Bio Ch18c

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Author:
eddardofwinter
ID:
268837
Filename:
Bio Ch18c
Updated:
2014-04-01 19:17:50
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Bio
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mc
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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) Thrombin
    B) PGI2
    C) Thromboplastin (prothrombin activator)
    D) PF3
    D) PF3
    (this multiple choice question has been scrambled)
  2. What is the average normal pH range of blood?
    A) 8.35-8.45
    B) 7.75-7.85
    C) 4.65-4.75
    D) 7.35-7.45
    D) 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 S
    B) hemoglobin A
    C) hemoglobin F
    D) hemoglobin B
    C) 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) pluripotent stem cell (hemocytoblast)
    C) megakaryocyte
    D) NK cell
    B) pluripotent stem cell (hemocytoblast)
    (this multiple choice question has been scrambled)
  5. Which blood type is called the universal donor?
    A) B
    B) AB
    C) O
    D) A
    C) O
    (this multiple choice question has been scrambled)
  6. Which of the following is a regulatory function of blood?
    A) maintenance of normal pH in body tissues
    B) transport of metabolic wastes from cells
    C) delivery of oxygen to body cells
    D) prevention of blood loss
    A) 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 normal pH in body tissue
    B) maintenance of adequate fluid volume
    C) prevention of blood loss
    D) maintenance of body temperature
    D) maintenance of body temperature
    (this multiple choice question has been scrambled)
  8. Which of the statements below is an incorrect or false statement?
    A) Transfusion of incompatible blood can be fatal.
    B) Unique to the ABO blood group is the presence in the plasma of preformed antibodies.
    C) Blood typing for the Kell, Lewis, and Duffy factors is always done before a blood transfusion.
    D) 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.
    A) Transfusion of incompatible blood can be fatal.
    (this multiple choice question has been scrambled)
  9. Which of the following might trigger erythropoiesis?
    A) hypoxia of EPO-producing cells
    B) decreased tissue demand for oxygen
    C) an increased number of RBCs
    D) moving to a lower altitude
    A) 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) ATP production increases
    C) membranes "wear out" and the cells become damaged
    D) they will eventually be excreted by the digestive system
    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 any blood type in moderate amounts except that with the Rh antigen
    B) donate to all blood types in moderate amounts
    C) receive types A, B, and AB, but not type O
    D) donate to types A, B, and AB, but not to type O
    A) 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) bile
    B) globulin
    C) albumin
    D) clotting protein
    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) O
    C) B
    D) AB
    B) O
    (this multiple choice question has been scrambled)
  14. Select the correct statement regarding blood cell formation.
    A) 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.
    C) Yellow marrow is the main site of leukocyte formation.
    D) 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.
    (this multiple choice question has been scrambled)
  15. Blood volume restorers include all of the following except ________.
    A) packed cells
    B) albumin
    C) saline solutions
    D) dextran
    A) 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) albumin
    B) thromboplastin
    C) gamma globulin
    D) fibrinogen
    B) thromboplastin
    (this multiple choice question has been scrambled)
  18. All of the following can be expected with polycythemia except ________.
    A) high blood pressure
    B) low blood viscosity
    C) increased blood volume
    D) high hematocrit
    B) low blood viscosity
    (this multiple choice question has been scrambled)
  19. No visible cytoplasmic granules are present in ________.
    A) monocytes
    B) basophils
    C) eosinophils
    D) neutrophils
    A) monocytes
    (this multiple choice question has been scrambled)
  20. Which of the following is not a phase of hemostasis?
    A) coagulation
    B) vascular spasm
    C) fibrinolysis
    D) platelet plug formation
    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) 2, 1, 3, 4
    B) 2, 4, 3, 1
    C) 1, 2, 3, 4
    D) 1, 3, 2, 4
    B) 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) pernicious anemia
    B) aplastic anemia
    C) polycythemia
    D) sickle-cell anemia
    A) pernicious anemia
    (this multiple choice question has been scrambled)
  23. The slowest step in the clotting process is ________.
    A) formation of prothrombin activator
    B) binding fibrin strands
    C) release of PF3
    D) production of fibrin strands
    A) formation of prothrombin activator
    (this multiple choice question has been scrambled)
  24. Thromboembolic disorders ________.
    A) include embolus formation, a clot moving within the circulatory system
    B) include thrombus formation, a clot in a broken blood vessel
    C) result in uncontrolled bleeding
    D) are caused by vitamin K deficiency
    A) 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) excess secretion of platelet-derived growth factor (PDGF)
    C) vitamin K deficiency
    D) thrombocytopenia, a condition of decreased circulating platelets
    B) 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 have cytoplasmic granules
    C) They are phagocytic.
    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 the same as serum but without the clotting proteins.
    B) It is about 90% water.
    C) The main protein component is hemoglobin.
    D) It contains about 20 dissolved components
    B) 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) There are no antibodies to A, to B, or to Rh antigens in the plasma.
    B) Antibodies to A and B are present in the red cells.
    C) His blood lacks Rh factor.
    D) He can only receive blood from a donor who is AB positive.
    A) 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) vascular spasm
    B) liver disease
    C) severe hypocalcemia
    D) vitamin K deficiency
    A) 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 child is Rh+
    C) if the child is type O positive
    D) if the father is Rh-
    D) if the father is Rh-
    (this multiple choice question has been scrambled)
  34. Complications of aplastic anemia generally do not include ________.
    A) suppressed immunity
    B) increase of leukocytes as a result of erythrocyte loss
    C) bleeding disorders
    D) impaired formation of all formed elements
    B) increase of leukocytes as a result of erythrocyte loss
    (this multiple choice question has been scrambled)
  35. Blood is a ________.
    A) suspension
    B) colloid
    C) heterogeneous compound
    D) homogeneous compound
    A) suspension
    (this multiple choice question has been scrambled)
  36. What organ in the body regulates erythrocyte production?
    A) brain
    B) kidney
    C) pancreas
    D) liver
    B) kidney
    (this multiple choice question has been scrambled)

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