level: Level 4
Questions and Answers List
Effectiveness of Antimicrobial Preservatives
level questions: Level 4
| Question | Answer |
|---|---|
| most common human skin yeast | Candida albicans |
| -major air & soil fungal contaminant | Aspergillus niger |
| most common gram (-) fermentative enteric bacteria | Escherichia coli |
| -most common water borne gram (-) non-fermentative bacteria | Pseudomonas aeruginosa |
| most common gram (+) bacterial pathogen | Staphylococcus aureus |
| Microbial Concentration: | 100,000-1,000,000 per mL |