Question 1

How would the body typically respond to loss of blood from hemorrhage?

Accepted Answer

A) More transferrin is produced to allow absorption and transport of more iron 
B) The average life of the red blood cell is increased in order to allow better tissue oxygenation 
C) Fewer iron storage proteins are produced, which increases the amount of iron available for synthesis of new red blood cells 
D) The liver and muscles release their supply of stored red blood cells, which compensates, in part, for the decrease in red blood cell concentration of the circulation 
A) More transferrin is produced to allow absorption and transport of more iron 
B) The average life of the red blood cell is increased in order to allow better tissue oxygenation 
C) Fewer iron storage proteins are produced, which increases the amount of iron available for synthesis of new red blood cells 
D) The liver and muscles release their supply of stored red blood cells, which compensates, in part, for the decrease in red blood cell concentration of the circulation

Question 2

What is the average lifespan of red blood cells?

Accepted Answer

A) Two weeks 
B) One month 
C) Four months 
D) Six months 
A) Two weeks 
B) One month 
C) Four months 
D) Six months

Question 3

All of the following are chief storage sites for surplus iron except the

Accepted Answer

A) liver. 
B) spleen. 
C) muscle. 
D) bone marrow. 
A) liver. 
B) spleen. 
C) muscle. 
D) bone marrow.

Question 4

Which of the following is a feature of fluoride in nutrition?

Accepted Answer

A) Most bottled waters are fluoridated 
B) A severe deficiency is known as fluorosis 
C) Fluorapatite refers to an increase in the desire to eat fluoride-rich foods 
D) A deficiency contributes to the most widespread health problem in the United States 
A) Most bottled waters are fluoridated 
B) A severe deficiency is known as fluorosis 
C) Fluorapatite refers to an increase in the desire to eat fluoride-rich foods 
D) A deficiency contributes to the most widespread health problem in the United States

Question 5

Which of the following foods provides iron in the most absorbable form?

Accepted Answer

A) Rice 
B) Spinach 
C) Chicken 
D) Orange juice 
A) Rice 
B) Spinach 
C) Chicken 
D) Orange juice

Question 6

What is the chief function of hemosiderin?

Accepted Answer

A) Stores excess body iron 
B) Inhibits hemoglobin synthesis 
C) Enhances heme iron absorption 
D) Enhances nonheme iron absorption 
A) Stores excess body iron 
B) Inhibits hemoglobin synthesis 
C) Enhances heme iron absorption 
D) Enhances nonheme iron absorption

Question 7

What is erythrocyte protoporphyrin?

Accepted Answer

A) Iron chelating drug 
B) Hemoglobin precursor 
C) Indicator of iron toxicity 
D) Inherited iron-deficiency disease 
A) Iron chelating drug 
B) Hemoglobin precursor 
C) Indicator of iron toxicity 
D) Inherited iron-deficiency disease

Question 8

What is hepcidin?

Accepted Answer

A) A factor in meats that enhances iron absorption 
B) An intestinal mucosa protein that assists in iron turnover 
C) A substance in legumes that interferes with iron absorption 
D) A liver-derived hormone that helps regulate iron absorption and transport 
A) A factor in meats that enhances iron absorption 
B) An intestinal mucosa protein that assists in iron turnover 
C) A substance in legumes that interferes with iron absorption 
D) A liver-derived hormone that helps regulate iron absorption and transport

Question 9

Which of the following may result from iodine deficiency?

Accepted Answer

A) Gout 
B) Goiter 
C) Anemia 
D) Hypertension 
A) Gout 
B) Goiter 
C) Anemia 
D) Hypertension

Question 10

What mineral is critical to the synthesis of thyroxine?

Accepted Answer

A) Iron 
B) Copper 
C) Iodine 
D) Magnesium 
A) Iron 
B) Copper 
C) Iodine 
D) Magnesium

Question 11

All of the following are characteristics of copper in nutrition except

Accepted Answer

A) deficiency is rare. 
B) legumes are a rich source. 
C) absorption from foods is poor. 
D) absorption is reduced by ingestion of zinc supplements. 
A) deficiency is rare. 
B) legumes are a rich source. 
C) absorption from foods is poor. 
D) absorption is reduced by ingestion of zinc supplements.

Question 12

What is the response of the thyroid gland to an iodine deficiency?

