1. 14. In adults, the blood cells are generated primarily in ____.

    C. red bone marrow
  2. 15. Erythrocytes normally circulate in blood stream for an average of ___.

    A. 4 months
  3. 16. Which organ is especially involved in breaking up old erythrocytes?

    A. spleen
    B. bone marrow
    C. lung
    D. heart
    E. kidney
    A. Spleen
  4. 17. The primary function of leukocytes is to ___.

    D. kill pathogens such as bacteria
  5. 18. Which of the following is a normal hematocrit value?

    A. 45%
  6. 19. The most abundant leukocytes in normal circulating blood are ____.

    C. neutrophils
  7. 20. Which of the hormones stimulates production of red blood cells?

    B. erythropoietin
  8. 21. A patient, who lost two kidneys and survive on dialysis, most likely has a ___.

    D. low erythrocyte count
  9. 22. Under which condition more erythrocytes are produced?

    D. hypoxemia
  10. 23. In response to inflammation, leukocyte count can increase to 3-4 folds of its normal value of ___.

    A. 4,000-10,000/ml
  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?

    D. agglutination
  13. 26. The majority of leukocytes can live ____.

    D. for several hours to several days
Card Set
review questions 14-26