MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following blood types is the universal donor?
A
Type O negative
B
Type O positive
C
Type A negative
D
Type AB negative
E
Type B positive
Explanation: 

Detailed explanation-1: -Group O can donate red blood cells to anybody. It’s the universal donor.

Detailed explanation-2: -7% of the population, or 1 in 11 people, has type O-negative blood. Type O-negative blood can be transfused to ALL blood types. Patients with an O-negative blood type can only receive O-negative blood transfusions. The ideal donation types for O-negative are whole blood and Power Red.

Detailed explanation-3: -Type O blood is called the universal donor because: It has neither A nor B surface antigens on the red blood cells. Antigens are proteins that are capable of evoking an allergic response in someone whose whole body does not have the antigens.

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