Essay about Physio Ex 9 Experiment 11 Activity 1

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Exercise 11: Blood Analysis: Activity 1: Hematocrit Determination Lab Report Pre-lab Quiz Results You scored 75% by answering 3 out of 4 questions correctly. 1. Hematocrit Your answer : a. refers to the percentage of white blood cells (WBCs) in a sample of whole blood. Correct answer: b. of 40 means that 40% of the volume of blood consists of RBCs. 2. A buffy coat layer You correctly answered: d. is all of the above. 3. The diagnosis of anemia indicates You correctly answered: a. a lower-than-normal hematocrit. 4. Polycythemia refers to You correctly answered: c. a significant increase in RBCs.


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Experiment Results Predict Question: Predict Question: Predict how the hematocrits of the patients living in Denver,
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Why? How well did the results compare with your prediction? Your answer: Denver residents live at a higher elevation than do Bostonians and will therefore experience compensation mechanisms due to the increase levels of hypoxia. My prediction was correct according to the results.

5. Describe how the kidneys respond to a chronic decrease in oxygen and what effect this has on hematocrit levels. Your answer: When the kidneys detect the body in a hypoxic state, which is a chronic decrease in oxygen, they will release erythropoietin to stimulate red blood cell production. This will lead to an overall increase in hematocrit levels. 6. List the hematocrit for the male with aplastic anemia (sample 5) and indicate whether it is normal or abnormal. Explain your response. Your answer: Aplastic anemia is where the bone marrow is not producing enough RBC's. The male with a hematocrit count of 19, which is abnormally low and most likely suffers from aplastic anemia. 7. List the hematocrit for the female with iron-deficiency anemia (sample 6) and indicate whether it is normal or abnormal. Explain your response. Your answer: The female with a hematocrit of 32 is abnormal and sufers from iron deficiency anemia. Anything lower than 37-47% It is due to a decrease of oxygen carrying capacity of the hemoglobin.