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Sickle Cell

Page history last edited by Jay 14 years, 5 months ago

 

 Objective(s):

  1. Describe anatomy of blood
    1. Plasma
      1. water:  thermal, cohesive, solvent, also osmosis
      2. electrolytes (inorganic:  Na, K, salts (anions & cations)
      3. buffer: molecules that can accept of donate H+ ions (donate to bases and accept from acids to keep pH stable) 
      4.  
    2. Cells
      1. erythrocytes
      2. leukocytes
        1. macrophage
        2. lymphocyte
          • T-lymphocyte (kill infected cells with toxins - external to themselves)
          • B-lymphocyte (make antibodies)
    3. Platelets
      1. thrombocytes
  2. Describe function of blood
    1. Describe role of oxygen, carbon dioxide and glucose in organisms in general terms
    2. Based on location (ie. muscle/intestine/lung/brain), explain whether oxygen/carbon dioxide/glucose are moving from tissue into blood or vice versa.
    3. Explain purpose of blood
      1. including molecules dissolved in the blood and their function
      2. cells in the blood and their function
        • special features of erythrocyte shape
        • contrast eruthrocyte shape with leuokocyte shape
  3. Sickle cell anemia
    1. Describe cause of disease
    2. Describe condition (symptoms and characterisitics)
    3. Describe diagnosis of sickle cell anemia
    4. Describe treament of sickle cell anemia

 

Last Class:

Review types of blood cells and practiced compare and contrast questions.

 

Today's Lesson:

  1. Look at life history of blood cells
    1. clarify which cells to identify & which to ignore
  2. Look at sickle cell anemia
    1. See "University of Utah" genetics site
    2. See "Koshland Science Museum" sickle cell site
    3. See "Dolan DNA Learning Center" site

  

Assignment:

  1. Student should complete questions in textbook about sickle cell anemia
    • Note: pay special attention to the events that cause sickle cell anemia.  Like the last test in which you had a question explaining "How do valves work to keep blood flowing in one direction in veins?" you will probably have a long question from sickle cell anemia on the next test.

 

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