When Should Mixing of the Blood Bag Be Performed

question 39

Multiple Choice

When should mixing of the blood bag be performed?

• A) After the bag is fully collected
• B) Periodically during collection
• C) Constantly
• D) Never

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Definitions:

HbS Allele

A variant of the hemoglobin gene responsible for sickle-cell disease, offering protection against malaria where prevalent.

Sickle-cell Anemia

A genetic blood disorder characterized by red blood cells that assume an abnormal, rigid, sickle shape.

Heterozygote Advantage

A genetic phenomenon where individuals heterozygous at a particular gene locus have a higher fitness than either of the homozygous forms.

Evolutionary Change

The process through which species undergo modification and diversification over generations due to natural selection, genetic drift, and other mechanisms.