Immunohepatology and transfusion medicine

Which is not a mandatory test in screening of blood donation

• Hepatitis C antibody

• Hepatitis B

• Malaria

• VDRL

• Typhoid

One unit of PRBC must be completely transferred within

• 30 minutes

• 4 hours

• 6 hours

• 8 hours

A young male met with an accident and is brought to the ER with shock. Blood group of the patient is not known. This patient needs immediate blood transfusion, so which will be the most appropriate blood group to be given?

• O +ve

• AB +ve

• O -ve

• AB -ve

Patient with DIC has Hb - 7g/dL and requires blood transfusion. One RBC unit is removed from the storage and should be transfused

• Within 1 hr of removal from cold storage

• Within 30 minutes of removal from cold storage

• After warming to 37°C

• Within 2hrs or when the unit has done to room temperature

Truth about the development of anti A and anti B antibodies after birth is

• Develop in response to development of corresponding B on A antigens on RBCs

• Are inherited from the mother

• Develop in response to exposure to blood products

• Produced in response to bacteria, viruses and other substances that are inhaler or ingested

Age limit for apheresis donation

• 18-60 years

• 15-45 years

• 20-60 years

• 18-65 years

Condition Donor referral criteria

A)Dengue 1)Permanent Deferral

B)Minor Surgery 2)Permanent Deferral

C)MI 3)6 months

D)Previous Blood transfusion 4)12 months E)Etretinate 5)3 months

• A-2,B-3,C-5,D-1,E-4

• A-3,B-5,C-1,D-4,E-2

• A-2,B-3,C-5,D-4,E-1

• A-3,B-2,C-5,D-1,E-4

Which statement is not true about Direct Coomb's test

• It detects antibody bound to RBC membrane

• It may detect complements attached to the RBC membrane

• It detects antibody circulating in the plasma

• AHG Reagent is used

Which is true in Bombay phenotype?

• Autosomal dominant

• Contains A, B and H antigens

• Secretor

• Non secretor

Interval between whole blood donation for males is _________ months and females is ______ months.

• 5,6

• 8,10

• 3,4

• 1,2