1. material in which Listeria has great adhesion to even after cleaning?
stainless steel
6. method that showed it can remove/reduce surface microplastics?
rinsing/washing
11. seafood containing the most microplastic in ppm?
pink shrimp?
16. what did the Cornell U. food safety lab develop that provides rapid information access about a serovar
Salmonella Serovar WIKI
21. what group of bacteria were found to colonize the cleaning equipment?
opportunistic pathogens, fungal, spoilage-bacteria
2. temp. in which Listeria biofilms were found to grow denser?
20 degrees Celsius
7. targeting the time & temperature of this step in cantaloupe farms were considered to be an effective strategy to reduce Listeriosis.
post-packaging
12. 2 veggie that caused E.coli foodborne outbreak
1. slivered onions in McDonalds quarter pounder burgers
2. organic carrots - packed for supermarkets
17. newly developed highly sensitive method to detect PFAS in food packaging, water, & soil.
Paper-spray Mass-spectrophotometry (PS-MS) - <3 mins, 10-100 times more sensitive.
22. what bacteria was found to have surprisingly low prevalence on boneless chicken breast suggesting current database is insufficient?
Campylobacter jejuni
3. equipment found to contain biofilms due to no protocol in cleaning/monitoring it?
hoses
8. what chemicals were found to be ineffective against mature Listeria biofilms?
chlorine & peracetic acid (PAA)
13. can release up to 1.2 billions ppm of microplastics when prepped for ingestion
tea bag
18. a non-antibiotic strategy found to be effective for reducing Salmonella in poultry
use of anti-microbial peptides
23. found to be able to degrade some forever chemicals (PFAS) in contaminated drinking water w/c may offer a cost-effective & eco-friendly alternative to chemical treatments.
Acetobacterium
4. starting Jul 2026, what food labelling differentiation will be implemented in the USA?
"BEST if USED By & USE by Date:"
9. what cleaning combination was found to be effective in reducing Listeria biofilm?
use of paracetic acid (PAA) w/ saturated steam
14. what heavy metal and in which food did the FDA require a 10-20ppb level?
Lead (Pb) in processed baby food (fruits, grain, veggies, meat, yogurt, cereals)
19. Due to budget cuts & firings, the USA-CDC removed 6 bacteria from their foodborne diseases active surveillance network (FoodNet) retaining only Shiga-toxin E.coli (STEC) and Salmonella.
Give at least 4.
Campylobacter, Cyclospora, L. monocytogenes, Shigella, Vibrio, Yersinia
24. source of the peptides used to inhibit Salmonella typhimurium and Salmonella enteritidis, and serovars (S. anatum, S. heidelberg & S. newport)
What is Lactobacillus rhamnosus GG (LGG)?
5. Who is the USA's current HHS (Human & Health Services) secretary that caused mass firings & funding removal in FDA & USDA (r&d, food safety reviews, drugs, medical devices, disease outbreak).
Robert F. Kennedy
10. EPA approved an anti-microbial treatment to reduce foodborne pathogens (like salmonella, e.coli) to be applied in which step of the farming process?
pre-harvest agricultural water
15. what & why is this synthetic colorant being reviewed for their use in food applications
Red Dye 3 - possible carcinogen to humans (w/ no clear evidence), adverse neuro-behavioral effects in children;
20. the US-FDA provided a Supplement to the 2022 food code. Give at least 3 topics that they updated?
1. Surface Disinfections
2. Container Refills & Re-use
3. FSMS
4. Active Managerial control
5. testing req'ts for back-to-work employees diagnosed w/ food-borne pathogens
6. sushi rice acidification risks & controls
25. what strain was found to be heavily linked to multiple leafy green-associated foodborne illness outbreaks.
E.coli 0157:H7 REPEXH02