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14
Q

Why can’t red blood cells divide?

A

no nucleus

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15
Q

Lack of RBC lead to what disease?

A

anaemia

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16
Q

Amount of oxygen to be delivered to body tissue depends on?

A

how many red blood cells you have

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17
Q

Where are antibodies found?

A

plasma

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18
Q

Where are antigens found?

A

surface of red blood cells

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19
Q

What produces antibodies?

A

immune system

20
Q

Antibodies are produced in the presence of?

21
Q

What is the name of the category system for blood types?

22
Q

What antigens are on the surface of blood group A cells?

23
Q

What antibodies are in the plasma of group A cells?

24
Q

What are the recipient blood types for blood group A?

25
Who can group A donate to?
A and AB
26
What type of antigens are found on group B cells?
B
27
What is the blood group O known as?
universal donor
28
What do group O cells lack?
no antigens
29
People with blood group O can only receive?
type O blood
30
What type of antigens do blood group AB have?
both A and B
31
What is group AB known as?
universal recipient
32
What does group AB lack?
no antibodies
33
What is agglutination?
clumping of red blood cells
34
Why does agglutination occur?
antibodies are binding to antigens
35
Where is the protein antigen RhD found?
red blood cells
36
How many blood groups are there?
8
37
How does rhesus disease occur?
condition where antibodies in a pregnant woman's blood destroy her baby's blood cells
38
define neutrophils
Are the most abundant type of white blood cells, circulate in the blood & enter tissues @ sites of infection
39
Define monocytes
immature macrophages
40
Define lymphocytes
Leukocytes (white blood cells) formed in bone marrow as stem cells.
41
If the lining of blood vessel is damaged what does this stimulate?
Stimulates platelets which become sticky and clump together to plug the damaged lining
42
How can platelets become less sticky?
drugs
43
What is plasma?
Medium that carries red blood cells, white blood cells and platelets
44
What is albumin?
plasma protein
45
What does albumin help maintain?
osmotic pressure (water balance)
46
For people who lack certain blood components what can they be given?
transfusions
47