Physioex Review Sheet Exercise 11

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Blood Analysis


Hematocrit Determination
1. Hematocrit values are usually ( *higher / lower ) in healthy males, compared to healthy females. Give one possible explanation for this.

2. Living at high elevations will cause a person’s hematocrit to ( *increase / decrease ). Explain your answer.

3. Long-term athletic training will cause a person’s hematocrit to ( *increase / decrease ). 4. What is anemia?
Condition where inadequate oxygen is delivered to the body’s cells. 5. Anemia will cause a person’s hematocrit to ( increase / *decrease ). 6. Pernicious anemia is due to a lack of vitamin -- B12

7. How does deficiency of intrinsic factor lead to pernicious anemia? It is necessary for the absorption of vit. B12 from the diet. Lack of b12 leads to anemia. 8. Why would a diet deficient in iron lead to anemia?

Iron is needed for RBC production.
9. Which hormone, secreted by the kidney, is responsible for increased production of red blood cells? Erythropoietin
Erythrocyte Sedimentation Rate (ESR)
10. Sickled red blood cells have an abnormal shape and do not tend to form stacks of cells (rouleaux formation). This would ( increase / *decrease ) the sedimentation rate. 11. Is the ESR test a specific test used to diagnose a disease? No

12. The blood of a cancer patient undergoing chemotherapy is given an ESR test. The results show a slower ESR from the previous month. What might this indicate about the patient’s disease? A decrease in ESR shows improvement in cancer.

13. How can the ESR be useful in the evaluation of a patient complaining of chest pains? It is elevated in confirmed myocardial infarctions
14. How can the ESR be useful in the evaluation of a female patient suffering from severe abdominal pains? It is elevated in cases of early acute PID.

Hemoglobin Determination
15. What is the value, in terms of grams of hemoglobin per 100 milliliters of blood, for the following:...
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