11. You have a suspected Baciflus cereus foodborne outbresk You have streaked on
ID: 214941 • Letter: 1
Question
11. You have a suspected Baciflus cereus foodborne outbresk You have streaked onto Mannitol x What do you expect to see if the culture is positive for B. would see yellow colonies with zone of white precipitate around them b B cereus does not ferment mannitol and does produce lecthinase so you would see pink/red zone of white precipitate around them. colonies with B. cereus ferments mannitol but does not produce lecithinase so you would see yellow colonies would see pink/red colonies c with no rone of white precipitate around them with no zone of white precipitate around them. a. It can come from botulism spores found in honey d. B cereus does not ferment mannitol or produce lecithinase so you 12 Which of the following is true for infant botulism. Bables with infant botulism may be weak, constipated, and eat poorly extreme cases the baby may not be able to move and may die. b. C in d. Alt of the above are true e. None of the above are true 13. Which of the choices below is not true of Norovirus You tend to get the illness 12-48 hours after exposure and have nausea, vomiting, and diarrhea. b. While infectious you are highly contagious C. a. You are typically Only infectious while showing symptoms (2-3 days at the most) d. After you recover you are temporarily immune to that particular strain, but you may still easi be infected by another strain, 14. Which of the below is a challenge for a food microbiologist trying to find the cause of an outbreak? a. The bacteria or virus may be in a weakened condition and need enrichment b. How well do people remember what they ate? Is the food still available from the meal that made them sick? c. d. All of the above are challenges e. None of the above are challenges 15. Which of the below is not true for Campylobacter Campylobacter is an S shaped bacteria It is an extremely tough pathogen that can handie oxygen, freezing, and drying with no a. b. it can become antibiotic resistant. It can commonly be found in poultry. c. d. 16. Listeria can cause which of the following? a. May result in spontaneous abortion or birth defects b. Swine Flu. c. Hay Fever d. All of the above may be caused by Listeria. e. None of the above may be caused by Listeria. 17. Neisseria bacteria are capnophilic which means they require in order to grow a. b. c. d. Increased oxygen Increased CO2 (carbon dioxide) Increased humidity Increased temperaturesExplanation / Answer
Answer11 =a
Bacillus cereus is mannitol negative therefore does not produce acid and hence pink colonies seen but produces lecithinase which causes white ppt. Formation around them.
Answer 12= d( all are true for infant botulism)
Answer 13= c
Norvovirus is most common cause of gastroenteritis in UK .. Individual is contagious the moment they get ill to past 3 days after recovery)
Answer 14=d ( all are the challenges the food microbiologists faces)
Answer 15=b
Camplyobacter is a s shaped bacteria which is commonly found in poultary industries and can show antibiotic resistance
Answer16=a
Listeria infection in pregnancy can lead to miscarriage
Answer17=b
Capnophilic organism require high amounts of co2
Note= please rate the question thanku
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.