Shared Flashcard Set

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Public Health
Vol. 3 Food Safety
146
Other
Undergraduate 3
10/21/2016

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Cards

Term
What causes the most food spoilage?
Definition
Microorganisms
Term
What are spherical-shaped bacteria called?
Definition
Cocci
Term
What are rod-shaped bacteria called?
Definition
Bacilli
Term
What conditions can endospores resist?
Definition
Heat, cold, drying, & many disinfectants
Term
What do fungi secrete to meet their metabolic needs?
Definition
Digestive enzymes
Term
What is the mass of hyphae called that makes up a mold colony?
Definition
Mycelium
Term
What prominent factors have an impact on microbial activity?
Definition
Nutrients, natural inhibitors, and microbial flora
Term
What do cranberries have a relatively high concentration of?
Definition
Benzoic acid
Term
What becomes the dominant microorganism as the pH drops in foods?
Definition
Yeasts and molds
Term
What does a pH value of 7 represent?
Definition
Neutral, its not acidic/alkaline
Term
In what pH condition do molds grow better in?
Definition
Acidic
Term
What most often causes meat spoilage?
Definition
Bacteria
Term
What are the three temperature groupings of microorganisms?
Definition
Psychrophiles, mesophiles, & thermophiles
Term
What temperature grouping promotes microbial growth at relatively low temperatures?
Definition
Psychrophiles
Term
Thermophile microorganisms grow relatively well at what temperature range?
Definition
High
Term
What is a microorganism that grows best at moderate temperatures, but can also grow at low temperatures?
Definition
Psychrotroph
Term
What are the four bacterial growth phases?
Definition
Lag, Log, Stationary, & Decline
Term
What happens during the log phase of bacterial growth?
Definition
Bacteria grow logarithmically or very rapidly
Term
In what bacterial growth phase does the reproductive rate equal the death rate of bacterial cells?
Definition
Stationary phase.
Term
What bacterial growth phase begins when cells start dying because of the accumulation of waste materials and depletion of nutrients?
Definition
Decline phase
Term
What microorganisms can live and grow in the presence of free oxygen?
Definition
Aerobic microorganisms
Term
What are the two ways water exists in foods?
Definition
Bound and free.
Term
What is a halophilic bacteria?
Definition
Salt-loving bacteria
Term
What substance is a catalyst that breaks down substrates such as carbohydrates, fats, and proteins in foods?
Definition
Enzymes
Term
What food process are beneficial enzymes involved in?
Definition
Ripening fruits and vegetables
Term
What items in the food industry inhibit enzymes in foods?
Definition
Preservatives, antibiotics, inhibitors, poisons, and insecticides
Term
What are some examples of undesirable microorganism changes?
Definition
Salmonella, Staphlococcus, & Clastridium
Term
What are the favorable temperatures for Salmonella growth?
Definition
40F - 115F (4 - 46 C)
Term
How soon after the ingestion of Salmonella contaminated foods will illness symptoms occur?
Definition
6-72 hrs w/ an average of 12-36 hrs
Term
What are the symptoms of a strptococcal infection transmitted through food?
Definition
Red sore throat, high fever, & vomitting
Term
What is a common inhavitant of the intestinal tract of cattle, swine, sheep, chickens, turkeys, and other animals such as dogs, cats, rodents, and monkeys?
Definition
C. jejuni
Term
What are the symptomsif a person is infected with C. jejuni?
Definition
Nausea, abdominal cramps, headache, fever, and diarrhea which might be bloody if severe
Term
What are the manifestations of Listeria monocytogenes?
Definition
Meningitis, abortion, prenatal septicemia, permanent mental deficiency, or death.
Term
What is a realistic and satisfactory positive control for an internal cooking temperature for pork products?
Definition
170F (77 C)
Term
What is the most common cause of foodborne intoxications?
Definition
Bacteria
Term
How is the toxin produced from Staphylococcus organisms destroyed?
Definition
Nothing will destroy it.
Term
What causative agent lives in decaying matter, soil, lake silt, and isoften found in animal intestinal tracts?
Definition
C. botulinum
Term
Cooked meats and poultry have been the chief offender in foodborne illness outbreaks for what organism?
Definition
C. perfringens
Term
What are the symptoms of C. perfringens foodborne illness?
Definition
Acute abdominal pain, gas, diarrhea, chills, and fever
Term
In a regrigerated storage unit, what is the best control measure for cooling foods until the ideal temperature is reached?
Definition
Leave foods uncovered
Term
What factors must be present for a foodborne illness to occur?
Definition
An agent, a vehicle, a susceptible consumer, and an abuse of a food handling procedure.
Term
What factors determine the effect a food pahtogen has on an individual?
Definition
The person's size, age, present health, eating habits, and dose of the pathogen
Term
How often should you exercise your bases foodborne illness investigation plan?
Definition
Annually
Term
What organization develops a notification plan or recall roster in case of a foodborne illness outbreak?
Definition
MTF
Term
What must be present first for a foodborne illness to occur?
Definition
Infective agent or pathogen
Term
What should the patient interview identify after an outbreak of a foodborne illness?
Definition
A common meal or facility
Term
After notification of a foodborne illness, when should a sanitary efaluation be conducted at a suspected facility?
Definition
Immediately after interviewing patients and finding a common facility, meal, or food.
Term
What two PH teams collect food samples after a foodborne illness?
Definition
Patient interview and collecting food sample team.
Term
Where can you get help investigating a foodborne illness, if you are overwhelmed?
Definition
AFIOH/SDE
Term
On what form do you record food history for each individual interviewed?
Definition
AF Form 431
Term
What does the bacteria metabolizing sugars in foods produce?
Definition
Levans and dextrans
Term
What conditions does flavor detiorative include?
Definition
Rancidity, putrefaction, souring, and gassing
Term
What causes rancidity in meats?
Definition
Hydrolysis or oxidation.
Term
What is a type of spoilage where bacteria metabolizes meat proteins or free amino acids?
Definition
Putrefaction
Term
What causes a sour flavor in meat?
Definition
Anaerobic bacteria metabolize carbohydrates in meats causing lactic acid that brings down the pH and develops a sour flavor.
Term

