Bio Ch18c

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  1. Which of the following is a pivotal molecule associated with the external surfaces of aggregated platelets and is involved in the intrinsic and extrinsic mechanisms of blood clotting?
    A) PF3
    B) PGI2
    C) Thrombin
    D) Thromboplastin (prothrombin activator)
    A) PF3
    (this multiple choice question has been scrambled)
  2. What is the average normal pH range of blood?
    A) 4.65-4.75
    B) 7.35-7.45
    C) 7.75-7.85
    D) 8.35-8.45
    B) 7.35-7.45
    (this multiple choice question has been scrambled)
  3. The special type of hemoglobin present in fetal red blood cells is ________.
    A) hemoglobin B
    B) hemoglobin F
    C) hemoglobin S
    D) hemoglobin A
    B) hemoglobin F
    (this multiple choice question has been scrambled)
  4. Which of the choices below is the parent cell for all formed elements of blood?
    A) polymorphonuclear cell
    B) NK cell
    C) pluripotent stem cell (hemocytoblast)
    D) megakaryocyte
    C) pluripotent stem cell (hemocytoblast)
    (this multiple choice question has been scrambled)
  5. Which blood type is called the universal donor?
    A) B
    B) O
    C) A
    D) AB
    B) O
    (this multiple choice question has been scrambled)
  6. Which of the following is a regulatory function of blood?
    A) transport of metabolic wastes from cells
    B) maintenance of normal pH in body tissues
    C) prevention of blood loss
    D) delivery of oxygen to body cells
    B) maintenance of normal pH in body tissues
    (this multiple choice question has been scrambled)
  7. Which of the following is a protective function of blood?
    A) maintenance of body temperature
    B) maintenance of normal pH in body tissue
    C) maintenance of adequate fluid volume
    D) prevention of blood loss
    A) maintenance of body temperature
    (this multiple choice question has been scrambled)
  8. Which of the statements below is an incorrect or false statement?
    A) Blood typing for the Kell, Lewis, and Duffy factors is always done before a blood transfusion.
    B) Unique to the ABO blood group is the presence in the plasma of preformed antibodies.
    C) When a transfusion reaction occurs, the oxygen-carrying capacity of the transfused blood cells is disrupted and the clumping of RBCs in small vessels hinders blood flow to tissues beyond those points.
    D) Transfusion of incompatible blood can be fatal.
    D) Transfusion of incompatible blood can be fatal.
    (this multiple choice question has been scrambled)
  9. Which of the following might trigger erythropoiesis?
    A) an increased number of RBCs
    B) moving to a lower altitude
    C) hypoxia of EPO-producing cells
    D) decreased tissue demand for oxygen
    C) hypoxia of EPO-producing cells
    (this multiple choice question has been scrambled)
  10. As red blood cells age ________.
    A) iron will be excreted by the kidneys
    B) they will eventually be excreted by the digestive system
    C) membranes "wear out" and the cells become damaged
    D) ATP production increases
    C) membranes "wear out" and the cells become damaged
    (this multiple choice question has been scrambled)
  11. An individual who is blood type AB negative can ________.
    A) receive types A, B, and AB, but not type O
    B) receive any blood type in moderate amounts except that with the Rh antigen
    C) donate to types A, B, and AB, but not to type O
    D) donate to all blood types in moderate amounts
    B) receive any blood type in moderate amounts except that with the Rh antigen
    (this multiple choice question has been scrambled)
  12. The most abundant plasma protein is ________.
    A) clotting protein
    B) globulin
    C) albumin
    D) bile
    C) albumin
    (this multiple choice question has been scrambled)
  13. When neither anti-A sera nor anti-B sera clot on a blood plate with donor blood, the blood is type________.
    A) A
    B) B
    C) O
    D) AB
    C) O
    (this multiple choice question has been scrambled)
  14. Select the correct statement regarding blood cell formation.
    A) The main sites of blood cell production in adults are the spleen and the liver.
    B) Red marrow is the main site of blood cell formation throughout adult life.
    C) Yellow marrow is the main site of leukocyte formation.
    D) Before the seventh month of fetal development, yellow marrow is the main site of blood cellformation.
    B) Red marrow is the main site of blood cell formation throughout adult life.
    (this multiple choice question has been scrambled)
  15. Blood volume restorers include all of the following except ________.
    A) dextran
    B) albumin
    C) packed cells
    D) saline solutions
    C) packed cells
    (this multiple choice question has been scrambled)
  16. James has a hemoglobin measurement of 16 g/100 ml blood. This is ________.
    A) abnormally low
    B) above normal
    C) normal only if James is an infant
    D) within the normal range
    D) within the normal range
  17. Which of these is not a normal plasma protein?
    A) gamma globulin
    B) fibrinogen
    C) thromboplastin
    D) albumin
    C) thromboplastin
    (this multiple choice question has been scrambled)
  18. All of the following can be expected with polycythemia except ________.
    A) high blood pressure
    B) increased blood volume
    C) high hematocrit
    D) low blood viscosity
    D) low blood viscosity
    (this multiple choice question has been scrambled)
