Chapter 19 Wiley Plus – Flashcards
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Blood plasma and interstitial fluid are both components of the extracellular fluid
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True
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Which of the following is true of blood in its transporting role?
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1. Carries nutrients to cells from the gastrointestinal tract
2. Transports hormones from glands to other parts of the body
3. Carries wastes products for elimination
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The substance that stimulates formation of platelets is
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Thrombopoietin
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True statement
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Hypoxia increases the secretion of erythropoietin
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Which are the most numerous white blood cells?
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Neutrophils
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The extrinsic pathway of blood clotting occurs much quicker than the intrinsic pathway
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True
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True statements
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1. Type B persons are compatible with blood types B and O
2. Type O person can only receive type O blood
3. Type AB persons can receive blood types A, B, AB, and O
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Hemolytic disease of the newborn usually does not affect the first-born child because the Rh- mother has not had a chance to build up anti-Rh antibodies to the newborn's Rh+ blood
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True
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Functions of the blood
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1. Transportation of gases, nutrients, and wastes
2. Regulation of body pH
3. Protection against disease
4. Aid in maintaining fluid homeostasis in cells
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Inappropriate us of erythropoietin by athletes may cause cardiac and vascular abnormalities as a result of increased blood viscosity
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True
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Agranular leukocytes include
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1. Lymphocytes
2. Monocytes
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Increased numbers of _ may occur in allergic reactions, parasitic infections, and some autoimmune diseases
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Eosinophils
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Which of the following contains a nucleus while in the peripheral blood?
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Megakaryocytes
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Vascular spasm, the first mechanism activated to decrease blood loss, is caused by
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1. Damage to smooth muscle
2. Substances released by activated platelets
3. Reflexes initiated by pain receptors
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Which correctly lists the sequence of events in blood clot formation?
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Activation of Factor X, formation of prothrombinase, formation of thrombin, formation of fibrin, clot retraction
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Thrombosis refers to clotting in a blood vessel that has not been broken
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True
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After testing your blood in the lab, you found that your red cells agglutinated with both anti-A and anti-B antisera. This means that you
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Have A and B antigens on your RBC
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A woman who is Rh negative and a man who is Rh positive had a child who was Rh negative. This means the child born to this couple will be at a high risk of developing hemolytic disease of the newborn.
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False
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True statements
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1. The primary circulating blood cell is the RBC
2. Blood is a liquid connective tissue consisting of cells and a liquid extracellular matrix
3. The normal average temperature of blood is around 100.4 degrees F
4. The normal pH rage for blood is 7.35-7.45
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Which of the following plasma proteins plays a role in disease resistance?
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Globulins
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Which of the following plasma proteins plays a role in blood clotting?
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Fibrinogen
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The process by which the formed elements of the blood develop is called
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Hemopoiesis
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A megakaryoblast will develop into
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A platelet
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Which of the following hormones stimulates proliferation of red blood cells in red bone marrow?
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Erythropoietin (EPO)
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The major function of red blood cells is
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Gas transport
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Which of the following blood cells release granules that intensify the inflammatory response and promote hypersensitivity (allergic) reactions?
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Basophil
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The process of a white blood cell squeezing between endothelial cells to exit a blood vessel is called
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Emigration
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Which of the following correctly lists the sequence of steps that occur during hemostasis in response to a damaged blood vessel
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Vascular spasm, platelet plug formation, clotting
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The intrinsic and extrinsic pathways of blood clotting are identical after formation of
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Prothrombinase
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Which of the following antibodies would you find in the plasma of a person with type O blood?
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Anti-A and anit-B
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When blood from a normal adult is centrifuged as shown in the figure, which of the following components occupies the greatest volume
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Plasma
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Serum is
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Plasma without the clotting factors
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The average life span of an erythrocyte in the circulation is
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120 days
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Low blood oxygen stimulates the production of erythropoietin
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True
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The target cells for erythropoietin are undifferentiated blood stem cells
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True
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The production cells for erythropoietin are bone marrow cells
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False
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Low oxygen levels are restored to homeostasis by increasing the number of erythrocytes/red blood cells
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True
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A feedback loop will end when a hormone binds to the target cell
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False
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Which of the following is the stimulus for erythropoietin?
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Low blood oxygen in the kidneys
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Feedback loops are effective because they are turned off only after
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The response has returned the system to homestasis
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Statements about blood is true
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1. Blood plasma is an extracellular matrix
2. Blood plasma is over 90% water
3. Most of the proteins found in the blood are made in the liver
4. 55% of the blood is made up of blood plasma
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True statements
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1. Hematocrit is the ratio of red blood cells found in the blood
2. Polycythemia is indicated if the hematocrit is exceptionally high
3. A monocyte is a type of white blood cell
4. Anemia may be present if there is an abnormally low number of RBCs
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Which of the following is not a factor in destroying attacking pathogens?
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Erythropoiesis
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A thrombus is
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A collection of platelets and other cells on the endothelial surface
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An ABO mismatched blood transfusion can cause acute renal failure because the
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Hemoglobin released from lysed RBC clogs the filtration membrane of kidneys
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Blood is classified as a liquid
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Connective tissue
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Which is a function of a plasma protein?
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1. They play an essential role in blood clotting
2. They help the immune system attack viruses and bacteria
3. They transport iron, lipids, and fat soluble vitamins
4. They maintain water balance between the blood and tissues
