Blood Components: Questions and Answers

Topics: Immune system, White blood cell, Blood Pages: 2 (440 words) Published: March 10, 2013
1.) Significance of a lower-than-normal hematocrit?
-means your body is not fighting off something, but puts you at risk for problems with bone marrow or puts you at risk for a bacterial infection. anemia What is the effect of a bacterial infection on the hematocrit?

-raises them
2). Development of lymphocytes with the development of the other formed elements -B lymphocytes develop in red bone marrow, T lymphocytes develop in red bone marrow and mature in the thymus; the other formed elements develop in red bone marrow

3.) Erythropoiesis?
-the production of RBCs
Which factors speed up and slow down erythropoiesis?
-when oxygen delivery to the kidneys falls and slows down when there is sufficient oxygen-carrying capacity of the blood
4.) What happens if a person with type B blood gets type O?
-nothing
5.) Name and function of ea. WBC?
a.WBC has a round nucleus surrounded by a blue halo of cytoplasm with no visible granules. b. WBC contains dense blue-purple granules that hide the nucleus. c. WBC has a U-shaped nucleus and a bluish, foamy cytoplasm with no visible granules. d. WBC contains small, pale lilac granules and a four-lobed nucleus. e. WBC contains red-orange granules and a two-lobed nucleus. a) lymphocyte – major combatant in immune responses

b) basophil – intensifies the inflammatory reaction, is involved in hypersensitivity reactions
c) monocyte – phagocytosis and cell debris cleanup
d) neutrophil – active in phagocytosis
e) eosinphil – releases enzymes that combat the effects of histamine and other mediators of inflammation in allergic reactions, phagocytize antigen-antibody complexes, are effective against certain parasitic worms

6.) Level of leukocytes higher when infected with a parasitic disease? -The presence of the parasitic microorganisms trigger an immune response in the body of the infected individual. The leukocytes are then produced in large amounts in order to...
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