  19. No visible cytoplasmic granules are present in ________.
    A) basophils
    B) monocytes
    C) neutrophils
    D) eosinophils
    B) monocytes
    (this multiple choice question has been scrambled)
  20. Which of the following is not a phase of hemostasis?
    A) vascular spasm
    B) platelet plug formation
    C) fibrinolysis
    D) coagulation
    C) fibrinolysis
    (this multiple choice question has been scrambled)
  21. Place the following in correct developmental sequence: 1. reticulocyte 2. proerythroblast 3. normoblast 4. late erythroblast
    A) 1, 2, 3, 4
    B) 1, 3, 2, 4
    C) 2, 1, 3, 4
    D) 2, 4, 3, 1
    D) 2, 4, 3, 1
    (this multiple choice question has been scrambled)
  22. A lack of intrinsic factor, leading to a deficiency of vitamin B12 and large pale cells called macrocytes, is characteristic of ________.
    A) sickle-cell anemia
    B) polycythemia
    C) aplastic anemia
    D) pernicious anemia
    D) pernicious anemia
    (this multiple choice question has been scrambled)
  23. The slowest step in the clotting process is ________.
    A) binding fibrin strands
    B) formation of prothrombin activator
    C) release of PF3
    D) production of fibrin strands
    B) formation of prothrombin activator
    (this multiple choice question has been scrambled)
  24. Thromboembolic disorders ________.
    A) are caused by vitamin K deficiency
    B) include thrombus formation, a clot in a broken blood vessel
    C) result in uncontrolled bleeding
    D) include embolus formation, a clot moving within the circulatory system
    D) include embolus formation, a clot moving within the circulatory system
    (this multiple choice question has been scrambled)
  25. Which of the following is not a cause of bleeding disorders?
    A) a defect in the clotting cascade
    B) vitamin K deficiency
    C) thrombocytopenia, a condition of decreased circulating platelets
    D) excess secretion of platelet-derived growth factor (PDGF)
    D) excess secretion of platelet-derived growth factor (PDGF)
    (this multiple choice question has been scrambled)
  26. Which of the following is characteristic of all leukocytes?
    A) They are the most numerous of the formed elements in blood.
    B) They are phagocytic.
    C) They have cytoplasmic granules
    D) They are nucleated.
    D) They are nucleated.
    (this multiple choice question has been scrambled)
  27. Which of the following is true about blood plasma?
    A) It is about 90% water.
    B) It is the same as serum but without the clotting proteins.
    C) The main protein component is hemoglobin.
    D) It contains about 20 dissolved components
    A) It is about 90% water
    (this multiple choice question has been scrambled)
  28. Platelets ________.
    A) have multiple nuclei
    B) have a life span of about 120 days
    C) are the precursors of leukocytes
    D) stick to the damaged area of a blood vessel and help seal the break
    D) stick to the damaged area of a blood vessel and help seal the break
    (this multiple choice question has been scrambled)
  29. Which sequence is correct for the following events?1. fibrinogen → fibrin 2. clot retraction 3. formation of thromboplastin 4. prothrombin → thrombin
    A) 3, 2, 1, 4
    B) 4, 3, 1, 2
    C) 3, 4, 1, 2
    D) 1, 2, 3, 4
    C) 3, 4, 1, 2
    (this multiple choice question has been scrambled)
  30. Fred's blood was determined to be AB positive. What does this mean?
    A) His blood lacks Rh factor.
    B) He can only receive blood from a donor who is AB positive.
    C) There are no antibodies to A, to B, or to Rh antigens in the plasma.
    D) Antibodies to A and B are present in the red cells.
    C) There are no antibodies to A, to B, or to Rh antigens in the plasma.
    (this multiple choice question has been scrambled)
  31. Sickling of red blood cells can be produced in those with sickle-cell anemia by ________.
    A) vigorous exercise
    B) travel at high altitude
    C) travel at high altitude and vigorous exercise
    D) malaria and travel at high altitude
    C) travel at high altitude and vigorous exercise
    (this multiple choice question has been scrambled)
  32. All of the following conditions impair coagulation except ________.
    A) severe hypocalcemia
    B) liver disease
    C) vitamin K deficiency
    D) vascular spasm
    D) vascular spasm
    (this multiple choice question has been scrambled)
  33. When can erythroblastosis fetalis not possibly happen in the child of an Rh negative mother?
    A) if the father is Rh-
    B) if the father is Rh+
    C) if the child is type O positive
    D) if the child is Rh+
    A) if the father is Rh-
    (this multiple choice question has been scrambled)
  34. Complications of aplastic anemia generally do not include ________.
    A) increase of leukocytes as a result of erythrocyte loss
    B) bleeding disorders
    C) impaired formation of all formed elements
    D) suppressed immunity
    A) increase of leukocytes as a result of erythrocyte loss
    (this multiple choice question has been scrambled)
  35. Blood is a ________.
    A) homogeneous compound
    B) heterogeneous compound
    C) suspension
    D) colloid
    C) suspension
    (this multiple choice question has been scrambled)
  36. What organ in the body regulates erythrocyte production?
    A) pancreas
    B) brain
    C) liver
    D) kidney
    D) kidney
    (this multiple choice question has been scrambled)
Author
ID
268837
Card Set
Bio Ch18c
Description
mc
Updated
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