What are the three types of "greening" in meats?

 

Definition
Green sores, green rings, and surface greening
Term
How does the "greening" of meat occur?
Definition
Bacteria such as Lactobacillus viridescens produce hydrogen peroxide.
Term
How is the greening organisms destroyed during processing?
Definition
Cooking the meat to an internal temperature of 160 F
Term
What are "green rings" as it pertains to meats?
Definition
They're similar to green cores except that the greening occurs in rings at varing depths within the meat
Term
At 32*F (0*C) how long can fresh fish be kept?
Definition
7 days
Term
What causes the typical fishy odor in fish?
Definition
Trimethylamine
Term
Why does fish struggling before being caught cause the pH to be higher?
Definition
Glycogen is depleted which is usully broken down into lactic acid that lowers the pH.
Term
How is knowing the formation of an egg helpful?
Definition
It helps to explain some defects of eggs.
Term
Why are shell eggs porous?
Definition
Allow gases to pass in and out the egg
Term
Most organisms that affect the flavor of milk belong to what species and coliform?
Definition
Pseudomonas, Flavobacterium, Chromobacterium, and Alcaligenes
Term
What type of organism causes most vegetable spoilage?
Definition
Bacteria
Term
What temperature in the thermal or heating processing begins to kill pathogenic bacteria?
Definition
140*F (60*C)
Term
What heating process prevents canned food from being cooked to the can walls at high temperatures and prevents harming the product?
Definition
Agitation
Term
What not only offers protection for the food product, but also allows high-speed production?
Definition
Cans
Term
List the four basic types of regrigeration used in cooling foods?
Definition
Room cooling, hydrocooling, vacuum cooling, and icing.
Term
Which is the time lapse from one cell division to the next called?
Definition
Generation time
Term
Which process is the forming of the endospore during bacterial growth?
Definition
Sporulation
Term
Besides microbial flora and natural inhibitors, which other prominent factor has an impact on microbial activity?
Definition
Nutrients
Term
Which chemical can be added to food to adjust the potential hydrogen (pH)?
Definition
Acetic acid
Term
Which describes facultative microorganisms?
Definition
Microorganisms that can grow with or without oxygen in the environment.
Term
Which disease is more common than both salmonellosis and shigellosis?
Definition
Campylobacter enteritis
Term
Which toxin is considered "heat stable"?
Definition
Staphylococcal foodborne intoxication
Term
Which toxin causes a descending symmetrical flaccid paralysis which may progress until there is complete respiratory paralysis?
Definition
Botulism
Term
Which agent causes over 68 percent of foodborne illnesses?
Definition
Bacterial
Term
Which are the two types of samples collected during a foodborne illness outbreak investigation?
Definition
Human and food
Term
Hydrolysis or oxidation in meats is caused by?
Definition
oxygen reacting with fats
Term
Which causes putrefaction spoilage in meats?
Definition
Bacteria reacting with amino acids
Term
Which produces aflatoxins?
Definition
Mold
Term
The glycogen in fish is broken down to lactic acid causing?
Definition
lower pH, limiting bacterial growth
Term
Which bacteria is found in the reproduction tract of chickens?
Definition
Salmonella enteriditis
Term
Which product does not usuually have spoilage problems since there is not much time between its pasteurization and freezing?
Definition
Hardened ice cream
Term
Most vegetable spoilage is caused by?
Definition
Bacteria
Term
Which is the predominant furit spoilage organism?
Definition
Molds
Term
In thermal or heat processing most organisms start to die at which degrees Fahrenheit?
Definition
179
Term
Newer cans have which type of seam?
Definition
Top
Term

