Question 1

Most illnesses caused by food contamination are a result of biological contamination rather than chemical additives.

Accepted Answer

A) True 
 B)False

Question 2

One advantage of extracting organic molecules with ethanol or supercritical carbon dioxide is that there is less hazardous waste generated.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following combinations account for roughly 98% of the additives we use in our food?

Accepted Answer

A) corn syrup, salt and sugar 
B) vitamin C, corn syrup and MSG 
C) flavor extracts, salt and sugar 
D) salt, corn syrup and vitamin C 
A) corn syrup, salt and sugar 
B) vitamin C, corn syrup and MSG 
C) flavor extracts, salt and sugar 
D) salt, corn syrup and vitamin C

Question 4

Food additives are used

Accepted Answer

A) as antioxidants. 
B) to enhance or improve the taste of food. 
C) as preservatives. 
D) all of the above 
A) as antioxidants. 
B) to enhance or improve the taste of food. 
C) as preservatives. 
D) all of the above

Question 5

The purpose of casein in milk is

Accepted Answer

A) as an enzyme. 
B) to stabilize the emulsion of butterfat in water. 
C) as a monosaccharide. 
D) as a catalyst. 
A) as an enzyme. 
B) to stabilize the emulsion of butterfat in water. 
C) as a monosaccharide. 
D) as a catalyst.

Question 6

Water soluble vitamins

Accepted Answer

A) are needed every day or so. 
B) are not excreted. 
C) do not lose their vitamin content when cooked. 
D) are stored in the fat. 
A) are needed every day or so. 
B) are not excreted. 
C) do not lose their vitamin content when cooked. 
D) are stored in the fat.

Question 7

All of the currently approved artificial sweeteners are derived from natural sugars.

Accepted Answer

A) True 
 B)False

Question 8

Fiber in the diet

Accepted Answer

A) provides quick energy. 
B) is readily converted to fat. 
C) makes a person feel full and therefore take in less food. 
D) is rich in vitamins. 
A) provides quick energy. 
B) is readily converted to fat. 
C) makes a person feel full and therefore take in less food. 
D) is rich in vitamins.

Question 9

The class of foods that has the highest caloric value is

Accepted Answer

A) carbohydrates. 
B) fats. 
C) protein. 
D) vitamins. 
A) carbohydrates. 
B) fats. 
C) protein. 
D) vitamins.

Question 10

Malnutrition can develop from eating too many processed foods.

Accepted Answer

A) True 
 B)False

Question 11

Potassium iodide is added to table salt to prevent

Accepted Answer

A) goiters. 
B) caking. 
C) oxidation. 
D) spoiling. 
A) goiters. 
B) caking. 
C) oxidation. 
D) spoiling.

Question 12

The symptoms of ________ include acidosis.

Accepted Answer

A) beriberi 
B) diabetes 
C) kwashiorkor 
D) scurvy 
A) beriberi 
B) diabetes 
C) kwashiorkor 
D) scurvy

Question 13

It is estimated that over ________ of adults in the United States are overweight.

Accepted Answer

A) 35% 
B) 45% 
C) 68% 
D) 20% 
A) 35% 
B) 45% 
C) 68% 
D) 20%

Question 14

Which of the following vitamins can cause sickness if taken in too large a quantity?

Accepted Answer

A) A and D 
B) C 
C) B complex 
D) K 
A) A and D 
B) C 
C) B complex 
D) K

Question 15

Cholesterol that is present in the blood serum is closely associated with

Accepted Answer

A) overactive kidneys. 
B) hardening of the arteries. 
C) diabetes. 
D) osteoporosis. 
A) overactive kidneys. 
B) hardening of the arteries. 
C) diabetes. 
D) osteoporosis.

Question 16

Dietary supplements are regulated as foods rather than as drugs.

Accepted Answer

A) True 
 B)False

Question 17

A significant number of adults suffer from a condition known as lactose intolerance.What is lactose intolerance and why does it occur?

Accepted Answer

Lactose intolerance is a condition in wh

Question 18

The first step in the hydrolysis of fats is splitting them into fatty acids and

Accepted Answer

A) methanol. 
B) ethanol. 
C) fructose. 
D) glycerol. 
A) methanol. 
B) ethanol. 
C) fructose. 
D) glycerol.

Question 19

High quality (better than adequate)protein is a protein that

Accepted Answer

A) contains all the amino acids found in human protein. 
B) contains all the known amino acids. 
C) contains all the essential amino acids in about the same ratio as they occur in human protein. 
D) contains all the amino acids in the same sequence as they are found in human protein. 
A) contains all the amino acids found in human protein. 
B) contains all the known amino acids. 
C) contains all the essential amino acids in about the same ratio as they occur in human protein. 
D) contains all the amino acids in the same sequence as they are found in human protein.

Question 20

A total vegetarian diet supplies an adequate amount of everything a human needs to be totally healthy.

Accepted Answer

A) True 
 B)False

Exam 17: Food

Most illnesses caused by food contamination are a result of biological contamination rather than chemical additives.

One advantage of extracting organic molecules with ethanol or supercritical carbon dioxide is that there is less hazardous waste generated.

Which of the following combinations account for roughly 98% of the additives we use in our food?

Food additives are used

The purpose of casein in milk is

Water soluble vitamins

All of the currently approved artificial sweeteners are derived from natural sugars.

Fiber in the diet

The class of foods that has the highest caloric value is

Malnutrition can develop from eating too many processed foods.

Potassium iodide is added to table salt to prevent

The symptoms of ________ include acidosis.

It is estimated that over ________ of adults in the United States are overweight.

Which of the following vitamins can cause sickness if taken in too large a quantity?

Cholesterol that is present in the blood serum is closely associated with

Dietary supplements are regulated as foods rather than as drugs.

A significant number of adults suffer from a condition known as lactose intolerance.What is lactose intolerance and why does it occur?

The first step in the hydrolysis of fats is splitting them into fatty acids and

High quality (better than adequate)protein is a protein that

A total vegetarian diet supplies an adequate amount of everything a human needs to be totally healthy.

Chemistry

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