A Report by the U

question 50

Multiple Choice

A report by the U.S.Department of Justice's National Drug Intelligence Center entitled The Economic Impact of Illicit Drug Use on American Society placed the annual national cost of illicit drug use in the U.S.at:

• A)$303 billion.
• B)$195 billion.
• C)$193 billion.
• D)$183 billion.

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Definitions:

CD4

A glycoprotein found on the surface of immune cells like T helper cells, playing a key role in the immune system by aiding in the response to antigens.

Antibody Units

Individual molecules of antibodies, which are proteins produced by the immune system to identify and neutralize pathogens like bacteria and viruses.

Initial Injection

The first dose or administration of a substance or drug into a body or system.

Secondary Response

The immune system's more rapid and intense response to a pathogen when it is encountered for the second time, due to the presence of memory cells.