You Would Like to Identify as Many Bacterial Species as Possible

question 62

Multiple Choice

You would like to identify as many bacterial species as possible in the human mouth. Why is biochemical testing not the most efficient and accurate method of completing this task?

• A) Biochemical testing, using a variety of media, is inaccurate. It has been replaced by more advanced testing procedures.
• B) Since you do not know the growth characteristics and metabolic properties of the bacteria in the mouth, you cannot determine all varieties of media to use for isolation and culture.
• C) Bacteriological media is very expensive, particularly when you would have to use a variety of types to identify the different bacteria.
• D) Bacteria in the mouth are difficult to grow because of the adverse conditions in the oral habitat.

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Definitions:

Oral Presentation

A spoken presentation delivered to an audience for the purpose of sharing information, persuading, or teaching.

Audience Aptitude

The level of understanding or skill that a particular audience has about a specific subject or activity.

Nonnative Speakers

Individuals who speak a language as their second language rather than their mother tongue, affecting language learning and usage.

Simple Vocabulary

The use of clear, straightforward, and easy-to-understand words in speaking or writing.