Tag: blood group

Quizzes (1) Questions (81)

Questions Related to blood group

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

O blood group is universal donor because the blood has

  1. Antigen A

  2. Antigen B

  3. Both antigens A and B

  4. No antigens.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Individuals with blood group O have neither A nor B antigens on their red blood cells, which prevents the recipient's antibodies from reacting with the donor's cells.

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

A child has blood group B. Mother has blood group A. The blood group of the father would be

  1. O

  2. O or A

  3. B or AB

  4. A.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Child is B (genotype BO or BB). Mother is A (genotype AO or AA). To have a B child, the father must provide a B allele. Thus, the father could be B (BO or BB) or AB.

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

In ABO system of blood grouping, transfusion is not possible from

  1. A to AB

  2. B to AB

  3. O to AB

  4. A to O.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Transfusion from A to O is not possible because O individuals have anti-A antibodies in their plasma, which would react with the A antigens on the donor's red blood cells.

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

The genotype of B-group father of an O-group child is

  1. $I^O I^O$
  2. $I^B I^B$
  3. $I^A I^B$
  4. $I^O I^B$.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A child with blood group O has genotype OO. If the father is blood group B, he must be heterozygous (genotype BO, represented as I^O I^B) to pass on the O allele to the child.

Multiple choice bio-chemistry immunity and blood groups blood group blood groups and compatibility advance blood groups and transfusion compatibility of blood groups

Which of the following chemicals can be used as anticoagulant?

  1. Sodium chloride

  2. Sodium citrate

  3. Sodium nitrate

  4. Ammonium chloride.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sodium citrate is a common anticoagulant used in blood collection because it chelates calcium ions, which are necessary for the blood clotting cascade.