Question 1

What is the chief transport substance for zinc in the circulation?

Accepted Answer

A) Albumin 
B) Metallothionein 
C) Carbonic anhydrase 
D) High-density lipoproteins 
A) Albumin 
B) Metallothionein 
C) Carbonic anhydrase 
D) High-density lipoproteins

Question 2

What is a glucose tolerance factor?

Accepted Answer

A) A protein that stimulates glycolysis 
B) A mineral cofactor for a specific enzyme 
C) A hormone that enhances pancreatic function 
D) A small organic compound that promotes the action of insulin 
A) A protein that stimulates glycolysis 
B) A mineral cofactor for a specific enzyme 
C) A hormone that enhances pancreatic function 
D) A small organic compound that promotes the action of insulin

Question 3

Which of the following is a characteristic of iron absorption?

Accepted Answer

A) MPF in plant foods enhances overall iron absorption 
B) Ferritin in red meat interferes with ferrous iron absorption 
C) Absorption of heme iron is about 50% higher than nonheme iron 
D) Transferrin released from pancreatic juice regulates iron uptake from mucosal cells 
A) MPF in plant foods enhances overall iron absorption 
B) Ferritin in red meat interferes with ferrous iron absorption 
C) Absorption of heme iron is about 50% higher than nonheme iron 
D) Transferrin released from pancreatic juice regulates iron uptake from mucosal cells

Question 4

Which of the following is NOT among the characteristics shared by iron and zinc?

Accepted Answer

A) Absorption is inhibited by fiber 
B) Absorption is inhibited by cow's milk 
C) Transport in the blood is primarily handled by albumin 
D) Absorption rises with increased needs of the body 
A) Absorption is inhibited by fiber 
B) Absorption is inhibited by cow's milk 
C) Transport in the blood is primarily handled by albumin 
D) Absorption rises with increased needs of the body

Question 5

Lycopene is classified as a(n)

Accepted Answer

A) lignan. 
B) carotenoid. 
C) phytoestrogen. 
D) enzyme cofactor. 
A) lignan. 
B) carotenoid. 
C) phytoestrogen. 
D) enzyme cofactor.

Question 6

Approximately how many people worldwide are thought to be affected by iron-deficiency anemia?

Accepted Answer

A) 1 million 
B) 100 million 
C) 1.6 billion 
D) 3.5 billion 
A) 1 million 
B) 100 million 
C) 1.6 billion 
D) 3.5 billion

Question 7

Commercially available zinc-containing lozenges are advertised as being effective against

Accepted Answer

A) fatigue. 
B) vitamin A toxicity. 
C) the common cold. 
D) slowing of the BMR. 
A) fatigue. 
B) vitamin A toxicity. 
C) the common cold. 
D) slowing of the BMR.

Question 8

One of the chief functions of chromium is participation in the metabolism of

Accepted Answer

A) iron. 
B) proteins. 
C) carbohydrates. 
D) metallothionein. 
A) iron. 
B) proteins. 
C) carbohydrates. 
D) metallothionein.

Question 9

What is the most common genetic disorder in the United States?

Accepted Answer

A) Keshan disease 
B) Menkes disease 
C) Hemochromatosis 
D) Microcytic hypochromic anemia 
A) Keshan disease 
B) Menkes disease 
C) Hemochromatosis 
D) Microcytic hypochromic anemia

Question 10

How does vitamin C enhance iron absorption when consumed in the same meal?

Accepted Answer

A) It activates transferrin 
B) It keeps iron in the reduced ferrous form 
C) It releases iron from the proteins in the stomach 
D) It complexes with iron and promotes mucosal transport 
A) It activates transferrin 
B) It keeps iron in the reduced ferrous form 
C) It releases iron from the proteins in the stomach 
D) It complexes with iron and promotes mucosal transport

Question 11

Which of the following is a common side effect from taking iron supplements?

Accepted Answer

A) Itching 
B) Diarrhea 
C) Constipation 
D) Black tongue 
A) Itching 
B) Diarrhea 
C) Constipation 
D) Black tongue

Question 12

Which of the following mechanisms explains why fluoride is effective in controlling tooth decay?

Accepted Answer

A) It helps regulate calcium levels in saliva 
B) It helps form decay-resistant fluorapatite 
C) It inhibits growth of decay-producing bacteria 
D) It changes the pH of the mouth,inhibiting bacterial growth 
A) It helps regulate calcium levels in saliva 
B) It helps form decay-resistant fluorapatite 
C) It inhibits growth of decay-producing bacteria 
D) It changes the pH of the mouth,inhibiting bacterial growth

Question 13

Which of the following population groups is least susceptible to iron-deficiency anemia?

Accepted Answer

A) Older infants 
B) Children 2-10 years of age 
C) Women of childbearing age 
D) Men 20-45 years of age 
A) Older infants 
B) Children 2-10 years of age 
C) Women of childbearing age 
D) Men 20-45 years of age

Question 14

Which of the following characteristics is shared by iron and zinc?

Accepted Answer

A) Neither functions in the maintenance of blood glucose 
B) Neither is circulated from the pancreas to the intestines and back to the pancreas 
C) Both are absorbed into intestinal mucosal cells and bound to metallothionein for transport first to the liver 
D) Both are absorbed into intestinal epithelial cells but may then be lost by normal villus cell renewal processes 
A) Neither functions in the maintenance of blood glucose 
B) Neither is circulated from the pancreas to the intestines and back to the pancreas 
C) Both are absorbed into intestinal mucosal cells and bound to metallothionein for transport first to the liver 
D) Both are absorbed into intestinal epithelial cells but may then be lost by normal villus cell renewal processes

Question 15

Which of the following characteristics is shared by zinc and iron?

