What Has Been the Effect of Increased Mobility in the Modern

question 7

Multiple Choice

What has been the effect of increased mobility in the modern world on diseases and their prevention?

• A)There has been no concern about pandemics because of strict immigration control.
• B)Antibiotics have led to drug-resistant bacteria, creating problems with world health security.
• C)The United Nations has successfully eradicated most communicable diseases.
• D)Diseases have been confined to humans without any harm to the environment.
• E)Many infectious diseases can mutate and survive when taken out of their natural environment.

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Definitions:

Positive Reinforcer

A stimulus which, when presented after a behavior, increases the likelihood of that behavior being repeated.

Negative Reinforcer

An aversive event that, when removed after a behavior, increases the likelihood of that behavior being repeated in the future.

Positive Reinforcer

A stimulus that, when introduced after a behavior, increases the likelihood of that behavior being repeated.

Negatively Reinforced

A process in operant conditioning where a response or behavior is strengthened by stopping, removing, or avoiding a negative outcome or aversive stimulus.