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Food Science 3rd
For third test in food science 1001 at carleton university
| Question | Answer |
|---|---|
| What three illness can food borne bacteria cause | Infection Intoxication Intoxification |
| are toxins products by an infection | no |
| what triggers the brain to vomit in an infection | damage to intestine |
| What does infection do | infects and damages intestinal tract |
| how is diarrhea caused by infection | damage to intestine causes water to enter back into intestine |
| what is intoxication | production of toxin while growing on food, toxin produced before ingestion |
| what is intoxification | toxins produced in intestinal tract, after ingestion |
| what appears on the outer membrane of bacteria that causes fever | pyrogen |
| what kind of bacteria do pyrogens appear on | gram negative |
| what are some of the sever symptoms from fungal toxins | bone marrow destruction Kidney liver disease gangrene |
| what are the three illness bacteria | Salmonella spp E coli Listeria monocytogenes |
| what does salmonella cause | Salmonellosis |
| what kind of bacteria is salmonella | gram negative facultative anaerobic |
| what does slamonella cause | gastroenteritis - gastrointesntinal infection |
| what are the symptoms of salmonella | mild - severe diarrhea vomiting fever - if pyrogen present |
| is salmonella associated with uncooked poultry and meats | yes |
| salmonella can ONLY occur inside raw eggs | false they can appear on the inside or outside of shell |
| What kind of bacteria is Escherichia coli | gram-negative facultative anaerobic bacteria |
| where does E coli normally inhabit | digestive tract |
| all strains of E coli are harmful | false, only some are pathogenic |
| there is always a fever is E. coli is present | no only with strains that have pyrogens |
| what is the most deadly strain of E coli | O157:H7 |
| what kind of illness is EHEC | intoxification, toxin after digestion |
| what are the symptoms of EHEC | severe bloody diarrhea |
| how does raw veg become contaminated with e coli | use of badly composted cow |
| what is ecoli associated with | meat products- uncooked ground beef Raw milk raw veg |
| What kind of backer is listeria monocytogens | gram positive facultative anaerobic bacterium |
| what does listeria monocytogens do | gastrointestinal infection |
| what are some of the symptoms | severe dehydration, nausea, stomach cramps |
| which group does listeria monocytogens affect severaly | young, elderly, immuno compromised and pregnant woman |
| what is listeria monocytogens most commonly associated with | fresh fruits and veg, raw cabbage colesslow |
| what cuases botolism | clostridum botolinus |
| what kind of bacteria is clostridium botolinus | grame positive anaerobic bacerium |
| what kind of illness is C.B. | intoxication, before ingestion |
| what do botolism toxins cause | paralysis of nervous system |
| what are the symptoms of botolism | fatigue, weakness double vision slurred speec respiratory failure |
| how can one eliminate botulism | high heat method canning |
Created by:
alushing
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