FOS 3042 Final Exam

25 July 2022
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question
Air drying is a method used to
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dehydrate foods
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What is the quality defect associated with a hard layer on the outside of foods when undergoing dehydration?
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case hardening
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Which of the following is a factor associated with the drying rate of food?
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air velocity
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Which of the following is TRUE regarding drying curves?
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bound water is harder to remove compared to free water
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Which of the following is considered a quality downgrade in raw poultry?
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broken bones
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When eggs undergo candling
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the egg is passed by a light source to check the position of the yolk and size of aircells
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Egg substitutes most often
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remove the fat from the yolk
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In poultry, dark meat contains
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more fat compared to white meat
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Which of the following affect tenderness, flavor, cook losses, and yield in the quality evaluation of meat?
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All of the above
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The more marbling in red meat is equivalent to
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increased tenderness of the cut
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The cooking of red meat before rigor mortis sets in results in
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extra tender meat
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Muscle composition of red meat contains
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all essential amino acids
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Hexadecanoic fatty acid is also known as
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palmitic acid
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Cod liver oil comes from what animal?
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a fish
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Which of the following lipids comes from a plant source?
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palm & palm kernel oil
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Which of the following is associated with the palatability of ice cream?
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fat content
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Homogenization is an example of
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Size reduction
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Moving food through pipes is an example of
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Fluid flow
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Which preservation method allows the safe transportation of milk in a lunchbox at room temperature?
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UHT Pasteurization
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In thermal processing, it is a good practice to have an Fvalue of
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3.0 or above
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Which of the following is desirable in frozen foods?
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fast freezing
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During what decade was cold preservation commercialized in the United States?
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1920's
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Among the ones listed below, which type of freezer provide the fastest heat transfer?
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Plate freezer
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What is the name of the method used to freeze liquid or semiliquid foods?
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scraped surface freezing
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Which processing method is classified as an additive according to the Food Additives Amendment?
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Irradiation
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What is the compliance date for the new Nutrition Facts Label which became effective in July 2016?
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July 2018
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Which is not a U.S. food law?
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Agricultural Labeling Act
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What kind of a claim is "Helps support your immune system"?
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Structure/Function Claim
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Which of the following is not one of the 9 certified colors approved for food use?
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colorant derived from beets
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Which of the following is not required to be on the new Nutrition Facts Label?
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Vitamin C
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What is the name of a claim made on the label of a food, that characterizes the relationship of any substance to a disease or healthrelated condition?
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Health Claim
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Regulations written by FDA are published in _____________, under Title ______.
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Code of Federal Regulations, 21
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By definition, the ripe ovary and surrounding seeds is considered a
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fruit
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The Nutrition Labeling and Education Act
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made nutritional labeling mandatory
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How many calories or kcals does a gram of protein have?
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4
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What is the most common acid added to food?
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citric acid
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Which fatty acid is also called 18:2?
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linoleic acid
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Which of the following are ways consumers judge food quality using their senses?
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all of the above
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The use of thermal and nonthermal processing techniques to minimize the number of pathogenic and spoilage organisms in food, making them safe and giving them extended shelflife is a definition for
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food preservation
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The acronym "IQF" stand for
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Individually Quick Frozen
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the aircell size in eggs
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gets bigger as the egg gets older
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Who made the earliest peanut butter?
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Aztecs
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Which of the following statements is incorrect about the job of the International Public Health & Trade Manager at FDA whom you were introduced to one of the additional videos of Module 1?
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Inspecting beef carcasses in the Maryland Abattoir
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In which of the following countries the consumers spent the lowest percent of their income on food consumed at home in 2013?
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usa
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What does IFT stand for?
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Institute of Food Technologists
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Which fruit contains the most amount of potassium per 100 g?
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Banana
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What does a bomb calorimeter determine in a food sample?
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Its caloric content
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Which of the following is not true for almond milk?
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It is higher in protein than milk, yogurt or cheese
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Which of the following categories from the food manufacturing industry is not represented in MyPlate?
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Sugar and confectionery products
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Mediterranean Diet is known to be
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high in monounsaturated fat.
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How many calories or kcals does a gram of fat have?
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9
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Which of the following is not a correct match?
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Vitamin B1Riboflavin
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The process where sugars and proteins form characteristic flavor compounds and brown melanoidin compounds is called
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All of the above
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Which of the following are considered organic acids in foods?
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all
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Water Activity (Aw) is defined as
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the ratio of substance vapor pressure / vapor pressure of pure water
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Which of the following sugars is typically called "table sugar"?
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sucrose
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Which of the following are factors effecting bioavailability?
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All of the above
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Which of the following are classifications of carbohydrates?
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all
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Three fatty acids attached to a glycerol backbone is called
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triacylglycerol
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Which fatty acid is also called 18:3?
