Ch 16 Blooood Flashcards Preview

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Flashcards in Ch 16 Blooood Deck (116)
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1
Q

Which of the following is NOT a function of the blood which helps to maintain homeostasis?

A

A. Transport of hormones and enzymes
B. Regulate pH
C. Synthesis of Vitamin D
D. Clot formation

2
Q

Blood is composed of

A

Formed elements and plasma

3
Q

Formed elements make up _____________of the blood.

A

45%

4
Q

The most abundant substance in blood is

A

Water

5
Q

What protein is foundinthe plasma?

A

Albumin

6
Q

Antibodies are a class of this type of blood protein.

A

Globulin

7
Q

Which of the following is NOT an example of a formed element

A

A.PlasmaB. Red blood cellC. Platelet D. White bloodcell

8
Q

Which of the following is the most numerous formed element

A

Red blood cell

9
Q

Which formed element is involved with immunity?

A

Leukocyte

10
Q

Which formed element transports oxygen and carbondioxide?

A

Erythrocyte

11
Q

Which formed element is a cell fragment?

A

Thrombocyte

12
Q

The process of blood cell production is called

A

Hematopoiesis

13
Q

In adults blood cell formationoccurs in the

A

Red bone marrow

14
Q

The stem cells of all formed elements is the

A

Hemocytoblast

15
Q

The development of each blood cell line is regulated by

A

Growthfactors

16
Q

Growthfactors for regeneration of red bone marrow are used to counter the effects of

A

Chemotherapy incancer treatmen

17
Q

A myeloblast differentiates into

A

A. Neutrophils B.Eosinophils C. Basophils D.All of the above are correct

18
Q

Red blood cells are

A

Biconcave

19
Q

Red blood cells live for approximately

A

120days

20
Q

One-third of the volume of the red blood cell is composed of what red pigmented protein?

A

Hemoglobin

21
Q

Hemoglobin is composed of

A

Both four polypeptides and four heme groups

22
Q

The heme group inred bloodcells contain this metal.

A

Iron

23
Q

Hemoglobin combines with __________and appears bright red in color.

A

Oxygen

24
Q

Red blood cells transport carbon dioxide boundtothe

A

Amino groups of the globin molecule

25
Q

What percent of the oxygen is transported in the bodybyred blood cells?

A

98.5%

26
Q

What percent of the carbondioxide is transported in the bodybyred bloodcells?

A

23%

27
Q

In the red blood cells, carbon dioxide combines with water to form carbonic acid which dissociates into hydrogen and bicarbonate ions. What enzyme is responsible for this reaction

A

Carbonic anhydrase

28
Q

This cell is the product of erythropoiesis and is released into the blood as an immature red blood cell

A

Reticulocyte

29
Q

Proerythroblasts differentiate into

A

Red blood cells

30
Q

Which of the following is NOT required for normal red blood cell production bythe bone marrow?

A

A. Iron B. Folate C. Vitamin B12 D.All of the above are needed for normal red blood cell production

31
Q

In response to low oxygen levels in the blood, the kidneys will release this glycoprotein

A

Erythropoietin

32
Q

Old,abnormal or damaged red blood cells are removed from the bloodbymacrophages of which of the following organs?

A

Liver and spleen

33
Q

Old heme molecules are removed from the body in the form of

A

Bile pigments in the feces

34
Q

This formed element has a nucleus.

A

Leukocyte

35
Q

Leukocytes lack

A

A. A nucleus B. Organelles C. Cytoplasm D.Hemoglobin

36
Q

Which of the following is NOT an example of a white bloodcell?

A

A. Lymphocyte B.Thrombocyte C.Neutrophil D.Monocyte

37
Q

Which of these leukocytes is an agranulocyte?

A

Monocyte

38
Q

This white blood cell phagocytizes microorganisms and becomes a macrophage in the tissue.

A

Monocyte

39
Q

This leukocyte is an example of a granulocyte.

A

Basophil

40
Q

This white blood cell phagocytizes microorganisms.

A

Neutrophil

41
Q

This is the accumulation of dead neutrophils, cell debris and fluid.

A

Pus

42
Q

Which leukocyte has large granules that stain blue-purple?

A

Basophil

43
Q

This leukocyte releases histamine and heparin.

A

Basophil

44
Q

This leukocyte has granules that stain orange-red or bright red.

A

Eosinophil

45
Q

This white blood cell attacks worm parasites.

A

Eosinophil

46
Q

This leukocyte produces antibodies.

A

Lymphocyte

47
Q

The precursor cells of platelets are the

A

Megakaryocytes

48
Q

Which cell fragment is important in preventing blood loss?

A

Thrombocyte

49
Q

Which of the following is involved in preventing blood loss?

A

A. Vascular spasm
B. Platelet plug
C. Blood clotting
D. All of the above are involved in preventing blood loss

50
Q

Vascular spasm is a temporary change in the blood vessel which causes

A

Constriction

51
Q

Vascular spasm can be caused by the release of ____________ from the platelets.

A

Thromboxane

52
Q

Platelet plug is associated with

A

Platelet adhesion

53
Q

What will stop blood loss from small tears in the blood vessels?

A

Platelet plugs

54
Q

Aspirin inhibit the synthesis of

A

Thromboxane

55
Q

When a blood vessel has a large tear and is severely damaged, which one of the following mechanisms is activated?

A

Blood clotting or coagulation

56
Q

What structure contains a network of fibrin fiber that trap blood cells, platelets and fluid?

A

Blood clot

57
Q

Blood clotting requires the presence of these proteins in the blood.

A

Clotting factors

58
Q

Damage to the tissue may activate this pathway of blood clotting.

A

Extrinsic pathway

59
Q

Damage to a blood vessel may activate this pathway of blood clotting.