Accepted Answer

A) Increase in its size to trap more iodine 
B) Increase in its size to trap more thyroxine 
C) Increased release of thyroid-stimulating hormone 
D) Decreased release of thyroid-stimulating hormone 
A) Increase in its size to trap more iodine 
B) Increase in its size to trap more thyroxine 
C) Increased release of thyroid-stimulating hormone 
D) Decreased release of thyroid-stimulating hormone

Question 13

Which of the following is a feature of iron absorption?

Accepted Answer

A) It is lower in people with iron toxicity 
B) It is higher in people with iron deficiency 
C) It is lower when iron is in the form of heme rather than non-heme 
D) It is higher in adults than children due to more mature intestinal function 
A) It is lower in people with iron toxicity 
B) It is higher in people with iron deficiency 
C) It is lower when iron is in the form of heme rather than non-heme 
D) It is higher in adults than children due to more mature intestinal function

Question 14

Absorption of iron from supplements is improved by taking them with

Accepted Answer

A) tea. 
B) meat. 
C) milk. 
D) whole-grain bread. 
A) tea. 
B) meat. 
C) milk. 
D) whole-grain bread.

Question 15

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 16

Why are people with iron overload at increased risk for infections?

Accepted Answer

A) Excess tissue iron destroys vitamin C 
B) Iron-rich blood favors growth of bacteria 
C) Iron-rich blood impairs the immune system 
D) Excess tissue iron interferes with antibiotic function 
A) Excess tissue iron destroys vitamin C 
B) Iron-rich blood favors growth of bacteria 
C) Iron-rich blood impairs the immune system 
D) Excess tissue iron interferes with antibiotic function

Question 17

What is the name given to the ingestion of nonnutritive substances?

Accepted Answer

A) Pica 
B) Goiter 
C) Tetany 
D) Hemosiderosis 
A) Pica 
B) Goiter 
C) Tetany 
D) Hemosiderosis

Question 18

Which of the following is an important function of selenium?

Accepted Answer

A) Helps blood to clot 
B) Inhibits the formation of free radicals 
C) Stabilizes the alcohol content of beer 
D) Acts as a cross-linking agent in collagen 
A) Helps blood to clot 
B) Inhibits the formation of free radicals 
C) Stabilizes the alcohol content of beer 
D) Acts as a cross-linking agent in collagen

Question 19

When eaten in the same meal, which of the following foods enhances the absorption of iron in legumes?

Accepted Answer

A) Nuts 
B) Fiber 
C) Oranges 
D) Whole-grain breads 
A) Nuts 
B) Fiber 
C) Oranges 
D) Whole-grain breads

Question 20

What type of anemia results from iron deficiency?

Accepted Answer

A) Hemolytic 
B) Megaloblastic 
C) Microcytic hypochromic 
D) Macrocytic hyperchromic 
A) Hemolytic 
B) Megaloblastic 
C) Microcytic hypochromic 
D) Macrocytic hyperchromic

Exam 13: The Trace Minerals

How would the body typically respond to loss of blood from hemorrhage?

What is the average lifespan of red blood cells?

All of the following are chief storage sites for surplus iron except the

Which of the following is a feature of fluoride in nutrition?

Which of the following foods provides iron in the most absorbable form?

What is the chief function of hemosiderin?

What is erythrocyte protoporphyrin?

What is hepcidin?

Which of the following may result from iodine deficiency?

What mineral is critical to the synthesis of thyroxine?

All of the following are characteristics of copper in nutrition except

What is the response of the thyroid gland to an iodine deficiency?

Which of the following is a feature of iron absorption?

Absorption of iron from supplements is improved by taking them with

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

Why are people with iron overload at increased risk for infections?

What is the name given to the ingestion of nonnutritive substances?

Which of the following is an important function of selenium?

When eaten in the same meal, which of the following foods enhances the absorption of iron in legumes?

What type of anemia results from iron deficiency?

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

Metabolism: Transformations and Interactions

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

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, Childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Nutrition Care and Assessment

Nutrition Intervention

Medications, Diet-Drug Interactions, and Herbal Products

Enteral Nutrition Support

Parenteral Nutrition Support

Metabolic and Respiratory Stress

Upper Gastrointestinal Disorders

Lower Gastrointestinal Disorders

Liver Disease and Gallstones

Diabetes Mellitus

Cardiovascular Diseases

Kidney Diseases

Cancer and Hiv Infection

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