An ABO test involves drawing a small sample ... and Rh antigens on the surface of red blood cells. The results will tell you ...

Your blood type matters more than you might think. It can affect everything from your risk for certain conditions to how your ...

and your red blood cells and platelets are given back. AB plasma is used in emergency and trauma situations, according to the Red Cross. Ideal blood types for this donation are AB positive and AB ...

Your blood type is determined based on specific antigens present in your blood. You can find out your blood type by asking your doctor for a test, donating blood, or taking an at-home blood test.

Universal recipient blood type If you have AB-positive blood — known as the universal recipient blood type — you can receive red blood cells from people with all types of blood. The chart ...

AB and O. Coberly said some examples of these rarer blood types include the McLeod phenotype, in which a person's red blood cells don't express a protein called Kx; the Kidd-null phenotype ...

Your doctor will usually check your red ... blood cells in your body. Some low RBC count causes include: A blood sample is required for this test. A health care professional uses a needle to draw ...

A red cell distribution width ... ahead of time. Taking blood for the test is quick and simple. A healthcare professional uses a small needle to draw blood from the individual’s arm.

Mean corpuscular volume, or MCV, measures red blood cell size. A typical adult MCV ... a person may feel a little pain and a stinging sensation. Drawing blood carries few risks.

The practice of drawing blood has changed very ... The device also has a near-zero rate of hemolysis during blood collection, which is when red blood cells break down during or after the ...

Macy Meyer is a North Carolina native who graduated from UNC-Chapel Hill with a BA in English and a second BA in Journalism. Macy is a Writer on the CNET How-To team, covering a variety of topics ...