Officials of a Public Health Department Report a Higher Than

question 77

Multiple Choice

Officials of a public health department report a higher than normal prevalence of acute myelogenous leukemia (AML) among children age 5-12 in their community.  They observe that some households in the community are exposed to chemical waste from a nearby factory and worry that exposure to this waste is responsible for the increased prevalence of AML.  A case-control study is designed to evaluate the health department officials' claim that exposure to chemical waste is associated with AML in childhood.  Which of the following populations should be selected as the control group?

• A)Children who do not have AML and are exposed to chemical waste
• B)Children who do not have AML and are not exposed to chemical waste
• C)Children who do not have AML, regardless of exposure status to chemical waste
• D)Children who have AML and are exposed to chemical waste
• E)Children who have AML and are not exposed to chemical waste
• F)Children who have AML, regardless of exposure status to chemical waste

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Definitions:

Indirect Expense

Costs incurred that are not directly tied to the production of goods or services, such as rent, utilities, and administrative salaries.

Depreciation Expense

Depreciation expense is the allocation of the cost of a tangible asset over its useful life, reflecting the decrease in value due to wear and tear, decay, or obsolescence.

Department Store

A retail establishment offering a wide range of consumer goods in different product categories known as "departments."

Profit Center

A department or unit within a company responsible for generating profits, with its performance measured based on its ability to produce excess revenue over expenses.