NEET BIOLOGY

HUMAN PHYSIOLOGY

BODY FLUIDS AND CIRCULATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Assertion:Type O-blood group is individuals are called universal donors Reason:RBCs of blood group O consists of both A and B surface antigens.
A
Both assertion and reason are true and reason is correct explanation of assertion.
B
Both assertion and reason are true but reason is not correct explanation of assertion.
C
Assertion is true but reason is false
D
Assertion is false but reason is true.
Explanation: 

Detailed explanation-1: -Detailed Solution. Blood group O can be given to any person having any blood type as it does not contain antigens for A and B for agglutination to occur with either of the antibodies in the other blood types. Hence, O group is otherwise called a universal donor.

Detailed explanation-2: -Assertion : Type ‘O’ blood group individuals are called universal donors <br> Reason : RBCs of ‘O’ blood group have both ‘A’ and ‘B’ surface antigens. Assertion : Blood group O is called universal donor: <br> Reason : Beeause no agglutinatin antigen is present in O blood group .

Detailed explanation-3: -For emergency transfusions, blood group type O negative blood is the variety of blood that has the lowest risk of causing serious reactions for most people who receive it. Because of this, it’s sometimes called the universal blood donor type.

Detailed explanation-4: -O negative donors are often called ‘universal donors’ because anyone can receive the red blood cells from their donations. Although about 8% of the population has O negative blood, it accounts for around 13% of hospital requests for red blood cells.

Detailed explanation-5: -What Is A Universal Blood Donor? Universal donors are those with an O negative blood type. Why? O negative blood can be used in transfusions for any blood type.

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