Module 2 Cardiovascular system Flashcards

1
Q

Cardiac cycle is a

A

Heartbeat

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2
Q

Lubb and Dubb

A

lubb sound indicates the closing of the valves between the atria and ventricles and the contracting ventricles; the dubb sound indicates the closing of the semilunar valves

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3
Q

Stroke volume

A

is the volume of blood pumped from one ventricle of the heart with each beat.

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4
Q

Name 5 groups of blood vessels

A

Arteries Arterioles Capillaries Venues Veins

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5
Q

Arteries

A

Carry blood away from the heart and towards the tissues

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6
Q

Arterioles

A

Are small subdivisions of the arteries They carry blood into the capillaries

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7
Q

Capillaries

A

exchange between the blood and the body cells & between the blood and air in the lung tissues Connect the arteriolar and venules

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8
Q

Venules

A

Venues are small vessels that receive blood back from the capillaries and begin its transport back toward the heart

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9
Q

Veins

A

Vessel that bring blood back to the heart

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10
Q

The ______ delivers blood to the lungs, where carbon dioxide is eliminated and oxygen is replenished

A

Pulmonary circuit

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11
Q

The pulmonary trunk and its arterial branches carry blood from the ____ to ___

A

Right ventricle Lungs

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12
Q

The _____ carry blood back to the left atrium

A

The pulmonary veins

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13
Q

Pulmonary vessels differ from those in the systemic circuit in that the pulmonary arteries carry blood that is low in oxygen and the pulmonary veins carry blood that is high oxygen. All the remaining arteries carry highly oxygenated blood and all the remaining Viens carry blood that is low in oxygen

A

.

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14
Q

Vessels that supply nutrients and oxygen to all the tissues and carry waste material away from the tissues for disposal

A

The systemic circuit

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15
Q

The aorta Receives blood from the _____and then branches into the _____ carrying blood to the tissues

A

Left ventricle Systemic arteries

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16
Q

The pulmonary capillaries in the lungs is where _____ happens. And the systemic capillaries is where _____ happens

A

Gas exchangeMaterials are exchanged

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17
Q

The _____ carry blood back toward the heart. The venous blood flows into the right atrium of the heart through the superior vena cava and inferior vena cava

A

Systemic veins

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18
Q

What are functions of the blood

A

Transportation regulation and protection

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19
Q

Blood volume in male and females

A

4.5 L in female 5.6 L in male

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20
Q

What color is blood when oxygenated

A

Bright red

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21
Q

What color is a blood when deoxygenated

A

Dark purpleish red

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22
Q

Blood is more ___and ____than pure water

A

Viscous and dense

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23
Q

What is the normal pH range for blood

A

7.35-7.45

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24
Q

Blood is slightly warmer then

A

Body temp with a temp of 100.4

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25
Q

How much percent of the blood is plasma

A

55%

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26
Q

How much percent of the blood is leukocytes

A

Less then 1%

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27
Q

How much percent of the blood are erythrocytes

A

45%

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28
Q

Plasma is mostly

A

Water

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29
Q

_____ Is plasma from which the clotting proteins have been removed

A

Serum

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30
Q

Most plasma proteins are produced where

A

By the liver

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31
Q

Albumin is an important plasma protein because it has what functions

A

Acts as a carrier for other moleculesBuffers the bloodIs a major contributor blood osmotic pressure

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32
Q

How does albumin contribute to osmotic pressure

A

Keeps water in the blood vessels and keeps it from leaking out into tissues

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33
Q

Aside from albumin what else contributes to osmotic pressure contributes to osmotic pressure

A

Sodium ions

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34
Q

If albumin levels dropped you would likely see what

A

Edema

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35
Q

Plasma cells are a type of ___ cell

A

B

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36
Q

Plasma is ____ percent water and ____ percent protein

A

90% 7%

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37
Q

Plasma are a type of B cells and B cells make ______ in response to specific antigens and play a major role in immunity

A

Antibodies

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38
Q

Proteins produced by the liver that cause coagulation

A

Fibrinogen and prothrombin

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39
Q

What vitamin aids and blood clotting factors

A

Vitamin k

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40
Q

Where is most of the vitamin K in the body made

A

The normal flora in the intestinal tract

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41
Q

What food provides vitamin K

A

Greenleafy vegetables

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42
Q

If a person was on Coumadin what food would you restrict from their diet

A

Green leafy vegetables

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43
Q

Blood plasma regulatory substances

A

Hormones and enzymes

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44
Q

Blood plasma nutrients

A

Glucose amino acids fatty acids

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45
Q

Blood plasma electrolytes

A

Sodium potassium calcium magnesium

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46
Q

Blood plasma respiratory gases

A

Oxygen in CO2

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47
Q

What do we need to make hemoglobin

A

Iron

48
Q

Normal of erythrocytes site count

A

4.4-5 mil/ul

49
Q

Hgb is expressed in what

A

Gl/dl

50
Q

Hct is expressed in what

A

%

51
Q

erythrocytes functions

A

Transports oxygen bound to hemoglobinHemoglobin acts as what buffer

52
Q

What is the most numerous blood cell

A

( RBC )erythrocytes

53
Q

How many per milliliter are there of red blood cells (erythrocytes)

