A Cluster of Cases of Legionellosis Have Occurred in Your

question 65

Multiple Choice

A cluster of cases of legionellosis have occurred in your neighborhood. People with the illness have cough, fever, shortness of breath, chest pain and sometimes diarrhea. The illness is caused by the bacterium Legionella pneumophila, a facultative intracellular parasite that survives in certain ameba. The organism has an absolute requirement for L-cysteine.
-A modification of the BCYE medium used to culture L. pneumophila is BCYE with DGVP. This medium contains glycine, polymixin B (an antifungal agent) , and and vancomycin (antibiotic) , as well as two dyes (bromocreson purple and bromthymol blue) that facilitate identification of the organism based on colony color. What type of medium is BCYE with DGVP?

• A) Selective
• B) Differential
• C) Selective AND differential
• D) Liquid
• E) Anaerobic

Understand the methodology and findings of Herman Ebbinghaus's research on memory and forgetting.

Identify and explain factors that can lead to forgetting learned information, especially under exam conditions.

Describe the three-stage model of memory, including its significance and implications for phenomena like the serial position effect.

Recognize and explain the concept of retroactive interference and provide examples.

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Definitions:

Lymphoma

A type of cancer that begins in the lymphatic system, which is part of the body's germ-fighting network.

Cancer

A disease characterized by the uncontrolled growth and spread of abnormal cells that can lead to death if not treated.

Specialization

The process of focusing on and becoming expert in a particular subject or skill.

Malignant

A term used to describe a severe and progressive disease, often cancer, that is likely to worsen and spread.