Accepted Answer

A) Good food sources include dairy products 
B) Proteins in the blood are needed for their transport 
C) Severe deficiencies lead to delay in the onset of puberty 
D) Doses of 10 times the RDA may cause death in children 
A) Good food sources include dairy products 
B) Proteins in the blood are needed for their transport 
C) Severe deficiencies lead to delay in the onset of puberty 
D) Doses of 10 times the RDA may cause death in children

Question 16

Which of the following minerals is a cofactor in the formation of hemoglobin?

Accepted Answer

A) Iodine 
B) Copper 
C) Sodium 
D) Calcium 
A) Iodine 
B) Copper 
C) Sodium 
D) Calcium

Question 17

What is the oxygen-carrying protein of muscle cells?

Accepted Answer

A) Transferrin 
B) Myoglobin 
C) Hemoglobin 
D) Cytochrome 
A) Transferrin 
B) Myoglobin 
C) Hemoglobin 
D) Cytochrome

Question 18

Which of the following is NOT among the conditions associated with zinc deficiency?

Accepted Answer

A) Altered taste 
B) Kidney failure 
C) Abnormal night vision 
D) Poor healing of wounds 
A) Altered taste 
B) Kidney failure 
C) Abnormal night vision 
D) Poor healing of wounds

Question 19

What is the primary function of the thyroid hormones?

Accepted Answer

A) Precursors for hemoglobin synthesis 
B) Counteract a deficiency of goitrogens 
C) Control the rate of oxygen use by cells 
D) Regulate acetylcholine concentrations in the central nervous system 
A) Precursors for hemoglobin synthesis 
B) Counteract a deficiency of goitrogens 
C) Control the rate of oxygen use by cells 
D) Regulate acetylcholine concentrations in the central nervous system

Question 20

As far as is known,what hormone is dependent upon chromium for optimal activity?

Accepted Answer

A) Renin 
B) Gastrin 
C) Insulin 
D) Antidiurectic hormone 
A) Renin 
B) Gastrin 
C) Insulin 
D) Antidiurectic hormone

What is the chief transport substance for zinc in the circulation?

What is a glucose tolerance factor?

Which of the following is a characteristic of iron absorption?

Which of the following is NOT among the characteristics shared by iron and zinc?

Lycopene is classified as a(n)

Approximately how many people worldwide are thought to be affected by iron-deficiency anemia?

Commercially available zinc-containing lozenges are advertised as being effective against

One of the chief functions of chromium is participation in the metabolism of

What is the most common genetic disorder in the United States?

How does vitamin C enhance iron absorption when consumed in the same meal?

Which of the following is a common side effect from taking iron supplements?

Which of the following mechanisms explains why fluoride is effective in controlling tooth decay?

Which of the following population groups is least susceptible to iron-deficiency anemia?

Which of the following characteristics is shared by iron and zinc?

Which of the following characteristics is shared by zinc and iron?

Which of the following minerals is a cofactor in the formation of hemoglobin?

What is the oxygen-carrying protein of muscle cells?

Which of the following is NOT among the conditions associated with zinc deficiency?

What is the primary function of the thyroid hormones?

As far as is known,what hormone is dependent upon chromium for optimal activity?

An Overview of Nutrition

Planning a Healthy Diet

Digestion, absorption, and Transport

The Carbohydrates: Sugars, starches, and Fibers

The Lipids: Triglycerides, phospholipids, and Sterols

Protein: Amino Acids

Energy Metabolism

Energy Balance and Body Composition

Weight Management: Overweight, obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, d, e, and K

Water and the Major Minerals

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters

Exam 13: The Trace Minerals

What is the chief transport substance for zinc in the circulation?

What is a glucose tolerance factor?

Which of the following is a characteristic of iron absorption?

Which of the following is NOT among the characteristics shared by iron and zinc?

Lycopene is classified as a(n)

Approximately how many people worldwide are thought to be affected by iron-deficiency anemia?

Commercially available zinc-containing lozenges are advertised as being effective against

One of the chief functions of chromium is participation in the metabolism of

What is the most common genetic disorder in the United States?

How does vitamin C enhance iron absorption when consumed in the same meal?

Which of the following is a common side effect from taking iron supplements?

Which of the following mechanisms explains why fluoride is effective in controlling tooth decay?

Which of the following population groups is least susceptible to iron-deficiency anemia?

Which of the following characteristics is shared by iron and zinc?

Which of the following characteristics is shared by zinc and iron?

Which of the following minerals is a cofactor in the formation of hemoglobin?

What is the oxygen-carrying protein of muscle cells?

Which of the following is NOT among the conditions associated with zinc deficiency?

What is the primary function of the thyroid hormones?

As far as is known,what hormone is dependent upon chromium for optimal activity?

An Overview of Nutrition

Planning a Healthy Diet

Digestion, absorption, and Transport

The Carbohydrates: Sugars, starches, and Fibers

The Lipids: Triglycerides, phospholipids, and Sterols

Protein: Amino Acids

Energy Metabolism

Energy Balance and Body Composition

Weight Management: Overweight, obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, d, e, and K

Water and the Major Minerals

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters