Quiz 1: New York Legionella Regulations (0.2 CPD)

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6 correct answers required to pass

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1. What is the route of exposure to Legionella that causes disease?

Inhalation

Ingestion

Absorption

Metabolism

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2. Which of the following factors increase risk of infection?

Socioeconomic factors

Infants under 6 months

Immuno-compromised

Intravenous drug use

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3. What has reduced the infiltration of Legionella to the environment?

Drift eliminator technology

Remote monitoring

Recirculation loops

Chloramines

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4. What percentage of the population has been exposed to Legionella bacteria?

25%

55%

70%

100%

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5. What is the primary source of hospital-acquired Legionnaires’ disease?

Potable water

Decorative fountains

Cooling towers

Humidifiers

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6. According to the article, what has been an unexpected outcome of the emergency regulations in New York?

Increased opportunities for research

Little improvement for preventing disease

Minimal costs to cooling tower owners

An increase in sales of chlorine gas

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7. According to the C. Brown hospital study conducted in 1994 during a community Legionnaires Disease outbreak, how much did the risk of infection increase per visit to the hospital?

45%

50%

80%

90%

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8. What did researcher P. Wilmot et al. use in an outbreak investigation to locate the source of the exposure to Legionella?

Hospital records

Meteoric data

Dissemination models

Plume dispersion models

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