MCQ IN MEDICINE

MEDICINE MCQ

HAEMATOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many blood groups exist?
A
4
B
3
C
2
D
6
E
8
Explanation: 

Detailed explanation-1: -There are 4 main blood groups (types of blood) – A, B, AB and O. Your blood group is determined by the genes you inherit from your parents. Each group can be either RhD positive or RhD negative, which means in total there are 8 blood groups.

Detailed explanation-2: -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-).

Detailed explanation-3: -The ABO system is the best known way of classifying blood types. In this system, there are eight main types. O positive is the most common, and AB negative is the rarest.

Detailed explanation-4: -O negative. This blood type doesn’t have A or B markers, and it doesn’t have Rh factor. O positive. This blood type doesn’t have A or B markers, but it does have Rh factor. A negative. A positive. B negative. B positive. AB negative. AB positive.

Detailed explanation-5: -O positive: 35% O negative: 13% A positive: 30% A negative: 8% B positive: 8% B negative: 2% AB positive: 2% AB negative: 1%

There is 1 question to complete.