Blood Transfusions Between Incompatible Blood Types Results In

question 65

Multiple Choice

Blood transfusions between incompatible blood types results in:

• A)type I,or immediate,hypersensitivity.
• B)type II,or antibody-mediated,hypersensitivity.
• C)type III,or immune-complex mediated,hypersensitivity.
• D)type IV,or delayed-type,hypersensitivity.

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Definitions:

Recessive Trait

A genetic trait that is expressed in the phenotype only when two copies of the recessive allele are present, one from each parent.

Codominance

A genetic situation in which two alleles of a gene contribute to the phenotype of the organism in separate, distinctly observable ways.

Dominant Traits

Genetic characteristics that are expressed in an organism even when only one copy of the gene is present.

Incomplete Dominance

A genetic phenomenon where the phenotype of the heterozygote lies somewhere between the phenotypes of the two homozygotes.