Blood volume increases significantly during pregnancy. Pre-pregnancy, a woman had a blood volume of 4.5 liters and hemat

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Blood Volume Increases Significantly During Pregnancy Pre Pregnancy A Woman Had A Blood Volume Of 4 5 Liters And Hemat 1 (46 KiB) Viewed 76 times

Blood volume increases significantly during pregnancy. Pre-pregnancy, a woman had a blood volume of 4.5 liters and hematocrit of 36%. As the pregnancy progressed, her blood volume increased by 80%; blood flow rate in a 2 cm diameter and 1 m long vessel increased from 5 ml/minute to 25 ml/minute; and her blood viscosity decreased from 3 mPa s to 2.5 mPa s. (5 marks] a. What is hematocrit and how does it affect blood flow? b. Assuming negligible changes in the woman's blood cell count during pregnancy, calculate the change in her hematocrit resulting from the pregnancy and comment on the implications for the wellbeing of the woman. [10 marks]