ENV Health (PH 335) CHAP 11&12
Exam Study Set
The advantages of genetically modified foods do not include:
a. Development of herbicide resistance
b. Reduction in genetic diversity
c. Increased nutritional value of foods
d. Increased crop yields
e. Increased resistance of food animals to disease - ANSWER Reduction in genetic
diversity
The purpose of metaphylaxis is to:
a. Cure disease among an entire population of animals
b. Prevent disease among an entire population of animals
c. Improve the nutritional value of meat, fish, and poultry
d. All of the above
e. A and B - ANSWER A and B
A justification for the hazard analysis of critical control points is that:
a. Health hazards can be introduced at any point from harvest to consumption.
b. Chemical additives are the most dangerous food-associated health hazards at
present.
c. Food-associated illness is almost exclusively due to Salmonella.
d. Poor canning practices cause the greatest number of food-related intoxications.
e. None of the above - ANSWER Health hazards can be introduced at any point from
harvest to consumption
Chemical hazards that may be present in food include:
a. Marine toxins
b. Heavy metals
, c. Monosodium glutamate
d. Mushroom toxins
e. All of the above - ANSWER All of the above
20. Which of the following is an interpretation of the Delaney Clause?
a. Toxic chemicals are not permitted in food in any amounts.
b. Carcinogenic chemicals are not permitted in food in any amounts.
c. The Food Additives Amendment allows low levels of substances that cause cancer in
animals but not in human beings.
d. The primary responsibility for safety of food additives rests with the local boards of
health.
e. None of the above - ANSWER Carcinogenic chemicals are not permitted in food in any
amounts.
Food additives are used to achieve all the following except:
a. Provide effective protection from microbial growth in storage
b. Make the food more attractive
c. Keep food free from rodent filth
d. Protect the nutritional quality of foods
e. Keep certain products such as table salt from caking - ANSWER Keep food free from
rodent filth
When used as a food additive, nitrates and nitrites:
a. Are a significant cause of carboxyhemoglobin
b. May react with other substances to form carcinogens
c. Have been demonstrated to have carcinogenic properties by themselves
d. All of the above
e. None of the above - ANSWER May react with other substances to form carcinogens
The abbreviation GRAS stands for:
a. Greatly Researched Additives that are Safe
b. Generally Regarded As Safe chemical additives
c. Grossly Reported As Sanitary
Exam Study Set
The advantages of genetically modified foods do not include:
a. Development of herbicide resistance
b. Reduction in genetic diversity
c. Increased nutritional value of foods
d. Increased crop yields
e. Increased resistance of food animals to disease - ANSWER Reduction in genetic
diversity
The purpose of metaphylaxis is to:
a. Cure disease among an entire population of animals
b. Prevent disease among an entire population of animals
c. Improve the nutritional value of meat, fish, and poultry
d. All of the above
e. A and B - ANSWER A and B
A justification for the hazard analysis of critical control points is that:
a. Health hazards can be introduced at any point from harvest to consumption.
b. Chemical additives are the most dangerous food-associated health hazards at
present.
c. Food-associated illness is almost exclusively due to Salmonella.
d. Poor canning practices cause the greatest number of food-related intoxications.
e. None of the above - ANSWER Health hazards can be introduced at any point from
harvest to consumption
Chemical hazards that may be present in food include:
a. Marine toxins
b. Heavy metals
, c. Monosodium glutamate
d. Mushroom toxins
e. All of the above - ANSWER All of the above
20. Which of the following is an interpretation of the Delaney Clause?
a. Toxic chemicals are not permitted in food in any amounts.
b. Carcinogenic chemicals are not permitted in food in any amounts.
c. The Food Additives Amendment allows low levels of substances that cause cancer in
animals but not in human beings.
d. The primary responsibility for safety of food additives rests with the local boards of
health.
e. None of the above - ANSWER Carcinogenic chemicals are not permitted in food in any
amounts.
Food additives are used to achieve all the following except:
a. Provide effective protection from microbial growth in storage
b. Make the food more attractive
c. Keep food free from rodent filth
d. Protect the nutritional quality of foods
e. Keep certain products such as table salt from caking - ANSWER Keep food free from
rodent filth
When used as a food additive, nitrates and nitrites:
a. Are a significant cause of carboxyhemoglobin
b. May react with other substances to form carcinogens
c. Have been demonstrated to have carcinogenic properties by themselves
d. All of the above
e. None of the above - ANSWER May react with other substances to form carcinogens
The abbreviation GRAS stands for:
a. Greatly Researched Additives that are Safe
b. Generally Regarded As Safe chemical additives
c. Grossly Reported As Sanitary