Which of the Following Statements Concerning Infectious Diseases in the United

question 9

Multiple Choice

Which of the following statements concerning infectious diseases in the United States today is true?

• A)They account for 25% of all physician visits and are still a major cause of death.
• B)They are not a community/public health problem in the United States.
• C)They are a major source of morbidity in the world,but not in the United States.
• D)They are rarely fatal in the United States.

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Definitions:

Random Assignment

Process of assigning subjects to the experimental or control groups randomly, so that each subject has an equal chance of being in either group.

Equal Chance

The principle that all participants or elements in a given situation have the same likelihood or opportunity of experiencing a certain outcome.

Independent Variable

The factor or condition that researchers intentionally change to study its impact on an outcome.

Nicotine

A stimulant and addictive substance found in tobacco, which increases dopamine levels in the brain.