To Establish a Link Between a Specific Bacterium and a Skin

question 1

Multiple Choice

To establish a link between a specific bacterium and a skin disease, researchers have shown that the bacterium was present in sick persons but not in healthy individuals. They isolated the bacterium in a pure culture and demonstrated that experimental healthy animals injected with this culture became sick. What other experiment do researchers need to perform to be absolutely sure that the bacterium is responsible for the disease?

• A) demonstrate that the bacterium belongs to the pathogenic lineage
• B) demonstrate that the bacterium is not able to live outside of humans or animals
• C) isolate bacterium from an infected sick animal and demonstrate that it is the same bacterium as the one used for infection

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Definitions:

Intertwining Needs

The concept that human needs and desires are complexly interwoven, affecting each other in various ways rather than existing as separate and distinct elements.

Different Stages

Distinct phases or periods in a process, development, or series of events, each characterized by its own set of conditions or features.

Aging

The process of becoming older, a series of biological changes that occur in living organisms with the passage of time, leading to physical and psychological change.

Reflective Thinking

The process of analyzing and evaluating one's thoughts, beliefs, and actions to promote deeper understanding and learning.