During the Second World War, the Personal Income of Most

question 50

Multiple Choice

During the Second World War, the personal income of most American workers___________________.

• A) declined in real terms because of higher taxes
• B) increased, but was eaten up by the high rate of inflation
• C) was lower than that of workers in other industrialized nations
• D) reached new highs

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Definitions:

Universal Donor

Refers to individuals with O-negative blood type, whose red blood cells can be transferred in a transfusion to individuals of any other blood type without causing an adverse reaction.

Anti-B Antibodies

Antibodies present in the plasma of individuals with blood type A, which react against B antigens in red blood cells.

Antigen A

A specific type of antigen on the surface of red blood cells, determining part of an individual's blood type in the ABO system.

Antigens

Substances that the immune system recognizes as foreign and against which it mounts a response.