Final Exam
Help!
|
|
||||
|---|---|---|---|---|---|
| Define a microbial indicator. | A non-pathogenic microorganism or metabolite which is used to reflect the microbiological quality of foods.
🗑
|
||||
| Name five things which indicator organisms can identify. | Quality of food, contamination, process failures, post-processing contamination, hygiene levels.
🗑
|
||||
| Give three advantages to indicator organisms. | Can identify harborage points, cost effective, used for developing trends and statistical process control charts.
🗑
|
||||
| Name the five categories of indicators. | Microbial numbers (eg. AC), metabolites, coliforms, bacteriophages, Enterococcus/LAB
🗑
|
||||
| What are the three uses for microbial indicators? | Food quality, food safety, cleaning and sanitation indicators
🗑
|
||||
| Quality indicators can be used to assess ____ or ____. | shelf-life, spoilage
🗑
|
||||
| T or F: The growth of quality indicators has a direct positive correlation with quality. | False
🗑
|
||||
| T or F: Direct microbial count indicates the presence of pathogens. | False
🗑
|
||||
| Direct microbial counts are indicators of ____, not ____. | existing state, shelf-life
🗑
|
||||
| T or F: Direct microbial counts are better than microscopic counts. | True
🗑
|
||||
| Direct microbial counts are used for the validation of _____. | sanitation
🗑
|
||||
| Name three metabolite indicators. | Ethanol, lactic acid, histamine
🗑
|
||||
| T or F: Indicators are more often used to assess safety and sanitation than quality. | True
🗑
|
||||
| What are three characteristics of good indicator organisms? | Easy to distinguish, present in higher numbers than pathogen, be absent from foods when free of pathogens, easy and rapid detection.
🗑
|
||||
| Food safety indicators are assumes to result from contamination with ____. | feces
🗑
|
||||
| T or F: In testing for food safety indicators, APC or SPC should be used. | False
🗑
|
||||
| Coliforms are represented by the ____ genera. | Enterobacteriaceae
🗑
|
||||
| Coliforms ferment _____. | lactose
🗑
|
||||
| T or F: Coliforms are not infectious to humans. | True
🗑
|
||||
| ____ are the overall first fecal indicator. | Coliforms
🗑
|
||||
| Define bacteriophages. | Viruses with bacteria for hosts.
🗑
|
||||
| How are bacteriophages detected and quantified? | Plaques
🗑
|
||||
| What are two methods of detection for sanitation indicators? | Aerobic plate count, ATP bioluminescence
🗑
|
||||
| T or F: Enterococci are better indicator organisms for frozen foods rather than coliforms. | True
🗑
|
||||
| T or F: E. coli are more resistant to the environment and processing than Enterococci. | False
🗑
|
||||
| What are the two reasons for environmental monitoring programs? | Determine in pathogenic bacteria are present in the facility, verify the effectiveness of cleaning/sanitation.
🗑
|
||||
| FSMA mandates the environmental monitoring for ____. | Listeria
🗑
|
||||
| What are three methods of environmental monitoring? | Visual inspection, surface testing, ATP bioluminescence, air sampling.
🗑
|
||||
| All direct food contact surfaces is zone ___. | 1
🗑
|
||||
| All non-food product contact surfaces is zone ___. | 2
🗑
|
||||
| All areas surrounding zone 2 is zone ___. | 3
🗑
|
||||
| The outside production area is zone ___. | 4
🗑
|
||||
| The frequency of sample collection for environmental monitoring is ____. | weekly
🗑
|
||||
| All sample results should be documented by ____. | location
🗑
|
||||
| Name three examples of corrective actions. | Retraining personnel, recalling product, clean/sanitize, remove/replace equipment.
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
goberoi
Popular Agriculture sets