Blood System

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Author:
Marine
ID:
302254
Filename:
Blood System
Updated:
2015-06-11 23:21:31
Tags:
physiology physio
Folders:
Physio
Description:
Blood system
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  1. The amount of thrombin produced in the normal situation depends on the presence:
    A. Calcium ions
    B. Plasminogen
    C. Noradrenaline
    D. Thromboplastin
    E. Plasmin
    D. Thromboplastin
    (this multiple choice question has been scrambled)
  2. Survival time of the erythrocytes is:
    A. 120 days
    B. 1 week
    C. 1 year
    D. 2 days
    E. 6 months
    A. 120 days
    (this multiple choice question has been scrambled)
  3. The most important function of neutrophiles and monocytes is:
    A. Phagocytosis
    B. Production of antibodies
    C. Blood clotting
    D. Inactivation of oxygen radical reactive species produced by bacteria
    E. Tachyphylaxis
    A. Phagocytosis
    (this multiple choice question has been scrambled)
  4. Hematocrit means:
    A. Ratio of the volume of blood and ECT
    B. Percentage of red blood cells in the blood
    C. Mean specific gravity of blood
    D. Percentage of de novo formed erythrocytes
    E. Percentage of plasma in the blood
    B. Percentage of red blood cells in the blood
    (this multiple choice question has been scrambled)
  5. hrombocytes produce 1. Plasminogen, 2. Fibrinogen, 3. Prothrombin, 4. Thromboplastin:
    A. 1,2,3,4
    B. 2,4
    C. 4
    D. 1,2,3
    E. 1,3
    C. 4
    (this multiple choice question has been scrambled)
  6. O2 dissociation from the Hb is facilitated in metabolically active tissue:
    A. By decrease of tissue temperature
    B. By concentration of glucose
    C. By increase of PCO2 and decrease of pH
    D. More by decrease of pH than increase of PCO2
    D. More by decrease of pH than increase of PCO2
    (this multiple choice question has been scrambled)
  7. Dissociation curve of O2 from Hb is shifted to the right
    A. By increase of PCO2
    B. By decrease of PCO2
    C. By increase of pH
    D. By the loss of plasma proteins
    E. By increase of N2
    A. By increase of PCO2
    (this multiple choice question has been scrambled)
  8. Most of the venous CO2 is in the form of:
    A. Carbonate
    B. Bicarbonate
    C. Carbonic acid
    D. Dissolved CO2
    E. Bound to Hb
    B. Bicarbonate
    (this multiple choice question has been scrambled)
  9. Which of the following factors increases the O2 dissociation from Hb in metabolically active tissue?
    a. Low PO2
    b. Low pH
    c. High PCO2
    d. Nerve stimulation
    • a. Low PO2
    • b. Low pH
    • c. High PCO2
  10. After CO2 is transported in the blood:
    a. Bicarbonate is rapidly formed
    b. Carbominocompouds are rapidly formed
    c. There is no dissolved CO2 in plasma in steady state
    d. H+ and bicarbonate are rapidly formed in erythrocytes
    e. Ventilation is decreased
    • b. Carbominocompouds are rapidly formed
    • d. H+ and bicarbonate are rapidly formed in erythrocytes

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