- Study guides, Class notes & Summaries

Per the [US] CDC, which Legionella diagnostic test allows clinical and environmental isolates to be compared, to help investigators identify where exposure occurred? - Answer Sputum culture Primary factors that affect Legionella growth include all but which of the following: Temperature, Flow Rate, Pressure, pH - Answer Pressure In the absence of stagnation, biofilm, and other complexities, Legionella pneumophila will survive but not multiply in water at what temperature? - Answer...

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16 pages

Written in 2026/2027

Grade A+

COCOSOLUTIONS

Urinary antigen testing - Answer Designed to only detect antigens from legionella pneumophola serogroup 1. Will NOT detect any other type of Legionella . A case of legionnaires disease is confirmed by the following tests: - Answer 1. Culture: growth of any legionella bacteria from respiratory secretions. 2. Urinary antigen test: detection of Legionella pneumophila serigroup 1 3. Detection of antibodies in the blood: the antibody level in the blood taken during the infection What ...

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3 pages

Written in 2026/2027

Grade A+

COCOSOLUTIONS

The scientific community worldwide largely agrees that the best strategy for preventing Legionnaires' disease, with current technology, is to: - Answer Manage building water systems to minimize Legionella bacteria The scientific community worldwide largely agrees that the best strategy for preventing Legionnaires' disease, with current technology, is to - Answer Manage building water systems to minimize Legionella bacteria Studies have shown that a legionella infection can be c...

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30 pages

Written in 2026/2027

Grade A+

COCOSOLUTIONS

In the absence of stagnation, biofilm, and other complexities, Legionella pneumophila will be dormant (not multiply) in water below - Answer 20°C (68°F) Systems or devices that can harbor and transmit Legionella and have been implicated in cases of Legionnaires' disease include all but which of the following: - Answer natural gas piping According to the [US] Centers for Disease Control and Prevention, approximately what percentage of Legionnaires' disease cases among hospital...

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30 pages

Written in 2026/2027

Grade A+

COCOSOLUTIONS

The domestic (potable) water system in a hospital has had Legionella positivity averaging 45% over six sampling dates in the past 12 months. The hospital does not have a supplemental disinfection system but has hyperchlorinated the domestic water at 20 parts per million free chlorines for a 2-hour period three times in the past 9 months. The public water supply at the point of building entry (POE) has had a disinfectant residual ranging from 0 to 0.2 parts per million over the last four months, ...

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6 pages

Written in 2026/2027

Grade A+

COCOSOLUTIONS

Legionnaires disease - Answer serious bacterial pneumonia Symptoms: pneumonia, cough, shortness of breath, fever, muscle aches, diarrhea, headache, nausea, confusion Incubation period: 2-14 days can cause lung failure resulting in hospitalization and/or death Case fatality rate of 10% or 15% is healthcare-associated Less than 5% of exposed will get sick Modes of transmission - Answer inhalation or aspiration of aerosolized water droplets containing the bacteria NOT person-to-pers...

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7 pages

Written in 2026/2027

Grade A+

COCOSOLUTIONS

Legionella Disease Host/ Reservoir - Answer Waterborne disease, aerosolized water Legionella Geographic Locations - Answer Global prevalence - Anywhere with fresh water Legionella Seasonal Patterns of occurrence - Answer More cases generally during summer or autumn Legionella Disease Agent - Answer Legionellae, Gram Negative Bacteria Legionella Disease Environment - Answer freshwater environments, like lakes and streams. It can become a health concern when it grows a...

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9 pages

Written in 2026/2027

Grade A+

COCOSOLUTIONS

constant use - Answer 1 ) Many health care facilities are in use 24 hours a day , 365 days a year . The systems that support these facilities must be robust enough to handle ? . International code Council ( ICC ) - Answer 2 ) In 1994 , three regional building code organizations met to create a single building code for adoption across the Country. What is the name of the code created as a result of the historic meeting? True - Answer 3 ) Once a building permit has been issued , a c...

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3 pages

Written in 2026/2027

Grade A+

COCOSOLUTIONS

The preferred tests for diagnosing Legionnaires' disease are _______ of ________ respiratory secretions (e.g., sputum) on selective media and the Legionella ________ antigen test. - Answer Culture, lower, urinary If indications warrant testing a patient for Legionnaires' disease, it is best practice is to obtain the following: a. sputum for culture b. urine for the urinary antigen test c. both sputum for culture and urine for a urinary antigen test concurrently - Answer c. both...

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13 pages

Written in 2026/2027

Grade A+

COCOSOLUTIONS

ASSE 12080 LEGIONELLA EXAM QUESTIONS WITH VERIFIED SOLUTIONS - UPDATED VERSION - COMPREHENSIVE REVIEW 2026/2027

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14 pages

Written in 2025/2026

Grade A+

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