At which degrees Fahrenheit is milk kept for three seconds making it an ultra-high temperature (UHT) pasteurizing for milk?

 

Definition
207
Term
Acetic acid usually lowers the potential hydrogen (pH) level in catsup, salad dressings, and pickles to which level or below?
Definition
5.0
Term
Which method is becoming more cost effective to use as a food preservation technique?
Definition
Irradiating
Term
Which organiztion accumulates data and tries to find answers to very important questions such as "Will food irradiation create an environment in whch microorganisms can adapt and flourish?"
Definition
Food and Drug Administration (FDA)
Term
Nitrates and nitrites are added to foods, such as meats, to?
Definition
fix the color
Term
Which function or requirement must food containers meet to ensure foods are protected?
Definition
Protect against moisture, gas, odor, and light.
Term
Most cans are made of?
Definition
Steel
Term
Which metal has a lower chance for atmospheric corosion and is easier to shape into cans?
Definition
Aluminum
Term
Which type of critical defect occurs when both ends of a can are distended at the same time?
Definition
Sweller
Term
Which is not true of glass used in food packaging?
Definition
Must be treated, coated, or laminated to improve its protective qualities.
Term
Which guide is used for food storage, determinig shelf life and humidity requirements of both perishable andsemipershable foods?
Definition
DODR 4145.19-R-1, Storage and Materials Handling
Term
The long standing rule for proper food rotation is?
Definition
First in, First out
Term
Which happens to food when it's stored in high levels of humidity?
Definition
Absorbs the water
Term
Which is an indicator that a freezer has air leaking in or out of a door seal?
Definition
Ice around the door
Term
Which is the minimum sanitary compliance rating (Percent) a company must have to be listed in Food and Drug Administration's (FDA) Interstate Milk Shipper's List?
Definition
90
Term
Section 2 of the Dairty Plants Surveyed and Approved for United States Department of Agriculture Grading Service may have products produced from dairy ingredients that didn't originate from which type of approved plant?
Definition
United States Department of Commerce (USDC)
Term
round US Department of Agriculture (USDA) wholesomeness stamp indicates products that?
Definition
are from an approved source
Term
A yield grade is...?
Definition
an estimate of the amount of lean meat to fat and bone
Term
In reference to poultry products, the term "style" means..?
Definition
type of cut
Term
When a product receives the US Department of Agriculture inspectors stamp it means the product meets the..?
Definition
purchaser's requirements
Term
Which is the main reason Prime Vendor contracts were developed?
Definition
Reduce costs and improve food quality
Term
If Class 4 foods are found to be unwholesome, they are..?
Definition
rejected
Term
Who determines to accept or reject items based on a food receipt inspection?
Definition
Accountable officer
Term
Which military standeard is used whenever any pest infestation or contamination is detected?
Definition
904
Term
The number primary containers, shipping containers, and pallets that should be sampled during an intial inspection is determined in accordance with?
Definition
Joint Receipt Food Inspection Manual
Term
Which type of food inspection is performed when storage conditions have been less than ideal?
Definition
Biased sampling
Term
A food warranty inspection is usually intiated...?
Definition
by finding excessive defects
Term
Where does the original copy of DD Form 1714 go?
Definition
Accountable officer
Term
Which type of food lot consists of two or more lots of like quality grouped together to decrease the cost of surveillance inspections by reducing the number of samples?
Definition
Grand
Term
Under which situation can inspection frequency be adjusted on a semi-annual semiperishable subsistence inspection?