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linolenic acid
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Substances that quench oxidative reactions are
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antioxidants
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Which is not a type of taste testing?
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square test
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Which of the following are aspects of food quality?
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all
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The process in beer production that produces carbon dioxide and ethanol is known as
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fermentation
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Which is NOT true about tea?
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Yeast is added to start fermentation in oolong or black tea processing.
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Which is NOT a method used to decaffeinate coffee?
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Chill proofing
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Roasted coffee is often vacuum packaged because
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the flavor is very sensitive
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Soft drinks are made up mostly of
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water
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Which is a juice box made of?
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Paper, aluminum foil and plastic
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What causes temporary hardness in water?
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Calcium and magnesium salts which can be removed by boiling
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Where does the air in a milk shake come from?
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Both from the ice cream and whipping with milk
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All of the following statements about enzymes are correct EXCEPT:
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Pectin methyl esterase causes browning of cut fruit.
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Heat applied to make scrambled eggs
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denature proteins
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Which of the following preservation methods will not inactivate enzymes?
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irradiation
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Which is correct about commercial sterility?
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A commercially sterile product may contain a viable spore that cannot grow due to various properties of the food.
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Which microorganism is otherwise known as STEC?
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E. coli O157:H7
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Contamination of organisms that cause foodborne illness is uncommon in
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commercially processed foods
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The most common way of reducing foodborne pathogens in food is
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to properly cook the food
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Fermentation and pickling of vegetables are examples of
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controlled spoilage
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High amounts of isoflavones are found in
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soybeans
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Resveratrol is found in
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the skin of red grapes
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Regarding food composition, you can find an accurate percentage of water and nutrients in
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the USDA Nutrient Database for Standard Reference
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Regarding the optimal quality of fish fillets, it is important to
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wait until rigor mortis has concluded before freezing
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Which of the following is a beginning stage of rigor mortis?
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muscle tissue becomes very tough
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Which term is associated with high quality of red meat by visually evaluating fat dispersed throughout muscle tissue?
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marbeling
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Lactic acid is one of the main products of
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bacterial fermentation
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Thermophilic bacteria prefer
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higher temperatures
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Which of the following are factors causing deterioration?
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All of the above
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Bacteria, yeast, and molds are
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found everywhere
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Triglycerides are also known as
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TAG or triacylglycerol
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Hydrogenating vegetable oils
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forms transfatty acids
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Saturated fatty acids
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do not contain double bonds in the carbon chain
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Which of the following instruments measure color?
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colorimeter
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What is the name for the study of flow and deformation characteristics of (food) materials?
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Rheology
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The process of heating a food, usually liquid, to a specific temperature for a definite length of time, and then cooling it immediately is known as
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pasteurization
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In canning, the target heat treatment is considered the _____ reduction of Clostridium botulinum
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12D
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Which of the following are considered cryogenic freezing methods?
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liquid nitrogen
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As it is associated with the freezing of foods, the water that has yet to be frozen after significant heat removal is
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difficult to freeze
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Refrigeration is considered
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a mild form of food preservation
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Which of the following conditions might occur when foods are frozen?
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crystal nucleation
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A typical poultry processing plant will slaughter approximately
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1 million birds a week
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Which government agency oversees the harvesting of poultry?
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US Dept. of Agriculture
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Lipids in food are commonly known as
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fats and oils
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Which of the following is NOT due to CO2 in carbonated beverages?
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brown color
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Which of the following statements about Black Tea Processing is FALSE?
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Yeasts are added for fermentation of tea leaves
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What is malt?
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Germinated barley (or other grain) in which starch breaking enzymes are activated.
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Which is FALSE regarding coffee production?
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Coffee grows best at sea level.
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From which animal source is there an organism that might take 10 years to show symptoms and last for 20 to 30 years after infection?
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pork
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Which of the following organisms is associated with the direct contact of cat feces?
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Toxoplasma gondii
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Infant botulism might be obtained by the consumption of
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honey
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Which of the following are considered functional groups in foods?
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all
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Which line below shows the food items in decreasing order of water content? Hint: If you are not sure, check the USDA Nutrient Database.
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Apple juice, apples, bread, honey, flour, vegetable oil
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In reference to food additives, the acronym GRAS stands for:
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Generally Recognized As Safe
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Butylated Hydroxytoluene is an example of
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an antioxidant
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What is the name of the seal required on the label of irradiated foods?
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Radura
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Spray drying
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atomizes liquids into small solid particles
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Which of the following are reasons to concentrate foods?
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reduces the weight and volume of the food
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Frozen pepperoni pizza offered for sale in interstate commerce falls under the jurisdiction of ________.