A

Damage to a blood vessel may activate this pathway of blood clotting.

60
Q

This pathway of blood clotting involves factor X, factor V, platelet phospholipids and Ca2+.

A

Common pathway

61
Q

The formation of a blood clot is dependent on the synthesis of

A

Fibrin

62
Q

Blood clotting requires

A

A. Thrombin
B. Fibrinogen
C. Fibrin
D. All of the above are required for blood clotting

63
Q

The human body produces a number of anticoagulants. Which one of the following is an anticoagulant?

A

Heparin

64
Q

An attached blood clot that forms inside of a blood vessel due to damaged blood vessel or heart wall is
called a/an

A

Thrombus

65
Q

A floating blood clot that breaks loose from inside a blood vessel is called a/an

A

Embolus

66
Q

Which of the following is NOT an anticoagulant used to treat blood clots?

A

A. Heparin
B. Coumadin
C. Warfarin
D. All of the following are anticoagulants

67
Q

The contracting of a blood clot after it formation is called

A

Clot retraction

68
Q

The squeezing out of plasma without the clotting factor during clot retraction results in the formation
of a liquid called

A

Serum

69
Q

The dissolving of a blood clot after it forms is called

A

Fibrolysis

70
Q

Which enzyme dissolves a blood clot?

A

Plasmin

71
Q

A treatment for blood loss is

A

Both transfusions and infusions can be used to treat blood loss

72
Q

A transfusion reaction is the result of

A

A. Antigen and antibody reactions
B. Agglutination
C. Hemolysis
D. All of the above cause a transfusion reaction

73
Q

Which of the following is the antigen that is found on the surface of RBCs with blood type B?

A

B antigen

74
Q

Which of the following is the antibody that is found in the plasma of blood type AB?

A

Neither anti-A nor anti-B antibodies

75
Q

Which of the following is the antibody that is found in the plasma of blood type A?

A

Anti-B antibody

76
Q

A person with blood type A can receive a transfusion with this type of blood.

A

Either A or O blood types

77
Q

A person with blood type O can receive a transfusion with this type of blood.

A

O blood type

78
Q

A person who is AB negative is

A

Type AB and Rh-negative

79
Q

When an Rh-negative mother has a second Rh-positive fetus, the fetus may develop this condition.

A

Erythroblastosis fetalis

80
Q

Hemolytic disease of the newborn can be prevented by giving an Rh-negative mother what type of
antibody injection?

A

RhoGAM

81
Q

To prevent transfusion reaction, the donor’s and recipient’s blood must be

A

Crossmatched

82
Q

his is a condition that is associated with decreased hemoglobin or RBCs or both.

A

Anemia

83
Q

A red blood cell count can be used to determine

A

Both erythrocytosis and anemia

84
Q

Anemia can be caused by a deficiency in one of the following substances?

A

A. Iron
B. Folate
C. Vitamin B12
D. All of the above are correct

85
Q

This test is the measure of the percentage of the total blood volume that is RBCs.

A

Hematocrit

86
Q

Which of the following conditions is caused by a decrease in WBCs.

A

Leukopenia

87
Q

This is cancer of white blood cells.

A

Leukemia

88
Q

Which of the following bleeding conditions is caused by a decrease in platelets.

A

Thrombocytopenia

89
Q

Blood is a type of epithelial tissue.

A

FALSE

90
Q

Serum is plasma without clotting factors.

A

TRUE

91
Q

The formed elements are erythrocytes, leukocytes and thrombocytes.

A

TRUE

92
Q

Hematopoiesis is stimulated by platelet release of erythropoietin.

A

FALSE

93
Q

Monoblasts differentiate into monocytes.

A

TRUE

94
Q

During differentiation red blood cell lose their nucleus and most of their organelles.

A

TRUE

95
Q

When hemoglobin loses oxygen, blood appears dark red.

A

TRUE

96
Q

The production of red blood cells is called leukopoiesis.

A

FALSE

97
Q

The blood marrow requires 40 days to produce a single red blood cell.

A

FALSE

98
Q

The bone marrow will increase red blood cell production in response to high blood oxygen levels.

A

FALSE

99
Q

ncreased destruction of red blood cells can lead to a yellowish staining of the skin called jaundice.

A

TRUE

100
Q

Eosinophils release histamine and heparin.

A

FALSE

101
Q

Lymphocytes are phagocytes.

A

FALSE

102
Q

Monocytes are a form of agranulocytes.

A

TRUE

103
Q

Blood clotting is caused by megakaryocytes.

A

FALSE

104
Q

Endothelin causes vascular spasms.

A

TRUE

105
Q

Blood clots are formed from fibrin.

A

TRUE

106
Q

When damaged tissue releases thromboplastin, this will activate the intrinsic pathway of blood
clotting.

A

FALSE

107
Q

Both streptokinase and t-PA are used to treat heart attacks by dissolving blood clots.

A

TRUE

108
Q

Hemolysis is the rupture of red blood cells.

A

TRUE

109
Q

A person with blood type O has no anti-A or anti-B antibodies.

A

FALSE

110
Q

The largest percentage of people are of blood type AB.

A

FALSE

111
Q

A person with blood type AB can receive any blood type.

A

TRUE

112
Q

A person with AB blood type is called a universal donor.

A

FALSE

113
Q

A complete blood count (CBC) consists of a red and white blood cell counts, analysis of hemoglobin and hematocrit and a differential white blood cell count.

A

TRUE

114
Q

Hemophilia is a genetic disease that cause abnormal or the loss of blood clotting.

A

TRUE

115
Q

Prothrombin time is a measure of how long it takes for blood to start to clot.

A

TRUE

116
Q

In response to low oxygen levels in the blood, the kidneys will release this glycoprotein.

A

Erythropoietin