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Phlebotomy Review 1 > Blood > Flashcards

Blood Flashcards

1
Q

Plasma

A

55% of blood, 90% water

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2
Q

Plasma ions

A

sodium, chloride, potassium, calcium, magnesium, bicarbonate, phosphate, sulfate

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3
Q

Serum

A

plasma without clotting factors, samples without additives

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4
Q

Formed elements

A

45% of blood, made of 99% of RBCs rest if WBCs and platelets

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5
Q

How many RBCs in a microliter of blood?

A

5 million

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6
Q

What is the life span of a RBC?

A

120 days

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7
Q

What are the products of RBCs?

A

iron, amino acids, bilirubin

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8
Q

How many WBCs in a microliter of blood?

A

5-10k

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9
Q

What is the lifespan of a WBC?

A

1 day-1 year

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10
Q

How many platelets in a microliter of blood?

A

200k

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11
Q

What is the life span of platelets?

A

9-12 days

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12
Q

Granulocytes

A

category of WBCs, neutrophils, eosinophils,basophils

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13
Q

Neutrophils

A

phagocytes, increase during bacterial infections

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14
Q

Polymorphonuclear (PMN) leukocytes

A

aka neutrophils

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15
Q

Segmented neutrophils (segs)

A

aka neutrophils

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16
Q

40-60% of WBCs

A

neutrophils

17
Q

1-3% of WBCs

A

eosinophils

18
Q

Eosinophils

A

phagocytes, eats parasites and antibody labeled foreign molecules, increase with allergies and skin/parasitic infections

19
Q

less than 1% of WBCs

A

Basophils

20
Q

Basophils

A

phagocytes, release histamines, produce heparin

21
Q

Increase in basophils means what?

A

leukemia

22
Q

Mononuclear lymphocytes

A

category of WBCs, lymphocytes, monocytes

23
Q

20-40% of WBCs

A

Lymphocytes

24
Q

Lymphocytes

A

B cells, natural killer cells, T cells

25
Q

B cells

A

produce antibodies

26
Q

Natural killer cells

A

destroys foreign and infected cells

27
Q

T cells

A

controls cellular immunity

28
Q

3-8% of WBCs

A

monocytes

29
Q

Monocytes

A

large phagocytes, signals help activate B cells to make antibodies

30
Q

Megakaryocytes

A

creates platelets in bone marrow, packages and releases them into the bloodstream

31
Q

How much blood is in the human body?

A

5-6 liters

32
Q

How much blood is taken during donations?

A

500 mL

Phlebotomy Review 1 (10 decks)

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