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40 Cards in this Set
- Front
- Back
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Functions of the blood include all of the following except
a. transport of nutrients and wastes b. generation of body heat c. restricting fluid loss d. body defense |
b. generation of body heat
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Blood is composed of all of the following except
a. plasma b. formed elements c. blood cells d. interstitial fluid |
d. interstitial fluid
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The formed elements of blood include
a. blood cells b. clotting proteins c. defense proteins d. lipoproteins |
a. blood cells
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The combination of plasma and formed elements is called
a. serum b. lymph c. whole blood d. extracellular fluid |
c. whole blood
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Fresh whole blood for testing in a laboratory is usually collected from
a. the heart b. a superficial artery c. a superficial vein d. a capillary |
c. a superficial vein
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Each of the following is a characteristic of whole blood except a
a. temperature of approximately 38 degrees Celsius b. viscosity about the same as water c. pH of 7.4 d. bright red color if taken from an artery |
b. viscosity about the same as water
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Serum is
a. the same as blood plasma b. plasma minus the formed elements c. plasma minus the proteins d. plasma minus the fibrinogen |
d. plasma minus the fibrinogen
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The most abundant proteins in blood plasma are
a. globulins b. transport proteins c. albumins d. lipoproteins |
c. albumins
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Plasma proteins that are important in body defense are the
a. albumins b. fibrinogens c. immunoglobulins d. lipoproteins |
c. immunoglobulins
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Plasma proteins that are necessary for blood clotting are the
a. albumins b. fibrinogens c. immunoglobulins d. lipoproteins |
b. fibrinogens
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Red blood cells are formed in
a. the liver b. the spleen c. red bone marrow d. yellow bone marrow |
c. red bone marrow
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Stem cells responsible for the production of most white blood cells originate in the
a. liver b. thymus c. red bone marrow d. spleen |
c. red bone marrow
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Red blood cell production is regulated by the hormone
a. thymosin b. angiotensin I c. erythropoietin d. cobalamin |
c. erythropoietin
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Which of the following statements concerning red blood cells is false?
a. Red blood cells are biconcave discs. b. Red blood cells lack mitochondria. c. Red blood cells have a large nucleus. d. Red blood cells are specialized for carrying oxygen. |
c. Red blood cells have a large nucleus.
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The average life span of an RBC is
a. 1 week b. 1 month c. 1 year d. 120 days |
d. 120 days
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The function of RBCs is to
a. remove carbon dioxide from active cells b. remove nitrogenous wastes from active tissues c. carry oxygen from the lungs to the body's cells d. defend the body against infectious organisms |
c. carry oxygen from the lungs to the body's cells
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Over 95% of the protein in a red blood cells is
a. albumin b. hemoglobin c. collagen d. fibrinogen |
b. hemoglobin
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The function of hemoglobin is to
a. carry oxygen b. protect the body against infectious agents c. aid in the process of blood clotting d. carry nutrients from the intestine to the body's cells |
a. carry oxygen
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An anemia that is caused by failure of the bone marrow to produce new red blood cells is called ______ anemia.
a. pernicious b. dietary c. hemorrhagic d. aplastic |
d. aplastic
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Aged and damaged erythrocytes are broken down by the
a. spleen b. thymus gland c. kidneys d. lungs |
a. spleen
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The waste product bilirubin is produced from
a. globin chains of hemoglobin b. portions of heme molecules that contain iron c. portions of heme molecules that do not contain iron d. glucagon |
c. portions of heme molecules that do not contain iron
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Most of the iron that is removed from degraded hemoglobin is
a. excreted by the kidneys b. excreted by the liver c. recycled to the bone marrow d. stored in the yellow bone marrow |
c. recycled to the bone marrow
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In adults, red bone marrow is located in the
a. sternum and ribs b. diaphyses of long bones c. body of vertebrae d. all of the above e. a and c only |
e. a and c only
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Erythrocytes are formed from stem cells called
a. hemocytoblasts b. reticulocytes c. band cells d.eosinophils |
a. hemocytoblasts
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Erythropoiesis increases when
a. oxygen levels in the blood increase b. oxygen levels in the blood decrease c. carbon dioxide levels in the blood increase d. carbon dioxide levels in the blood decrease |
b. oxygen levels in the blood decrease
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The percentage of whole blood occupied by cellular elements is the
a. viscosity b. specific gravity c. packed volume d. hematocrit |
d. hematocrit
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A person's blood type is determined by the
a. size of red blood cells b. shape of red blood cells c. chemical character of the hemoglobin d. presence or absence of specific molecules on the cell membrane |
d. presence or absence of specific molecules on the cell membrane
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White blood cells that release histamine at the site of an injury are
a. neutrophils b. basophils c. eosinophils d. monocytes |
b. basophils
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_________ are large phagocytic white blood cells that spend most of their time outside of the blood as fixed and free phagocytic cells.
a. Neutrophils b. Eosinophils c. Basophils d. Monocytes |
d. Monocytes
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White blood cells that are important in producing antibodies are the
a. neutrophils b. lymphocytes c. eosinophils d. monocytes |
b. lymphocytes
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Platelets function in all of the following except
a. dissolving a formed clot b. forming temporary patches in injured areas c. initiating the clotting process d. contraction after clot formation |
a. dissolving a formed clot
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Platelets are
a. large cells that lack a nucleus b. small cells that lack a nucleus c. fragments of large megakaryocyte cells d. small cells with lobed nuclei |
c. fragments of large megakaryocyte cells
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The main event of the platelet phase is
a. vascular spasm b. activation of fibrinogen c. clot retraction d. formation of the platelet plug |
d. formation of the platelet plug
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Most of the procoagulants that are required for clotting are synthesized by
a. platelets b. megakaryocytes c. the liver d. the kidneys |
c. the liver
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The extrinsic pathway of coagulation is activated by the
a. sticking of platelets to damaged tissue b. activation of a proenzyme exposed to collagen c. release of tissue factor by damaged endothelium d. release of heparin from the liver |
c. release of tissue factor by damaged endothelium
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The process of fibrinolysis
a. activates fibrinogen b. draws torn edges of damaged tissue closer together c. dissolves clots d. forms emboli |
c. dissolves clots
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Which of the following vitamins is needed for the formation of clotting factors?
a. vitamin A b. vitamin B c. vitamin K d. vitamin D |
c. vitamin K
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Which of the following situations would probably not result in anemia?
a. hemorrhage b. liver disease c. lack of vitamin B 12 in the diet d. disease of the red bone marrow |
b. liver disease
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During a viral infection you would expect to see increased numbers of
a. neutrophils b. eosinophils c. basophils d. lymphocytes |
d. lymphocytes
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When a person who lives in a city at sea level vacations in the Rocky Mountains, you would expect to observe an increase in
a. the number of platelets in their blood b. the number of lymphocytes in their blood c. their red blood cell count d. their white blood cell count |
c. their red blood cell count
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