Figure 4-8 -Refer to the Figure 4-8. the Graph Shows the Demand

question 243

Multiple Choice

Figure 4-8
-Refer to the Figure 4-8. The graph shows the demand for cigarettes. Which most likely happened?

• A) The price of marijuana rose.
• B) Mandatory health warnings were placed on cigarette packages.
• C) Several foreign countries banned Canadian cigarettes in their countries.
• D) A tax was placed on cigarettes.

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Definitions:

Interleukins

A group of cytokines that plays an important role in the immune system by helping to fight infections and diseases.

Cytokines

Chemical messengers secreted by cells in the immune system, forming a communication link between the nervous and immune systems.

Leukocytes

White blood cells that are part of the immune system, involved in protecting the body against both infectious disease and foreign invaders.

Memory Lymphocytes

Specialized white blood cells that remember previous invaders and help the immune system respond more quickly and effectively to diseases the body has encountered before.