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Termini in questo insieme (29)

  • Functional characteristics of WBCs
    Diapedesis, ameboid motion, and positive chemotaxis are functional characteristics; granulosis is not.
  • Normal blood pH range
    The average normal blood pH range is 7.35-7.45.
  • Special hemoglobin in fetal red blood cells
    Fetal red blood cells contain hemoglobin F.
  • Parent cell for all formed blood elements
    The hemocytoblast is the parent cell for all formed elements of blood.
  • Universal blood donor type
    Blood type O is generally called the universal donor.
  • Blood distribution functions
    Blood distributes oxygen, metabolic wastes, and hormones, but does not transport salts to maintain blood volume.
  • Protective function of blood
    Blood protects by preventing blood loss through clotting mechanisms.
  • Incorrect blood transfusion statement
    Blood typing for Kell, Lewis, and Duffy factors is not always done before transfusion.
  • Trigger for erythropoiesis
    Erythropoiesis is triggered by hypoxia of EPO-producing cells.
  • Information from blood reticulocyte counts
    Reticulocyte counts indicate the rate of erythrocyte formation.
  • Blood type AB negative can receive
    AB negative individuals can receive any blood type except those with the Rh antigen.
  • False statement about blood
    Blood does not carry body cells to injured areas for repair.
  • Blood type when no agglutination with anti-A or anti-B serum
    Blood type is O when neither anti-A nor anti-B serum causes clotting.
  • Incorrect statement about blood cell formation
    Platelets are not formed from myeloblasts; they come from megakaryocytes.
  • Blood volume restorers exclude
    Packed cells are not blood volume restorers.
  • Normal hemoglobin measurement
    A hemoglobin level of 16 g/100 ml blood is within the normal range.
  • Major plasma protein for osmotic pressure
    Albumin is the major contributor to plasma osmotic pressure.
  • Polycythemia does not cause
    Polycythemia does not cause low blood viscosity.
  • WBCs without visible cytoplasmic granules
    Monocytes lack visible cytoplasmic granules.
  • Non-phase of hemostasis
    Fibrinolysis is not a phase of hemostasis.
  • Erythrocyte structural characteristic not contributing to gas transport
    Erythrocytes are not mitotically active.
  • Anemia caused by lack of intrinsic factor
    Lack of intrinsic factor causes pernicious anemia with large pale macrocytes.
  • Slowest step in clotting process
    The slowest step is the formation of prothrombin activator.
  • Thromboembolic disorders include
    They include embolus formation, a clot moving within the circulatory system.
  • Not a cause of bleeding disorders
    Excess secretion of platelet-derived growth factor (PDGF) is not a cause.
  • Characteristic of all leukocytes
    All leukocytes are nucleated.
  • Main component of blood plasma
    Blood plasma is about 90% water.
  • Platelet function
    Platelets stick to damaged blood vessels and help seal breaks.
  • Correct sequence in clotting events
    Sequence: 3. formation of thromboplastin, 4. prothrombin → thrombin, 1. fibrinogen → fibrin, 2. clot retraction.