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1. Explain the difference between a WBC count and a differentialcount in termsof what information each provides. 2. Ona prepared blood smear slide, which of the 3 formed elements is present in greatest number? 3. How many different types of leukocytes are there? 4. Which of the leukocytesare granulocytes? 5. Which of the leukoctvEsty pically has a polymorphic nucleus? 6. Which leukocyte typically hasthe largest size? 7. Which type of neutrophil is more mature, a seg or a band? 8. Which leukocyte typically is present in greatest number? 9. Which leukocyte typically hasa round nucleus.

1. Explain the difference between a WBC count and a differentialcount in termsof what information each provides. 2. Ona prepared blood smear slide, which of the 3 formed elements is present in greatest number? 3. How many different types of leukocytes are there? 4. Which of the leukocytesare granulocytes? 5. Which of the leukoctvEsty pically has a polymorphic nucleus? 6. Which leukocyte typically hasthe largest size? 7. Which type of neutrophil is more mature, a seg or a band? 8. Which leukocyte typically is present in greatest number? 9. Which leukocyte typically hasa round nucleus.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Lab Act 2: WBC differential counts - Lab report patient B A Answer the following questions based on the differential WBC count slide show above. 1. Explain the difference between a WBC count anda differential count in terms of what information each provides. 2. Ona prepared blood smear slide, which of the 3 formed elements is present in greatest number? 3. How many different types of leukocytes are there? 4. Which of the leukocytes are granulocytes? 5. Which of the leukoctvestypically has a polymorphic nucleus? 6. Which leukocyte typically hasthe largest size? 7. Which type of neutrophil is more mature, a seg or a band? 8. Which leukocyte typically is present in greatest number? 9. Which leukocyte typically hasa round nucleus. B. Transfer the data from your tally sheet to the Table below. Since you have tallied 100 leukocytes the numbers you have are percentages. Indicate whether the counts are high, low or normal. Normalcounts Patient (high H, lowL or normal N) Neutrophils total (bands+ segs) = (50- 70%) % bands = (normal< 10 %) Lymphocytes total (typical+ atypical) = (20-40%) % atypical = (should be none) Monocytes (3 - 8%) Eosinophils (1-4%) Basophils (0.5- 2%) .... C. Beloware descriptions of the patients the class is evaluating. Determine which patient best correlates with your data. ..... ... ... .... One patient has Al DS. Her lymphocyte count is low because HIVdestroys Helper Tlymphocytes. Her other WBCS percentages seem to be high, but that is only an illusion. Here is why. Pretend you have a fruit basket with five oranges and five apples. Each fruit is 50% of the total. Nowtake four apples out of the basket. The percentage of oranges in the basket increases to 83% even though their number has not changed. In the same way, decreasing the number of lymebxocutes increases the percentage of neutrophils even though their number has not changed. That is why the AIDS patient'selevated neutrophil percentage does not necessarily mean she hasa bacterial infection too. One patient has an acute bacterial infection. His neutrophil count should show elevated numbers of new neutrophils (bands) rushing in to fight the infection. He also may show elevated total neutrophils One patient has viral mononucleosis. Her lymphocyte count is high because more lymphocytes are rushing into her blood to fight this virus. Some lymphocytes may look atypical with jagged edges. Her spleen is swollen. She is a community college student. One patient has an acute parasitic infection with a worm called Trichinella because he ate undercooked bear meat. Your patient's letter: Diagnosis: Explanation as to why you made this diagnosis:
Transcribed Image Text:Lab Act 2: WBC differential counts - Lab report patient B A Answer the following questions based on the differential WBC count slide show above. 1. Explain the difference between a WBC count anda differential count in terms of what information each provides. 2. Ona prepared blood smear slide, which of the 3 formed elements is present in greatest number? 3. How many different types of leukocytes are there? 4. Which of the leukocytes are granulocytes? 5. Which of the leukoctvestypically has a polymorphic nucleus? 6. Which leukocyte typically hasthe largest size? 7. Which type of neutrophil is more mature, a seg or a band? 8. Which leukocyte typically is present in greatest number? 9. Which leukocyte typically hasa round nucleus. B. Transfer the data from your tally sheet to the Table below. Since you have tallied 100 leukocytes the numbers you have are percentages. Indicate whether the counts are high, low or normal. Normalcounts Patient (high H, lowL or normal N) Neutrophils total (bands+ segs) = (50- 70%) % bands = (normal< 10 %) Lymphocytes total (typical+ atypical) = (20-40%) % atypical = (should be none) Monocytes (3 - 8%) Eosinophils (1-4%) Basophils (0.5- 2%) .... C. Beloware descriptions of the patients the class is evaluating. Determine which patient best correlates with your data. ..... ... ... .... One patient has Al DS. Her lymphocyte count is low because HIVdestroys Helper Tlymphocytes. Her other WBCS percentages seem to be high, but that is only an illusion. Here is why. Pretend you have a fruit basket with five oranges and five apples. Each fruit is 50% of the total. Nowtake four apples out of the basket. The percentage of oranges in the basket increases to 83% even though their number has not changed. In the same way, decreasing the number of lymebxocutes increases the percentage of neutrophils even though their number has not changed. That is why the AIDS patient'selevated neutrophil percentage does not necessarily mean she hasa bacterial infection too. One patient has an acute bacterial infection. His neutrophil count should show elevated numbers of new neutrophils (bands) rushing in to fight the infection. He also may show elevated total neutrophils One patient has viral mononucleosis. Her lymphocyte count is high because more lymphocytes are rushing into her blood to fight this virus. Some lymphocytes may look atypical with jagged edges. Her spleen is swollen. She is a community college student. One patient has an acute parasitic infection with a worm called Trichinella because he ate undercooked bear meat. Your patient's letter: Diagnosis: Explanation as to why you made this diagnosis:
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