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FDA
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Food Safety and Modernization Act aims to ensure the U.S. food supply is safe by shifting the focus from responding to contamination to
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preventing the contamination.
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The Food Code sets forth model provisions for keeping food safe in restaurant, cafeteria, and institutional food operations. These model provisions may be adopted by local governments as legal requirements for food service establishments within their jurisdiction. Which agency publishes the Food Code?
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FDA
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What drives heat transfer?
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Temperature gradient
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Addition of folic acid to foods is an example of
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Nutrient fortification
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Which of the following is NOT an example of separation in food processing?
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gelation
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What microorganism is considered the most heat resisitant pathogen found in food?
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Salmonella
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Enzyme activity in foods that undergo freezing conditions
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slows down
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Immersion freezing can be
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expensive
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Which of the following statements is TRUE about frozen foods?
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Food freezes from the outside in.
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Which of the following is a disadvantage of sun drying?
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Usually can't get moisture content below 15%
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Which of these make a better meat marinade for dry heat cooking?
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i think lemon juice
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The process that skims boiled animal fat in water is known as
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rendering
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If an animal is stressed before harvest, which of the following will occur?
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fast rigor mortis
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Which of the following answers is associated with the quality of red meat and fish?
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age of the red meat or fish
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Why is it better for tougher cuts of meat to be cooked slowly at low temperatures?
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maybe both of these?
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butter contains approximately
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80% fat
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Fats and oils are otherwise known as
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triacylglycerols
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Food companies can legally add water to meat and fish using
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phosphates
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fats are
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crystalline in nature
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Which of the following statements about the Swiss Water Process is FALSE?
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Caffeine is removed from the beans by osmosis (i think)
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What are adjuncts in beer making?
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Cereals like corn and rice added used to cut down cost and add flavor
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Which of the following ingredients does not lower the pH of a carbonated beverage?
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flavors
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How do calcium and magnesium affect brewing?
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All of the above explain how these minerals affect brewing.
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What is the very first method of food processing discovery?
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cooking
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Understanding the changes in the quality of produce on the way to the grocery store is possible with the knowledge of:
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Materials Science (I THINK)
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Which of the following is a correct match of a field of study and its benefit to the food scientists?
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Biotechnology: Enzymes for cheese manufacturing
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Beef, pork and poultry are part of what category in the food manufacturing industry?
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animal slaughtering and processing i think
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Which of the following is NOT a method used for proximate analysis of food composition?
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Tasting for sweetness as an indication of carbohydrate content
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What nutrient is not added back to a refined grain that has been enriched?
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Fiber
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What is another name for Vitamin B2?
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Riboflavin
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What vitamin is formed in the body when skin is exposed to sunlight?
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vitamin D
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Foods are ___________ composed of elements from the periodic table.
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inorganic i think
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pectin
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helps form jams and jellies
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Which of the following is considered a natural food colorant?
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carminic acid
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Which of the following is an antioxidant used in food products?
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BHA
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Which of the following are potential hazards in foods?
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all
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From which animal source is there an organism that might take 10 years to show symptoms and last for 20 to 30 years after infection?
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pork
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What organism was the number one cause of bacterial foodborne illness in the United States in 2012?
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Salmonella
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Which of the following is a parasitic hazard in raw pork?
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Trichinella
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Which of the following enzymes cause browning of apple slices?
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Polyphenol oxidase
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Why would one sometimes see rice salt shakers?
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Rice helps salt flow freely by binding excessive moisture.
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Which of the following does not act like a photosensitizer?
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casein
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which of the following is not a possible result of microbial activity
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crystallization of water
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Excessive heating of foods during preparation or storage will cause
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all
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plasmolysis
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all
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Each of the following indicates a desirable characteristic of a chemical preservative except:
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Enhances flavor and color of the product
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Which of the following is the major cause of microbial death during drying?
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High temperature-low moisture conditions that last throughout cooling
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Which of the following is not added to foods with the purpose of controlling microbial growth?
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glycerin
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Which of the following is not a correct match?
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Polysorbate in squeezable relish-Antioxidant
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Which of the following accurately explain(s) why someone may want to add a few grains of rice to their salt shaker?
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To absorb moisture from ambient air so that those water molecules are not available for a saturated salt solution on salt crystals.
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Why is raw milk "off limits" according to the authors of the book "Food Bites"?
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because of listeria
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Milk is fermented by bacteria to produce
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all
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Which of the following gets the biggest share of each dollar spent by the U.S. consumer on domestically produced food?
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retail trade
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cellulose is
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a polysaccaride
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Which of the following is similar to cellulose because it is insoluble dietary fiber?
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hemicellulose
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What illustrative educational tool is intended for an easy way for consumers to remember which food groups to eat the most of and which to eat the least of?
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MyPlate