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If a person with blood type A receives blood from a person with type O blood, nothing bad should happen. Of course, this is not the end of the story; there is also the matter of whether the blood is "positive" or "negative".

On the other hand, if a person with blood type O receives blood from a type A donor, the recipient will reject the type A blood.

This is because of tiny proteins on the surface of the individual red blood cells. People with type O blood do not have these proteins, and so their red blood cells do not cause an immune reaction in the recipient's body. The same is true of the so-called "Rh factor" - the "positive" or "negative" part of blood. People with "negative" blood lack the Rh "antigens" or proteins, and will not cause immune reactions in other people.

For this reason, people with "O-negative" blood are known as "universal donors", meaning that they can donate to anyone without causing problems. This makes them highly sought-after by blood banks because their blood is useful to many people.

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Q: Outcome when blood type A transfused blood type O?
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What are differences between blood types?

Blood type A+ positive cand donate to people that have types A+ or AB+. They can receiver blood from Apos & neg, O pos & neg. Type O+ can give to O+ A+ B+ AB+ & only receive from O pos & neg Type B+ can give to B+ and AB+ and receive from B pos & neg; O pos & neg. Type AB+ can give only to AB+ and receive from EVERYONE A- (neg) can give to A pos & neg; AB pos & neg & receive from A neg & O neg. O- (neg) can give to EVERYONE and receive only O - (neg) B- (neg) can give to B pos & neg; AB pos & neg and receive from B- and O- AB- can give to only AB neg & pos and receive from AB-, A-, B-,O- **Type O blood is the universal blood type and is the only blood type that can be transfused to patients with other blood types **There is always a need for Type O donors because their blood may be transfused to a person of any blood type in an emergency


is A positive blood a universal donor type?

O negative is the universal donor because when O+ve blood group is transfused to -ve blood group recipient, antibodies are produced which causes hemolysis of Rh +ve labelled blood cells. When O-ve blood is transfused to Rh +ve recipient, no antibodies are produced as donor blood has no Rh factor present on blood cells, so no transfusion reaction occurs. Thus, O -ve is universal donor.


What are some differences of having ab blood compared to having a different blood type?

ab blood can be transfused into only someone who is also ab but someone who is ab can receive any other type of blood. people with o blood can give to anybody but can only receive from other o people


If type O blood is transfused into a person with blood type B what will need to be done to the blood?

Since a patient with Type B blood has B antigens on their RBC's and since Type O blood has both anti-A and anti-B antibodies present in the blood plasma, the donor blood needs to be treated before transfusion. The Type O blood needs to be separated into packed cells and plasma, usually done by centrifuge, and only the packed cells should be used for the transfusion. Remember the anti-B antibodies are present in the Type O blood plasma and could cause serious damage in the system of a patient with Type B blood.


How do you know what your RH factor is?

you can ask for a simple blood type test. Whether your blood type is A, AB, O, or B, they always say if you're A/B/O/AB positive or negative, for example. The positivity is whether you have the Rh factor or not( which is just a protein on all red blood cells), in simple terms. It's just a protein or glycoprotein that either your blood has been exposed to, or not. If you are Rh negative, that means you can ONLY be transfused with blood that is also RH negative, or else your body will mount a severe immune attack on the transfused blood. That's part of the reason why O Negative blood is the universal blood donor type.

Related questions

Can blood type 0 plus and blood type b plus have a?

Can B+ type blood be transfused into O type blood in humans?


Can an individual with O blood group donates his blood to an A bloods group person?

An individual with an "O" blood type can be transfused to any other blood type, since type "O" blood is the universal blood type. This includes an "A" blood type.


What type of blood types can receive O?

It depends on what blood component is to be transfused. If O, Rh negative whole blood is to be given, the patient may be O, Rh negative or O, Rh positive. If O, Rh negative red cells are to be transfused, the patient may be any blood type (generally).


How do you find out if your a blood type negative or blood type positive?

Almost 40% of the population has O+ bloodPatients with Type O blood must receive Type O bloodAbout half of all blood ordered by hospitals in our area is Type OType O blood is the universal blood type and is the only blood type that can be transfused to patients with other blood typesOnly about 7% of all people have Type O negative bloodType O negative blood is the preferred type for accident victims and babies needing exchange transfusionsThere is always a need for Type O donors because their blood may be transfused to a person of any blood type in an emergency


Can ab negative blood take blood from o positive person?

Yes,type O is the universal donor,type O blood can be transfused to any blood type.Also,type AB is the universal receipiant , a person with type AB blood can be transfused with blood or blood products from any blood type.


Type o blood doesn't have what?

Type O blood group's RBC doesn't have any antigen on it's surface, that is why it can be safely transfused to any person(at last theoretically).


How do I know if I have blood type O Negative?

Your doctor can do a blood test to tell you what blood type you have. Type O negative blood is the only type of blood that can be transfused to patients with other blood types. People with Type O blood are known as universal donors. Death can occur if someone is given blood that is not compatible with their blood type.


Can AB donor be transfuse into a type O recipient?

While type O blood is known as being the universal donor, it is not a universal recipient. Type O blood can be transfused into any other blood type, but someone with type O blood could only receive a transfusion of type O blood.


Can o positive receive and donate blood to other groups?

First, you must define what you consider to be "blood". Whole blood is rarely used in modern transfusion medicine. Instead, whole blood is separated into components, primarily red cells, platelets, fresh frozen plasma and cryoprecipitate. Type O, Rh positive whole blood may be transfused to a type O, Rh positive recipient. Type O, Rh positive red cells may be transfused to any ABO, Rh positive recipient. Type O, Rh positive platelets may be transfused to any ABO, Rh positive recipient (plasma reduction may be done if the physician is concerned about incompatible plasma in the product). Type O Plasma may only be transfused to a type O recipient (Rh is of no concern). Type O Cryoprecipitate may be transfused to any ABO recipient (Rh is of no concern). In cases where Rh negative cellular components are not available, ABO compatible, Rh positive cellular products may be transfused to an Rh negative recipient IF.... 1) The patient does not have anti-D antibodies present in their plasma 2) The patient is not a female of child bearing age/capability 3) There is an emergent need for the blood products If Rh positive platelets are transfused to an Rh negative recipient, Rh Immune Globulin may be administered to prevent sensitization.


What would happen if type A blood was given a person with type O blood?

Type O blood has antigens for both type A and type B blood cells.So, the antibodies will begin attacking the transfused blood, resulting in hemolysis of the red blood cells (destruction of blood cells), as well as agglutination.The person will suffer acute hemolytic shock, and possibly renal failure and/or death.duplicate


What blood type is a universal donor?

O NegativeIs widely considered the universal blood type. It is very important because it potentially be transfused to any patient regardless of their blood type. Especially in emergency situations, when there isn't enough time to determine a patients blood type.


What are differences between blood types?

Blood type A+ positive cand donate to people that have types A+ or AB+. They can receiver blood from Apos & neg, O pos & neg. Type O+ can give to O+ A+ B+ AB+ & only receive from O pos & neg Type B+ can give to B+ and AB+ and receive from B pos & neg; O pos & neg. Type AB+ can give only to AB+ and receive from EVERYONE A- (neg) can give to A pos & neg; AB pos & neg & receive from A neg & O neg. O- (neg) can give to EVERYONE and receive only O - (neg) B- (neg) can give to B pos & neg; AB pos & neg and receive from B- and O- AB- can give to only AB neg & pos and receive from AB-, A-, B-,O- **Type O blood is the universal blood type and is the only blood type that can be transfused to patients with other blood types **There is always a need for Type O donors because their blood may be transfused to a person of any blood type in an emergency