MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If a red blood cell has no A or B antigens on its surface, what is its blood type?
A
A
B
B
C
AB
D
O
Explanation: 

Detailed explanation-1: -The correct option is A True. Blood group O: Blood group O has no antigens, but both anti-A and anti-B antibodies are present in the plasma. It is known as universal donor.

Detailed explanation-2: -As group O red blood cells do not have any A or B antigens, it can safely be given to any other group.

Detailed explanation-3: -Type O negative blood is the only blood type with no antigens. Blood type A has an A antigen, while blood type B has a B antigen. Blood type AB has both A and B antigens. Blood type O has neither.

Detailed explanation-4: -O positive. This blood type doesn’t have A or B markers, but it does have Rh factor. O positive blood is one of the two most common blood types (the other being A positive).

Detailed explanation-5: -However if the required blood type is unavailable, a patient may be given a product of an alternative but compatible group as shown below. Note that Group O RhD negative (O negative) red cells have neither ABO nor RhD antigens on their surface.

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