2023年3月5日 · AB positive: People with this rare blood type (3.4%) can receive blood or plasma of any type. They’re known as universal recipients. AB negative: This is the rarest blood type -- only...

There are four main blood types: A, B, AB and O. Blood bank specialists determine your blood type based on whether you have antigen A or B on your red blood cells. They also look for a protein called the Rh factor.

2024年1月16日 · Most people use the ABO system to group blood types, and rhesus factor, which is either positive or negative. An individual’s blood type depends on which genes they inherited from their...

2023年11月28日 · Blood is either Rh-positive (Rh+) or Rh-negative (Rh-). Combining the ABO system with the Rh factor, there are eight main blood types: The rarity of blood types varies depending on where you live. In the US: Rarest Blood Type: AB-, followed by B- and A-. Most Common Blood Type: O+, followed by A+ and B+.

In addition to the A and B antigens, there is a protein called the Rh factor, which can be either present (+) or absent (–), creating the 8 most common blood types (A+, A-, B+, B-, O+, O-, AB+, AB-). There are very specific ways in which blood types must be matched for a safe transfusion.

2017年8月25日 · The main difference between ABO blood group and RH blood group is that ABO blood group is determined by the presence or absence of A and B antigens on the surface of the red blood cell whereas RH blood group is determined by the presence or absence of D antigen on the surface of the red blood cell.

2022年4月5日 · People with Rh-negative blood can receive only blood that is also Rh-negative. Together, the ABO and Rh grouping systems yield your complete blood type. There are eight possible...

2023年9月15日 · The ABO system has four major blood types: A, B, AB, and O. Blood types are further categorized by the presence (positive or +) or absence (negative or -) of the Rh(D) antigen on the surface of their red blood cells, also known as …

2024年3月31日 · Blood is often grouped according to the ABO blood typing system. The 4 major blood types are: A blood sample is needed. The test to determine your blood group is called ABO typing. Your blood sample is mixed with antibodies against type A and B blood. Then, the sample is checked to see whether or not the blood cells stick together.

2024年3月31日 · Rh typing uses a method similar to ABO typing. When blood typing is done to see if you have Rh factor on the surface of your red blood cells, the results will be one of these: No special preparation is necessary for this test. When the needle is inserted to draw blood, some people feel moderate pain. Others feel only a prick or stinging.