how much ml of blood is donated?
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During a regular donation, you will give around 470 ml of whole blood. This is about eight per cent of the average adult's blood volume. The body replaces this volume within 24 to 48 hours, and replenishes red blood cells in 10 to 12 weeks.
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There actually are simple... One unit of packed red blood cells (PRBC) contains about 180 ml of actual RBC, and is 310 ml total (270-350 ml).
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Is there an average amount? It's widely accepted that the average person loses between 30 and 40 milliliters, or two to three tablespoons, of blood during menstruation. But some research suggests that this figure may actually be closer to 60 milliliters, or about 4 tablespoons.
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Adult humans have roughly 20–30 trillion red blood cells at any given time, constituting approximately 70% of all cells by number. Women have about 4–5 million red blood cells per microliter (cubic millimeter) of blood and men about 5–6 million; people living at high altitudes with low oxygen tension will have more.
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In general, the reference ranges are: White blood cells: 4,500 to 11,000 cells per microliter (cells/mcL) Red blood cells: 4.5 million to 5.9 million cells/mcL for men; 4.1 million to 5.1 million cells/mcL for women. Hemoglobin: 14 to 17.5 grams per deciliter (gm/dL) for men; 12.3 to 15.3 gm/dL for women.
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The weight of one unit of blood is approximately 470 ml. Further, the average gravity of the blood in the human body is approximately 1.06, thus on average, the one unit blood weighs 500 grams.
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No more than 2.5% of total blood volume may be drawn solely for research purposes (no benefit to the subject) within a 24-hour period. This is generally 2 ml/kg. No more than 5% of total blood volume may be drawn solely for research purposes (no benefit to the subject) within a 30-day period. This is generally 4 ml/kg.
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Answer and Explanation: For a healthy adult, there will be between 150 million and 450 million platelets in each milliliter of blood. However, platelet counts are usually...
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Burns calories Donating 350ml - 450ml blood is suppose to burn around 650 calories in the donor's body. Also, every time when you donate blood, you can help up to three or four recipients.
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On average each recipient received approximately 2 units of FFP, and this dose was >10 mL/kg for each recipient. The average pre-transfusion INR was 1.37 (range 1.1-1.6), and the average decrease in INR was a clinically insignificant 0.03 per unit of FFP transfused.
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One unit of blood is ~525 mL, which is roughly the equivalent of one pint.
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Red blood cells Rate is 1–2 ml/minute (60–120 ml/hour) for first 15 minutes. May be increased if well tolerated with no adverse reaction. One unit usually takes 1.5–2 hours to infuse, but may be infused over up to 4 hours in volume sensitive patients.
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The total amount of blood loss during menstruation ranges from 30 to 180 ml, with an average of 80 ml per menstrual period. Also, it has been shown5 that blood loss of 40 ml during menstruation yields an average loss of 1.6 mg of iron.
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About 55% of blood is comprised of plasma, of which 90% is water. So, although you donate less than a pint of blood at a time, almost half of this is water. That's why it is important for you to drink plenty of water before you donate and immediately after you've donated.
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A: Every donor is evaluated individually with safety in mind! When you donate whole blood, one pint is collected. Depending on your gender, height, weight, and total blood volume, you can give up to 2 pints in an automated blood collection.
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A normal range in adults is generally considered to be 4.35 to 5.65 million red blood cells per microliter (mcL) of blood for men and 3.92 to 5.13 million red blood cells per mcL of blood for women. In children, the threshold for high red blood cell count varies with age and sex.
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Children: The average 80-pound child will have about 2,650 mL of blood in their body, or 0.7 gallons. Adults: The average adult weighing 150 to 180 pounds should have about 1.2 to 1.5 gallons of blood in their body. This is about 4,500 to 5,700 mL.