Which of the Following Statements Are True of Infections and Disease

question 1

Multiple Choice

Which of the following statements are true of infections and disease (Select all that apply) ?

• A)When the number of cases of a disease rises sharply,the disease is called endemic.
• B)Subclinical is a synonym for asymptomatic or inapparent.
• C)Fomites are objects that may be a source of pathogens.
• D)An acute infection is always localized,and a chronic infection is always widespread.
• E)A communicable disease is not always contagious,and a contagious disease is not always communicable.
• F)A post-op infection of abdominal skin sutures is an example of a nosocomial infection.

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Definitions:

Variable-Ratio

A reinforcement schedule where a response is reinforced after an unpredictable number of responses, making it highly effective in maintaining behavior.

Fixed-Ratio

A schedule of reinforcement where a response is reinforced only after a specified number of responses, often used in behavior modification.

Stimulus Generalization

The psychological phenomenon whereby a response to a specific stimulus becomes associated with other stimuli, leading to a similar response.

Variable-Interval

A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed.