The Increase in the Number of Poor Families in the United

question 3

Multiple Choice

The increase in the number of poor families in the United States since 1965 can be attributed to a(n) _____

• A)increase in the number of households headed by women.
• B)decrease in the number of jobs in the U.S. economy in the last fifty years.
• C)increase in the proportion of people above the age of 65 years in the population.
• D)decrease in the unemployment rate in the U.S. economy.
• E)slowdown in the rate of growth of the U.S. economy.

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Definitions:

Antibody Production

The process by which plasma cells generate antibodies specific to pathogens or foreign substances as a part of the immune response.

B Lymphocytes

A type of white blood cell crucial for the adaptive immune response, responsible for producing antibodies.

Helper T Cells

A type of T cell in the immune system that assists other cells in responding to infected or cancerous cells by releasing cytokines.

Antibodies Production

The process by which the immune system creates antibodies to defend against pathogens or foreign substances that enter the body.