What Is the Basic Hemoglobin Defect in the Thalassemias

question 19

Multiple Choice

What is the basic hemoglobin defect in the thalassemias?

• A)One of the globin chains has an amino acid substitution.
• B)A structurally normal globin chain is absent or produced at lower levels.
• C)Heme is produced at a lower concentration.
• D)Iron is not incorporated into the protoporphyrin ring to form heme.

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Adults Employed

The segment of the labor force aged 18 and over that is actively engaged in paid work.

Adults Unemployed

Refers to individuals over the legal working age who are without jobs and actively seeking employment.

Adults Not in the Labor Force

Individuals aged 16 years and older who are not actively seeking employment and are not currently employed.

Labor-force Participation Rate

The proportion of the working-age population that is participating in the labor market either by working or actively seeking employment.