1. Explain the relationship between hematocrit and erythropoietin. 2. Examining

Question

1. Explain the relationship between hematocrit and erythropoietin.

2.     Examining the data (below) compares the values for samples 2, 4, and 6. Explain the physiological basis for any differences seen among these samples.

re-la Experiment 80 70- 60 20- 10 Microhematocrit Centrifuge Timer (min) 0:00 Start Blood sample Height of buffy coat (white blood cells) Height of column of blood 100 mm 100 mm 100 mm 100 mm 100 mm 100 mm Height of red blood cell layer Hem atocrít %wBC 48 mm 44 mm 55 mm 53 mm 19 mm 32 mm 1 mm 1 mm 1 mm 1 mm 0.5 mm 1 mm 48 Record Data BIOHAZARD 53 19 32 0.5 BIOHAZARD

Explanation / Answer

The relationship between hematocrit and erythropoeitin is indirectly proportional.

The values of erythropoeitin increases with the decrease of hematocrit .

Anaemia is measured by hemoglobin and hematocrit values. The important reason for anemia is the inability of kidneys to increase the synthesis of erythropoeitin in response to it.

Hematoctit is the ratio of volume of RBC to total volume of blood. Erythropoeitin is the hormone produced by kidneys.

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