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phlebotomy 170 > Chapter 5 And 6 Homework > Flashcards

Chapter 5 And 6 Homework Flashcards

1
Q

Leukocyte function

A

Destroy pathogens

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2
Q

WBC formation

A

In bone marrow (hematopoiesis)

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3
Q

WBC size and shape

A

7-20 micrometers
Granular or agranular
Vary by type

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4
Q

WBC life span

A

6-8 hour in blood stream
Days-years in tissue

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5
Q

WBC normal values

A

5k-10k per microliter

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6
Q

WBC removal

A

Macrophages, spleen
Reticuloendothelial system

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7
Q

RBC function

A

Cellular respiration

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8
Q

RBC formation

A

Bone marrow

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9
Q

RBC size/shape

A

Bioconcave
7-8 micrometers long
2 micrometers thick

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10
Q

RBC lifespan

A

120 days

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11
Q

RBC normal values

A

4.0-6.0 microliters

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12
Q

RBC removal

A

Disintegrate and removed by phagocytic cells. Spleen

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13
Q

Platelet function

A

Coagulation

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14
Q

Platelet formation

A

Megakaryocytes
Bone marrow

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15
Q

Platelet size and shape

A

Small discoid
2-4 microliters

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16
Q

Platelet lifespan

A

10 days

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17
Q

Platelet normal values

A

150-450x10^3

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18
Q

Platelet removal

A

Spleen

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19
Q

What contents are in an anticoagulated tube after being spun

A

Plasma, buffy coat, and RBC

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20
Q

What is in a buffy coat

A

WBC and platelets

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21
Q

What is in nonanticoagulated blood tubes

A

Serum, separator gel, clotted blood

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22
Q

What tube tops are nonanticoagulated

A

Red, gold, tiger

23
Q

What percentage of blood is formed elements

A

45

24
Q

What is in clotted blood

A

RBC
WBC
PLT
Fibrinogen

25
Q

What percentage of blood is plasma or serum

A

55

26
Q

Right atrium function

A

Receives deoxygenated blood
Venus

27
Q

Right ventricle function

A

Pumps blood into pulmonary artery

28
Q

Left atrium function

A

Receives blood from lungs
Arterial

29
Q

Left ventricle function

A

Pumps blood into aorta

30
Q

The right half of the heart carries

A

Deoxygenated blood

31
Q

The left half of the heart carries

A

Oxygenated blood

32
Q

Blood from the right atrium gets pumped into

A

The right ventricle

33
Q

Blood from the left atrium gets pumped into

A

The left ventricle

34
Q

Blood from the right ventricle gets pumped into

A

The lungs via the pulmonary artery

35
Q

Blood from the left ventricle gets pumped into the

A

Aorta

36
Q

Pericardium description and function

A

Outer layer
Consists of two layers
Epicardium as external surface; parietal pericardium as a membrane encasing the heart

37
Q

Endocardium description and function

A

Inner layer. Thin layer of epithelial cells continuous with blood vessel lining. Lines interior chamber and valves

38
Q

Myocardium description and function

A

Middle layer. Thick cardiac muscle. Contracts to pump blood into arteries.

39
Q

List the three veins most commonly used by phlebotomists

A

Median cubital
Cephalic
Basilic

40
Q

If a serum requires serum rather than plasma, what tubes should be collected?

A

Red or yellow

41
Q

If a test requires heparin plasma, what color tube should be collected

A

Green

42
Q

A CBC is in what tube color

A

Purple

43
Q

Most anticoagulants prevent blood from clotting by binding

A

Calcium

44
Q

Most routine blood collection in the lab involves collecting blood from

A

The anticubital fossa

45
Q

Blood vessels that carry deoxygenated blood back to the heart are called

A

Veins

46
Q

Blood vessels that carry oxygenated blood away from the heart are called

A

Arteries

47
Q

K oxalate binds

A

Calcium

48
Q

Heparin can be

A

Na, NH4 (ammonium), or Li

49
Q

Sodium floride function

A

Preserve glucose

50
Q

Na Citrate binds

A

Calcium

51
Q

Difference between plasma and serum

A

Plasma contains fibrinogen, serum doesn’t

52
Q

The upper chamber of the heart is the

A

Atrium

53
Q

The term buffy coat refers to

A

The middle layer of platelets and white blood cells

phlebotomy 170 (15 decks)

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