A+P

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Author:
claracastaneda
ID:
7172
Filename:
A+P
Updated:
2010-02-17 10:44:33
Tags:
circulatory system 2
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Description:
review questions 14-26
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  1. 14. In adults, the blood cells are generated primarily in ____.
    A. the heart
    B. the kidney
    C. yellow bone marrow
    D. red bone marrow.
    E. the yolk sac.
    D. red bone marrow
    (this multiple choice question has been scrambled)
  2. 15. Erythrocytes normally circulate in blood stream for an average of ___.

    A. 4 days
    B. 4 years
    C. 4 weeks
    D. 40 years
    E. 4 months
    E. 4 months
    (this multiple choice question has been scrambled)
  3. 16. Which organ is especially involved in breaking up old erythrocytes?

    A. spleen
    B. heart
    C. bone marrow
    D. kidney
    E. lung
    A. Spleen
    (this multiple choice question has been scrambled)
  4. 17. The primary function of leukocytes is to ___.

    A. regulate erythropoiesis
    B. transport oxygen
    C. kill pathogens such as bacteria
    D. transport nutrients
    E. stop bleeding
    C. kill pathogens such as bacteria
    (this multiple choice question has been scrambled)
  5. 18. Which of the following is a normal hematocrit value?

    A. 100%
    B. 65%
    C. 85%
    D. 25%
    E. 45%
    E. 45%
    (this multiple choice question has been scrambled)
  6. 19. The most abundant leukocytes in normal circulating blood are ____.

    A. eosinophils.
    B. basophils.
    C. neutrophils.
    D. monocytes.
    E. platelets.
    C. neutrophils
    (this multiple choice question has been scrambled)
  7. 20. Which of the hormones stimulates production of red blood cells?

    A. norepinephrine
    B. erythropoietin
    C. aldosterone
    D. angiotensin
    E. estrogen
    B. erythropoietin
    (this multiple choice question has been scrambled)
  8. 21. A patient, who lost two kidneys and survive on dialysis, most likely has a ___.

    A. low leukocyte count
    B. high erythrocyte count
    C. high platelet count
    D. low erythrocyte count
    E. low platelet count
    D. low erythrocyte count
    (this multiple choice question has been scrambled)
  9. 22. Under which condition more erythrocytes are produced?

    A. malnutrition
    B. loss of body weight
    C. hypoxemia
    D. lack of sleep
    E. hunger
    C. hypoxemia
    (this multiple choice question has been scrambled)
  10. 23. In response to inflammation, leukocyte count can increase to 3-4 folds of its normal value of ___.

    A. 100-1,000/ml
    B. 100,00-1,000,000/ml
    C. 1,000-4,000/ml
    D. 10,000-100,000/ml
    E. 4,000-10,000/ml
    E. 4,000-10,000/ml
    (this multiple choice question has been scrambled)
  11. 24. Leukocytes usually stay only in the blood stream.

    A. The above statement is true.
    B. The above statement is false.
    B. the Above is false
  12. 25. Which of the following steps is not involved in the attack of bacteria which invade in a tissue outside blood vessels?

    A. chemotaxis
    B. phagocytosis
    C. margination
    D. diapedesis
    E. agglutination
    E. agglutination
    (this multiple choice question has been scrambled)
  13. 26. The majority of leukocytes can live ____.

    A. for 4 years
    B. longer than erythrocytes
    C. for several hours to several days
    D. for four months
    E. forever
    C. for several hours to several days
    (this multiple choice question has been scrambled)

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