Mastering A&P Activity #3
Red blood cells (RBCs) are removed from the circulation after about __________. 1 day 120 days 30 days 1 year
120 days
Plasma makes up approximately what percentage of whole blood? 45% 38% 55% 65%
55%
The formed elements of blood consist of _________. red blood cells white blood cells platelets All of these are formed elements of blood.
All of the above
A person with a type A positive blood type can safely receive blood from all of these donors except __________. O positive A negative B positive A positive
B positive
Which of the pathways shown above will occur within a damaged vessel? The intrinsic, extrinsic, and common pathways all occur Both the intrinsic and the common pathways Only the common pathway Only the intrinsic pathway
Both the intrinsic and the common pathways
During fibrinolysis __________. damaged tissue is pulled together emboli form clots slowly dissolve fibrinogen is activated
Clots slowly dissolve
The complex process that leads to the formation of fibrin from fibrinogen is called __________. syneresis coagulation fibrinogenesis platelet adhesion
Coagulation
The common pathway in coagulation ends with __________. positive feedback of thrombin formation release of PF-3 adhesion of platelets to a damaged vessel wall conversion of soluble fibrinogen to insoluble fibrin
Conversion of soluble fibrinogen to insoluble fibrin
Which of these phases is not part of hemostasis? erythropoiesis phase platelet phase coagulation phase vascular phase
Erythropoiesis phase
Serum can't coagulate because the __________ has been removed. immunoglobulin albumin protein C fibrinogen
Fibrinogen
The most abundant protein in blood is __________. fibrinogen hemoglobin albumin immunoglobulin
Hemoglobin
What component of hemoglobin is indicated by the red arrow? Heme Globin Oxygen Iron
Iron. Iron is in the middle of each heme.
What is the role of transferrin in the cycle shown above? It transports iron ions in the plasma. It activates marrow to increase RBC production. It combines with heme to form hemoglobin It binds to bilirubin for excretion.
It transports iron ions in the plasma
Which of the formed element stem cells is developmentally the most different from the others? Lymphoblast Megakaryoblast Erythroblast Monoblast
Lymphoblast
The agranular leukocyte (agranulocyte) that is capable of phagocytosis is the __________. monocyte eosinophil lymphocyte neutrophil
Monocyte
The largest white blood cell in circulation is the __________. neutrophil eosinophil lymphocyte monocyte
Monocyte
The white blood cell type that most rapidly increases in number after a bacterial infection is the __________. lymphocytes monocytes neutrophils eosinophils
Neutrophils
Which of these is not a surface antigen found on red blood cells? O A B Rh
O
Blood consists of?
Plasma and formed elements
what are the percent composition of blood?
Plasma: 46-63% Formed elements: 37-54%
The enzyme that dissolves fibrin is named __________. thrombin plasmin fibrinase heparin
Plasmin
Megakaryocytes are the source of __________. RBCs most WBCs neutrophils platelets
Platelets
What evidence in this figure indicates that this is not a first pregnancy? Presence of Rh antigens on fetal blood cells Lack of Rh antigens on maternal blood cells Presence of maternal anti-Rh antibodies All of these together indicate that this is a later pregnancy
Presence of maternal anti-Rh antibodies
What are the stages of red blood cell maturation?
Proerythroblast, Basophilic erythroblast, polychromatophilic erythroblast, Normoblast, reticulocyte, mature red blood cell.
Except for the amount of __________, plasma and interstitial fluid differ little in composition. sodium ion glucose protein water
Protein
The most abundant solute in plasma is __________. protein sodium ion dissolved gases glucose
Protein
If a patient has thrombocytopenia, the best therapy is infusion of __________. plasma packed RBCs whole blood purified platelets
Purified platelets
Granulocytes are produced in __________. the lymph nodes white bone marrow the liver and spleen red bone marrow
Red bone marrow
Most of the plasma proteins required in the coagulation process are produced by __________. lymph nodes megakaryocytes platelets the liver
The liver
Except for __________, the following statements about blood are true. The viscosity is three to five times greater than water. It contains about 55% plasma. The pH is slightly acidic. It contains dissolved gases.
The pH is slightly acidic
People with type "O" blood are considered "universal donors" for transfusions because __________. their blood is plentiful in A and B agglutinins their blood lacks A and B antigens their blood lacks A and B agglutinins they usually have very strong red blood cells
Their blood lacks A and B antigens
An important function of thrombocytes is to __________. transport nutrients transport blood gases transport thrombopoietin transport clotting factors
Transport clotting factors
Red blood cells carry __________ to the lungs and __________ to the tissues. nutrients; carbon dioxide oxygen; carbon dioxide oxygen; nutrients carbon dioxide; oxygen
carbon dioxide; oxygen
__________ stimulates production of red blood cells. renin erythropoietin thymosin calcitriol
erythropoietin
Reticulocyte is a stage in the development of __________. lymphocytes neutrophils megakaryocytes red blood cells
red blood cells
The formed elements are largely produced within the __________. liver red bone marrow thymus spleen
red bone marrow
