24 Feb Exercise 2: Blood & Lymphatics
1. In your own words, provide definitions for the terminology for this topic as a reference.
Formed Elements
Erythrocyte _________________________________________________________________________________________
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Leukocyte ____________________________________________________________________________________________
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Granulocyte __________________________________________________________________________________________
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Neutrophil ____________________________________________________________________________________________
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Eosinophil ____________________________________________________________________________________________
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Basophil ______________________________________________________________________________________________
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Agranulocyte _________________________________________________________________________________________
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Lymphocyte _________________________________________________________________________________________
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Monocyte_________________________________________________________________________________________
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Platelet _________________________________________________________________________________________
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Blood Typing:
Antigen _________________________________________________________________________________________
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Antiserum _________________________________________________________________________________________
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Antibody _________________________________________________________________________________________
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Blood Donors:
Universal donor ______________________________________________________________________________________
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Universal recipient __________________________________________________________________________________
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Lymphatic Structures
Lymphatic capillary _________________________________________________________________________________
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Lymph _______________________________________________________________________________________________
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Lymph-collecting vessel ____________________________________________________________________________
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Lymph trunk ________________________________________________________________________________________
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Thoracic duct ________________________________________________________________________________________
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Right lymphatic duct ________________________________________________________________________________
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Thymus ______________________________________________________________________________________________
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Lymph node __________________________________________________________________________________________
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Spleen _______________________________________________________________________________________________
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Mucosa-associated lymphatic tissue _______________________________________________________________
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Tonsil _______________________________________________________________________________________________
Differential White Blood Cell Count:
One of the most common blood analyses performed by a laboratory is a differential white blood cell count . In this procedure, the number and types of leukocytes in a blood sample are counted to determine the relative frequency of each type. This can give important information about the cause of a patient’s illness, because different conditions will cause an elevation of different types of leukocytes. Differential counts were previously performed manually by a laboratory technician, as you will do here. Now, however, they are generally done by a machine, but the technician will still manually examine the cells if any abnormalities are noted.
Perform a differential WBC count and know what an elevated count might indicate. Identify the first 100 leukocytes seen in the field of vision. This can be accomplished by systematically moving the slide up, over, and down, making sure to move over to a new section of the slide. Be sure you do not count the same cell more than once, and do not skip any visible WBCs. Keep a running count so that you will know when you have reached 100. This makes calculation of percent easier.
An elevated neutrophil count might indicate:
An elevated eosinophil count might indicate:
An elevated basophil count might indicate:
An elevated lymphocyte count might indicate:
An elevated monocyte count might indicate:
In a clinical setting, what is the purpose of performing a differential count?
Collected Lab Data
Count
Percentage
Neutrophils
Lymphocytes
Monocytes
Eosinophils
Basophils
Total
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