ch19 hw
one of the tasks that the FDA completes in an effort to keep the U.S. food supply is safe is to regulate ___ and ____ food sold in interstate commerce
domestic; imported
which type of irradiated food or food product is not required by the FDA to have the food irradiation symbol on the label?
dried seasonings
which of the following is not a common route for pathogenic contamination?
over-cooking food
a life form that lives on or in another organism is called a
parasite
the heating process used to kill pathogens in milk and juice is known as
pasteurization
disease causing microorganisms are called
pathogens
which of the following are in the high risk group for developing a food borne illness?
pregnant women very young children older adults persons who suffer from serious chronic illness or weakened immune systems
unlike typical food borne illnesses, ____ can cause neurodegenerative disease
prions
chilling ____ the growth of microbes in food
slows
T/F: food irradiation may lead to radioactive food products
false
food additives considered safe are included in the ____ ____ as _____ (GRAS) list
generally recognized as safe
___ is one of the oldest strategies that may be used in order to prevent the growth of microorganisms leading to food borne illnesses
heating
a pesticide that kills weeds is called a
herbicide
the ___ period can range from 1 hour to several days which explains why people will develop signs and symptoms at different rates
incubation
examples of foods that are potentially hazardous foods include
meats eggs milk some produce
which of the following can cause a food borne illness?
microbes toxic by-products of microbes
the microbes that cause food borne illness can live in
the soil the air the water
reduce the risk of food borne illness from eggs by making sure
the yolk and white are solid
the result of consuming contaminated food or water when traveling in countries where sanitary water supplies are not available can lead to
traveler's diarrhea
cross contamination occurs when you transfer pathogens from a contaminated food surface to an ___ food surface
uncontaminated
animals that live around sewage or garbage, such as flies, cockroaches, mice, and rats are called
vermin
food-borne illness causing microbes are often found in
water air sewage soil
what are the four rules set by the USDA as part of the "check your steps" program
1. clean: was hands and surfaces often 2. separate: do not cross contaminate 3. cook: cook to proper temps 4. chill: refrigerate promptly
low acidic foods should be boiled for at least ___ mins to safely destroy the clostridium botulinum
10
for a household of 2 adults and 3 children, it would be prudent to store at least ___ gallons of water to last 5 days to prepare for a disaster
25
what is the law that regulates tap water?
SDWA
T/F: egg cartons will keep eggs fresh longer than a refrigerator's egg compartment
True
single celled microorganisms that are a common food-borne pathogen are
bacteria
the most notable prion disease is ___ ___ ____
bovine spongiform encephalopathy
because of a risk of ____ health experts study the impact of pesticides on people
cancer
transferring a pathogen to vegetables chopped on the same cutting board that was used to cut meat is called
cross contamination
match food preservation with its description
-adding salt or sugar: decrease water available for microbes -canning: removes oxygen that certain microbes need to survive -irradiation: use of radiation energy on foods to disrupt growth of microorganisms, insects, and parasites
match each microorganism that causes food-borne illness with its typical food source
-fish: vibrio vulnifcus -dairy: salmonella and listeria monocytogenes -produce: E. coli O157:H7 and shigella -cooked plant food: clostridum botullnum
methods of nonchemical pest management include
-growing pest resistant crops -using predatory wasps -trapping adult insect pests before they can reproduce
most pathogens multiply
-in the presence of warmth -in the presence of moisture
match each sympton
-influenza: coughing, weakness, and body aches -food borne illness: diarrhea and vomitting
in an emergency situation, which of the following can be used as sources of drinking water for humans
-melted ice cubes -bottled water -water from the toilet tank
examples of contaminants that enter food making it unhealthy for human consumption include
-pathogens -metal fragments from food-processing equipment -insect parts
foods to be included in an emergency food supply should
-require no refrigeration -require no cooking -have a long shelf life
steps that can be used to prevent cross contamination in the refrigerator include
-storing raw meats on the lower shelves -covering foods
common routes for pathogenic contamination include
-transmission from vermin -improper personal hygiene practices -poor food-handling practices -improper heating of foods
what are some strategies to prevent food borne illness when setting the stage for food preparation
-wash hands in between handling different types of food -thoroughly wash hands prior to food preparation