BIO 171 Module 5 EXAM- Questions and Answers Portage Learning

Module 5 Exam Define the concept of universal precautions. Your Answer: Universal precautions means any and all samples whether known or unknown are to be treated as potentially hazardous materials Universal precautions means any and all samples, whether known or unknown, are to be treated as potentially hazardous (or pathogenic) materials. List at least 3 observations a researcher would be sure to note while assessing an unknown microbial sample. Your Answer: 1. Any observable motility 2. Gram status (positive or negative) 3. Size and shape 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