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35 Cards in this Set
- Front
- Back
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Except for _____________, the following statements about blood are true.
A) The pH is slightly acidic B) It contains dissolved gases C) It contains about 55% plasma D) The viscosity is 3-5 times greater than water |
A) The pH is slightly acidic (FALSE)
(The pH is slightly alkaline, or basic) |
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Plasma makes up approximately what percentage of whole blood?
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55%
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The formed elements of blood consist of _____________.
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1. Platelets
2. Red Blood Cells 3. White Blood Cells |
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Except for the amount of ___________, plasma and interstitial fluid differ little in composition.
A) protein B) sodium ion C) water D) glucose |
Protein
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Serum can't coagulate because the _____ has been removed.
A) albumin B) protein C C) fibrinogen D) immunoglobulin |
fibrinogen
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The most abundant solute in plasma is ___________.
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protein
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The most abundant protein in blood is ____________.
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Hemoglobin
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The __________ migrates from the marrow into the circulation, and is normally found in circulating blood.
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Reticulocyte
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List the Stages of RBC Maturation in order
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1. Proerythroblast
2. Basophilic Erythroblast 3. Polychromatophilic Erythroblast 4. Normoblast 5. Reticulocyte 6. Mature Red Blood Cell |
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What is in the middle of each heme?
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Iron (Fe)
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Red blood cells carry __________ to the lungs and ________ to the tissues.
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carbon dioxide; oxygen
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What is the role of transferrin in the recycling of Red Blood Cell Components?
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Transferrin transports iron ions in the plasma.
(Transferrin is a plasma protein that binds Fe2+ for transport.) |
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Red Blood Cells (RBCs) are removed from the circulation after about ___________ .
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120 days
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Reticulocyte is a stage in the development of ___________.
A) lymphocytes B) red blood cells C) megakaryocytes D) neutrophils |
Red Blood Cells
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The formed elements are largely produced within the _________.
A) spleen B) liver C) red bone marrow D) thymus |
Red Bone Marrow
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_____________ stimulates production of red blood cells.
A) renin B) erythropoetin C) calcitriol D) thymosin |
Erythropoietin
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Which of these is NOT a surface antigen found on red blood cells?
A) B B) Rh C) A D) O |
"O" is NOT a surface antigen
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People with type "O" blood are considered "universal donors" for transfusions because _____________.
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their blood LACKS both A and B antigens
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A person with a type A positive blood type can safely receive blood from all of these donors EXCEPT _____________.
A) O positive B) A Positive C) B Positive D) A Negative |
B Positive
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What evidence indicates that a pregnancy is not a first pregnancy?
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The presence of maternal anti-Rh antibodies
(Antibodies against Rh antigen are only generated after a first pregnancy) |
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The white blood cell type that most rapidly increases in number after a bacterial infection is the _____________.
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Neutrophils
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The agranular leukocyte (agranulocyte) that is capable of phagocytosis is the ____________.
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monocyte
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Granulocytes are produced in ______________.
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red bone marrow
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The largest white blood cell in circulation is the ___________.
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monocyte
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Which of the formed element stem cells is developmentally the most different from the others?
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Lymphoblast
(Lymphoid stem cells differentiate separately form the myeloid stem cell, which gives rise to all the other blood cells |
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If a patient has thrombocytopenia, the best therapy is infusion of __________.
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purified platelets
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An important function of thrombocytes is to _________________.
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transport clotting factors
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Megakaryocytes are the source of ___________.
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platelets
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Which of the pathways will occur within a damaged vessel?
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Both the Intrinsic and the Common pathways
(The intrinsic pathway is initiated within the vessel, and ends with activation of the common pathway.) |
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Most of the plasma proteins required in the coagulation process are produced by ________________.
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The Liver
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The enzyme that dissolves fibrin is named __________.
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plasmin
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The common pathway in coagulation ends with _________________.
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Conversion of soluble fibrinogen to INSOLUBLE fibrin
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The complex process that leads to the formation of fibrin from fibrinogen is called __________.
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coagulation
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During fibrinolysis __________.
A) damaged tissue is pulled together B) emboli form C) fibrinogen is activated D) clots slowly dissolve |
Clots slowly dissolve
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Which of these phases is NOT part of hemostasis?
A) Vascular Phase B) Platelet Phase C) Coagulation Phase D) Erythropoiesis Phase |
Erytrhopoiesis Phase
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