CP-FS Exam Questions and Answers

Foodborne Illness - Answer- Acute illness resulting from eating contaminated food foodborne illness outbreak - Answer- two or more cases of same illness resulting from consumption of the same food. Pathogen - Answer- disease producing organism Cooking destroys __________ cells (those capable of actively growing) - Answer- Vegetative Spores of spore forming bacteria such as ________,_________,_________survive cooking and may germinate after if food is not properly cooled or held after cooking - Answer- Bacillus cereus (rice) Clostridium botulinum (hermetically sealed) Clostridium prefringens Post cook recontamination with vegetative cells such as _____, and ___ are a major concern - Answer- salmonella campylobacter jejuni Bacterial growth is the division of one piece of bacteria into two daughter cells in a process called - Answer- binary fission cells adjust to new medium during the _____phase. And remain constant. - Answer- lag Cells divide by binary fission during the ____phase - Answer- log (Exponential) New cells are produced at the same rate as older cells die - Answer- stationary phase dead or dying bacteria outnumber new cells during the ______ phase as a result of limited resources, waste production, or other changes in environment - Answer- Death phase Bacterial toxins can be classified as either _____ or _____ - Answer- exotoxin or endotoxin ___are generated by bacteria and actively secreted during exponential growth. - Answer- Exotoxins _________ are produced during growth phase and are released into the tissue. _________ are protein in nature and their reactions are specific. ex. Clostridium botulinum produce neurotoxin (only affects neurological tissue) - Answer- Exotoxin Endotoxins can be extracted from a wide variety of ____________ bacteria - Answer- gram negative Higher doses of ___________ are required to produce lethal effect in experimental animals than ___________ - Answer- Endotoxins Exotoxins ______________ remains a part of the bacterial outer membrane and are not released until the bacterium is killed by the immune system - Answer- Endotoxins Effects produced by _____are systemic such as fever, and general body reactions, rather than mostly neurological effects as is the case with most __________ - Answer- Endotoxins Exotoxins __________ a harmful substance produced by certain bacteria that is specifically dangerous to the GI tract - Answer- Enterotoxin List bacteria that produce enterotoxin - Answer- staphylococcus aureus bacillus cereus Enterotoxigenic E. coli _________submicroscopic parasite that. Examples of _____ that cause foodborne illness is Norovirus hepatitis A rotavirus directly related to contamination from human feces - Answer- Virus Contamination of food by virus is the result of - Answer- cross-contamination by ill employee unclean equipment and utensils Intoxication occurs when bacteria produce and release _________ into food and cause illness - Answer- exotoxins illness caused by ____ have short onset times - Answer- intoxication __________ occurs when bacteria release endotoxins in the intestine of the affected person. - Answer- Infection ___________ occurs when a person eats food containing harmful bacteria that die and release toxins while in the intestine of the affected person - Answer- Toxic mediated infection Foodborne bacteria that cause toxic mediated infection are - Answer- Shigella spp Shiga toxin producing e. coli bacteria that commonly produce toxins are - Answer- s. aureus c. botulinum bacteria that commonly cause foodborne infection - Answer- salmonella campylobacter hemmorrhagic e. coli listeria how to prevent contamination by virus - Answer- obtain food from approved source no bare hand contact with RTE foods proper hand washing implement employee health policy viruses are classified as a - Answer- infection