A

5 million

54
Q

Red bone marrow makes

A

Formed elements

55
Q

Yellow bone marrow makes

A

Mostly fat

56
Q

RBCs are ____ disks without ____

A

Binocave Nuclei

57
Q

Red blood cells have a lifespan of ___ days

A

120 days

58
Q

Erythropoiesis occurs in the ___ and is the process by which ________

A

Bone marrow Red blood cells are made

59
Q

Production of RBC is stimulated by

A

Erythropoietin

60
Q

Leykocytes (wbc) are ___ cells will large ____

A

Round Nuclei

61
Q

White blood cells are classified according to the characteristics of the

A

Nucleus

62
Q

The lifespan of a white blood cell is

A

A few hours to a few days

63
Q

The functions of white blood cells are _______ And include_______________________

A

Protective Destroying pathogens Producing antibodiesClean the body of Foreign material

64
Q

Normal white blood cell count

A

5,000-10,000 cells /ml

65
Q

A count more than _____ is indictive of infection

A

12,000 cells / ml

66
Q

What are two classes of leukocytes (wbc)

A

Granulocyte And agranulocyte

67
Q

What are 3 types of granulocytes

A

Neutrophils Eosinophils Basophils

68
Q

Neutrophils

A

Neutrophils are phagocytes and a first responder to acute infection

69
Q

Eosinophils

A

Allergic reactions and defense against parasites

70
Q

Basophils

A

Allergic reactions and inflammation

71
Q

Two Types of agranulocytes

A

Lymphocytes t and B cells Monocytes (marcoogages)

72
Q

Neutrophils make up but how many percent of white blood cells

A

60-70%

73
Q

What is the most abundant white blood cell

A

Neutrophils

74
Q

When I monocyte lives in the body tissue it becomes a

A

Macrophage

75
Q

T cells mature in the

A

Thymus

76
Q

Bone marrow suppression can result in low WBC count also known as

A

Thrombocytopenic anemia

77
Q

Thrombocytes

A

Platelets

78
Q

Thrombocytes functions

A

Essential in blood coagulationHelp to repair damaged blood vessels

79
Q

A normal thrombocyte count is

A

150,000-450,000/ul

80
Q

The lifespan of a thrombocyte

A

5-9 days

81
Q

It clot in the vessel is known as it

A

Thrombus

82
Q

A moving thrombus

A

Emboli

83
Q

Thrombocytopenia is

A

Not enough platelets and thus results in Ecchymosis Bleeding bruising

84
Q

Hemostasis

A

The stopping of bleeding

85
Q

What is fibrin

A

An Insoluble protein that That forms a part of the clot along with platelets

86
Q

During hemostasis injury causes the blood vessel to rupture and vascular spasms and may occur due to blood loss or pan ir chemicals from injury

A

.

87
Q

Platelet plug formation

A

Seals damage blood vessels

88
Q

Prothrombin + ca =

A

Thrombin

89
Q

Thrombin + fibrinogen =

A

Fibrin

90
Q

Fibrin + platelet plug =

A

Clot

91
Q

Plasma consists of mainly

A

water

92
Q

A mature red blood cell lacks

A

a Nucleus

93
Q

Cardiac Output

A

volume of blood being pumped by the heart, in particular by a left or right ventricle in the time interval of one minute

94
Q

White blood cells are also called

A

Leukocytes

95
Q

Process in which cells engulf microorganisms, foreign particles, or other cells

A

Phagocytosis

96
Q

Cells that are specialized to carry out Phagocytosis

A

Phagocytes

97
Q

Neutrophils are adept at seeking out and ingesting

A

Bacteria

98
Q

Prothrombin is manufactured in the _______ with the help of _____

A

Liver

Vitamin K

99
Q

When a blood clot contracts it squeezes out

A

Serum

100
Q

Red Blood cells that have specific proteins have ______ on their surfaces

A

Antigens

101
Q

Patients with O blood type are considered

A

Universal donors

102
Q

People with Type B blood have

A

Type A antibodies

103
Q

People with Type A/B have

A

both A/B antibodies

104
Q

The “LUB” is a

A

Ventricular Systole

105
Q

Blood goes from the Right atrium to the

A

Right ventricle

106
Q

Blood goes from the Right ventricle to the

A

Pulmonary Arteries

107
Q

Blood goes from the Pulmonary Arteries to the

A

Pulmonary Capillaries

108
Q

Blood goes from Pulmonary Capillaries to the

A

Pulmonary Veins

109
Q

Blood goes from Pulmonary Veins to the

A

Left atrium

110
Q

Blood that is poor in the oxygen returns from systemic circulation to the

A

Right atrium

111
Q

Describe pulmonary circulation

A

the arteries carries de-oxygenated blood to the lungs and the veins carry oxygenated blood to the heart

112
Q

Describe Systemic Circulation

A

the arteries carries oxygenated blood to the whole body and the veins carry de-oxygenated blood to the heart

113
Q

Force exerted by the blood against the inner walls of the blood vessels is defined as

A

Blood pressure

114
Q

Lymph tissue is a type of connective tissue with large numbers of

A

Lymphocytes

115
Q

Largest organ in the lymphatic system is the

A

Spleen