M5: Module 5 Review
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Submitted Jun 11 at 9:16am
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Question 1 pts
Define the concept of universal precautions.
Your Answer:
Universal precaution refers to the treatment by lab handler of unknown
samples. They must treat them all like they could be pathogenic, so PPE
must be worn.
Universal precautions means any and all samples, whether known
or unknown, are to be treated as potentially hazardous (or
pathogenic) materials.
Question 2 pts
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, 9/6/2020 M5: Module 5 Review: Essential Microbiology with Lab- Zangus
What would a researcher be certain to note while analyzing a microbial
sample?
Your Answer:
The size, shape and motility of a sample.
A lab researcher would be certain to note
1. Size and shape
2. Any observable motility
3. Gram status (positive or negative)
4. The presence of any chemical reactions
5. Changes in color localized to the organism or the surrounding
media
6. Capture (or draw) images of any of the characteristics described
above
Question 3 pts
Which non-selective yet differential agar plate should be used if a
Streptococcus sample is suspected?
Your Answer:
BAP is the best way to identify a Step sample.
A BAP (blood agar plate) would be the quickest way to identify and
classify a potential streptococcus microbe based on its hemolytic
properties.
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