Definition
Evidence of infestation
Term
When using the serviceability quality level (SQL), which do you base acceptance and rejection of food subsistence on?
Definition
Numbers
Term
Perishable food class 9 inspections are conducted?
Definition
every 90 days
Term
Which takes place, if during the warranty period for rations, an inspection is performed and the results show excessive deterioration?
Definition
Another inspection is conducted using end-item criteria
Term
Which appendix of Defense Logistics Agency (DLA) Troop Support Handbook 4155.2, Inspection of Operational Rations, is referenced for meal, ready-to-eat (MRE0 rations?
Definition
A
Term
Which term is used to define how often food is inspected?
Definition
Frequency
Term
Which is the next step once a recalled product is found in a base facility?
Definition
Place it on medical hold
Term
Who is responsible for ensuring the food facility operations comply with the foodborne disease outbreaks?
Definition
Cross contamination of foods
Term
What organization establishes the criteria for the type and frequency of medical examinations that are required for food service employees?
Definition
Aerospace Medicine Council
Term
Which statement best describes hand-washing procedures that food employees should follow to prevent the spread of disease?
Definition
Vigorously rub hands and arms with soap and water for 20 seconds
Term
Which method of thawing potentially hazardous food prior to cooking is the least preferred?
Definition
Under running water
Term
At least how many inches above the floor should foods be stored to provide for easier cleaning?
Definition
6
Term
The purpose of a cleaning agent is to...?
Definition
lift soil from the surface being cleaned and keep it suspended
Term
There are three main types of cleaning agents: alkaline, acid, and....?
Definition
abrasive
Term
Which defines the term sanitized?
Definition
Reduction of the microbial contamination of an object or surface
Term
Why is the design of the outside back dock area important in a facility wher food is being prepared?
Definition
First line of defense against insects and rodents
Term
When, if ever, may normal metal utensils be used for preparing foods and serving them to patrons of a mbile food facility?
Definition
When they can be washed and sanitized properly
Term
Which statement meets the requirements for dairy products in an approved vending machine?
Definition
Coded, and removed by the manufacturer's expiration date
Term
Which organization evaluates the sanitary conditions of vending machines?
Definition
Public health flight
Term
Which is the primary reason why hospital kitchens differ from other food facilities?
Definition
Hospital patients are more susceptible to a foodborne disease outbreak
Term
Which is the shelf life for frozen meals when they are to be used in-flight?
Definition
Six months
Term
Who is responsible for sampling the water aboard commercial aircraft that are under contract with the Air Force?
Definition
Bioenvironmental engineering section
Term
After an establishment gains approval to sell its product to a base, it must continue to be inspected at a frequency established by the Aerospace Medicine Council. What are these inspections called?
Definition
Routine
Term
When is the most appropriate time to have a child development facility sprayed with insecticides or pesticides to control insects and rodents?
Definition
Immediately after closing for the day
Term
At a minimum, how often should base public facilities be evaluated?
Definition
Annually
Term
Which Defense Commissary Agency (DeCA) directive covers the prohibition of tobacco use by employees and the requirements for a self-inspection program?
Definition
40-3, Meat Department Operations
Term
Changing the behavior of food facility workers begins with...?
Definition
management
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