Question 1

Which of the following comprises the vitamin B₆ "umbrella" of compounds?

Accepted Answer

A)  pyridoxal, pyridoxine, and pyridoxamine 
B)  retinol, retinal, and retinoic acid 
C)  cholecalciferol and ergocalciferol 
D)  phylloquinone and menaquinone 
A)  pyridoxal, pyridoxine, and pyridoxamine 
B)  retinol, retinal, and retinoic acid 
C)  cholecalciferol and ergocalciferol 
D)  phylloquinone and menaquinone

Question 2

What is the only water-soluble vitamin that can be stored in large amounts in the human body?

Accepted Answer

A)  thiamin 
B)  vitamin B₁₂ 
C)  vitamin C 
D)  vitamin D 
A)  thiamin 
B)  vitamin B₁₂ 
C)  vitamin C 
D)  vitamin D

Question 3

Megadosing is defined as consuming a dose of a nutrient that is how many times the recommended intake?

Accepted Answer

A)  double 
B)  triple 
C)  ≥ 10 
D)  ≥ 20 
A)  double 
B)  triple 
C)  ≥ 10 
D)  ≥ 20

Question 4

Which of the following,found in high-fiber foods,inhibits the absorption of iron and zinc?

Accepted Answer

A)  heme 
B)  oxalic acid 
C)  phenol 
D)  pyridoxine 
A)  heme 
B)  oxalic acid 
C)  phenol 
D)  pyridoxine

Question 5

Which of the following statements about micronutrient absorption is TRUE?

Accepted Answer

A)  The body's absorption of micronutrients is somewhat more efficient than the body's absorption of macronutrients. 
B)  The calcium in spinach, nuts, and seeds is absorbed at a higher percentage than the calcium in milk. 
C)  Iron competes with both copper and zinc for absorption across the enterocytes. 
D)  Iron absorption is increased in high-fiber meals and reduced in meals containing vitamin C. 
A)  The body's absorption of micronutrients is somewhat more efficient than the body's absorption of macronutrients. 
B)  The calcium in spinach, nuts, and seeds is absorbed at a higher percentage than the calcium in milk. 
C)  Iron competes with both copper and zinc for absorption across the enterocytes. 
D)  Iron absorption is increased in high-fiber meals and reduced in meals containing vitamin C.

Question 6

Ultra-trace minerals are required in amounts less than 1 mg per day.

Accepted Answer

A) True 
 B)False

Question 7

The letters used to identify the fat-soluble vitamins indicate the

Accepted Answer

A)  compound from which the vitamins are synthesized. 
B)  order of importance that the vitamins play in the body. 
C)  abbreviation of the vitamins' chemical name. 
D)  chronological order in which the vitamins were discovered. 
A)  compound from which the vitamins are synthesized. 
B)  order of importance that the vitamins play in the body. 
C)  abbreviation of the vitamins' chemical name. 
D)  chronological order in which the vitamins were discovered.

Question 8

What distinguishes a major mineral from a trace mineral?

Accepted Answer

A)  quantity of the mineral found in foods 
B)  quantity of the mineral found in nature 
C)  daily requirement for the mineral and amount found in the body 
D)  importance to the body of the mineral 
A)  quantity of the mineral found in foods 
B)  quantity of the mineral found in nature 
C)  daily requirement for the mineral and amount found in the body 
D)  importance to the body of the mineral

Question 9

The iron in breakfast cereal is absorbed more readily when consumed with a glass of vitamin C-rich orange juice.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following statements does NOT describe water-soluble vitamins?

Accepted Answer

A)  Water-soluble vitamins are absorbed easily from the intestinal tract into the blood. 
B)  Water-soluble vitamins are stored in large amounts in the body. 
C)  Water-soluble vitamins are found in a wide variety of foods. 
D)  Water-soluble vitamins are rarely toxic. 
A)  Water-soluble vitamins are absorbed easily from the intestinal tract into the blood. 
B)  Water-soluble vitamins are stored in large amounts in the body. 
C)  Water-soluble vitamins are found in a wide variety of foods. 
D)  Water-soluble vitamins are rarely toxic.

Question 11

Which of the following observations led to the discovery of vitamin A?

Accepted Answer

A)  Chickens fed polished rice developed paralysis. 
B)  Children who regularly ate fish rarely developed a form of blindness common among children who did not eat fish. 
C)  Impoverished people eating a very low-quality diet were at high risk for developing pellagra. 
D)  Sailors on long sea voyages developed scurvy. 
A)  Chickens fed polished rice developed paralysis. 
B)  Children who regularly ate fish rarely developed a form of blindness common among children who did not eat fish. 
C)  Impoverished people eating a very low-quality diet were at high risk for developing pellagra. 
D)  Sailors on long sea voyages developed scurvy.

Question 12

Even individuals who eat a variety of healthful foods cannot meet their micronutrient needs from food alone and should take a daily supplement.

Accepted Answer

A) True 
 B)False

Question 13

Which statement is FALSE regarding fat-soluble vitamins?

Accepted Answer

A)  Fat-soluble vitamins are stored in adipose tissue and the liver. 
B)  Over-consumption of fat-soluble vitamins can lead to toxicity symptoms. 
C)  Fat-soluble vitamins need to be consumed on a daily basis. 
D)  Fat-soluble vitamins are absorbed along with dietary fat. 
A)  Fat-soluble vitamins are stored in adipose tissue and the liver. 
B)  Over-consumption of fat-soluble vitamins can lead to toxicity symptoms. 
C)  Fat-soluble vitamins need to be consumed on a daily basis. 
D)  Fat-soluble vitamins are absorbed along with dietary fat.

Exam 21: Vitamins and Minerals: Micronutrients With Macro Powers

Which of the following comprises the vitamin B₆ "umbrella" of compounds?

What is the only water-soluble vitamin that can be stored in large amounts in the human body?

Megadosing is defined as consuming a dose of a nutrient that is how many times the recommended intake?

Which of the following,found in high-fiber foods,inhibits the absorption of iron and zinc?

Which of the following statements about micronutrient absorption is TRUE?

Ultra-trace minerals are required in amounts less than 1 mg per day.

The letters used to identify the fat-soluble vitamins indicate the

What distinguishes a major mineral from a trace mineral?

The iron in breakfast cereal is absorbed more readily when consumed with a glass of vitamin C-rich orange juice.

Which of the following statements does NOT describe water-soluble vitamins?

Which of the following observations led to the discovery of vitamin A?

Even individuals who eat a variety of healthful foods cannot meet their micronutrient needs from food alone and should take a daily supplement.

Which statement is FALSE regarding fat-soluble vitamins?

Nutrition: Linking Food and Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

Fats: Essential Energy-Supplying Nutrients

Proteins: Crucial Components of All Body Tissues

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Essential to Key Body Functions

Nutrients Essential to Healthy Tissues

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Food Safety and Technology: Protecting Our Food

Food Equity,Sustainability,and Quality: The Challenge of Good Food

Nutrition Through the Lifecycle: Pregnancy and the First Year of Life

Nutrition Through the Lifecycle: Childhood to Late Adulthood

New Frontiers in Nutrition and Health

Healthful Eating Patterns

Disorders Related to Specific Foods

Diabetes

Cardiovascular Disease

Alcohol

Cancer

Osteoporosis

Obesity

Disorders Related to Body Image, Eating, and Exercise

The Safety and Effectiveness of Dietary Supplements

Malnutrition

The Fetal Environment

Searching for the Fountain of Youth

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