Glossary

Question 1

a situation when the ABO forward typing result doesn’t agree with the results in backward typing

Answer 1

ABO discrepancy

Question 2

removal of a specific antibody from a mixture of antibodies using cells of known specificity

Answer 2

absorption

Question 3

production of antibody after antigenic exposure or stimulation

Answer 3

active immunization

Question 4

chemical substances added to red cells to extend the shelf life up to 42 days

Answer 4

additives

Question 5

rare condition characterized by the absence of antibodies

Answer 5

agammaglobulinemia

Question 6

• clumping of particulate antigens with their corresponding specific antibodies
• if the source of the antigen is red cell, clumping refers to hemagglutination

Answer 6

agglutination

Question 7

an alternative form of a gene occupying a given locus

Answer 7

allele

Question 8

process of collecting amniotic fluid

Answer 8

amniocentesis

Question 9

albuminous fluid contained in amniotic sac that provides nutrients to the developing fetus

Answer 9

amniotic fluid

Question 10

• “silent gene”; doest not produce a detectable antigen
• example: 0 gene

Answer 10

amorph

Question 11

known as secondary immune response which also refers to the production of antibody after secondary antigenic exposure

Answer 11

anamnestic response

Question 12

severe allergic hypersensitivity reaction brought about by an antibody against IgA seen among IgA-deficient patients exposed to IgA antibody

Answer 12

anaphylaxis

Question 13

occurs before birth

Answer 13

antenatal