FOS 3042 Exam 3 questions n
answers rated A+
Which of the following does not act like a photosensitizer?
Casein
Riboflavin
Chlorophyll
Vitamin B2 - correct answer ✔✔casein
Which of the following is not a result of light exposure of food?
Off-flavor formation in milk
Discoloration of cured meat
Reduced tenderness and juiciness in meat
Destruction of vitamins - correct answer ✔✔Reduced tenderness and juiciness in meat
Which of the following is not added to foods with the purpose of controlling microbial growth?
Nitrites
Glycerin
Phosphates
Sorbic acid - correct answer ✔✔Glycerin
What causes plasmolysis?
Saturating the taste buds with favorite food.
Shaking beverages.
Rehydrating previously dried food.
,Placing food in syrup or brine. - correct answer ✔✔Placing food in syrup or brine.
What organism was the number one cause of bacterial foodborne illness in the United States in
2012?
Salmonella
Campylobacter
E. coli
Listeria - correct answer ✔✔Salmonella
In many cases, fermentation causes the pH of foods to
increase
decrease
stabilize
neutralize
equilibrate - correct answer ✔✔decrease
What are some of the new technologies to preserve foods without altering their flavor and
texture?
1. Canning
2. High pressure processing
3. Batch sterilization
4. Oscillating electric fields
,1 and 2
2 and 3
3 and 4
2 and 4 - correct answer ✔✔2 and 4
Which is a good way to keep guacamole from turning brown?
Keeping in a well-sealed container
Using avocados dipped in sugar
Adding salt
All of these - correct answer ✔✔Keeping in a well-sealed container
The most common way of reducing foodborne pathogens in food is
to properly cook the food
store food at room temperature
to use sterile containers
to use a microwave - correct answer ✔✔to properly cook the food
Which of the following organisms is associated with the direct contact of cat feces?
Felix felicis
Toxoplasma gondii
Cyclospora
Cryptosporidium parvum - correct answer ✔✔Toxoplasma gondii
, Which of the following are potential hazards in foods?
chemical
physical
biological
All of the above - correct answer ✔✔All of the above
Although Norovirus is thought to be responsible for 50% of foodborne gastroenteritis in the
United States
it is very difficult to contract from food handlers
it is rarely diagnosed because symptoms disappear within 24 hours and are not reported
it's not a major concern of the scientific community
the symptoms take weeks to become apparent after ingestion of contaminated food - correct
answer ✔✔it is rarely diagnosed because symptoms disappear within 24 hours and are not
reported
Infant botulism might be obtained by the consumption of
contaminated milk
contaminated water
honey
soft drinks - correct answer ✔✔honey
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?
beef
chicken
answers rated A+
Which of the following does not act like a photosensitizer?
Casein
Riboflavin
Chlorophyll
Vitamin B2 - correct answer ✔✔casein
Which of the following is not a result of light exposure of food?
Off-flavor formation in milk
Discoloration of cured meat
Reduced tenderness and juiciness in meat
Destruction of vitamins - correct answer ✔✔Reduced tenderness and juiciness in meat
Which of the following is not added to foods with the purpose of controlling microbial growth?
Nitrites
Glycerin
Phosphates
Sorbic acid - correct answer ✔✔Glycerin
What causes plasmolysis?
Saturating the taste buds with favorite food.
Shaking beverages.
Rehydrating previously dried food.
,Placing food in syrup or brine. - correct answer ✔✔Placing food in syrup or brine.
What organism was the number one cause of bacterial foodborne illness in the United States in
2012?
Salmonella
Campylobacter
E. coli
Listeria - correct answer ✔✔Salmonella
In many cases, fermentation causes the pH of foods to
increase
decrease
stabilize
neutralize
equilibrate - correct answer ✔✔decrease
What are some of the new technologies to preserve foods without altering their flavor and
texture?
1. Canning
2. High pressure processing
3. Batch sterilization
4. Oscillating electric fields
,1 and 2
2 and 3
3 and 4
2 and 4 - correct answer ✔✔2 and 4
Which is a good way to keep guacamole from turning brown?
Keeping in a well-sealed container
Using avocados dipped in sugar
Adding salt
All of these - correct answer ✔✔Keeping in a well-sealed container
The most common way of reducing foodborne pathogens in food is
to properly cook the food
store food at room temperature
to use sterile containers
to use a microwave - correct answer ✔✔to properly cook the food
Which of the following organisms is associated with the direct contact of cat feces?
Felix felicis
Toxoplasma gondii
Cyclospora
Cryptosporidium parvum - correct answer ✔✔Toxoplasma gondii
, Which of the following are potential hazards in foods?
chemical
physical
biological
All of the above - correct answer ✔✔All of the above
Although Norovirus is thought to be responsible for 50% of foodborne gastroenteritis in the
United States
it is very difficult to contract from food handlers
it is rarely diagnosed because symptoms disappear within 24 hours and are not reported
it's not a major concern of the scientific community
the symptoms take weeks to become apparent after ingestion of contaminated food - correct
answer ✔✔it is rarely diagnosed because symptoms disappear within 24 hours and are not
reported
Infant botulism might be obtained by the consumption of
contaminated milk
contaminated water
honey
soft drinks - correct answer ✔✔honey
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?
beef
chicken
