Question 1

Prothrombin and other proteins critical in the coagulation of blood are synthesized with the assistance of the coenzyme

Accepted Answer

A)  thiamin. 
B)  iron. 
C)  vitamin K. 
D)  collagen. 
A)  thiamin. 
B)  iron. 
C)  vitamin K. 
D)  collagen.

Question 2

Any vitamin C consumed in excess of body needs is stored in the connective tissues.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following plant sources of calcium has the lowest bioavailability?

Accepted Answer

A)  kale 
B)  spinach 
C)  broccoli 
D)  turnip greens 
A)  kale 
B)  spinach 
C)  broccoli 
D)  turnip greens

Question 4

Zinc is a trace mineral that plays a critical role in

Accepted Answer

A)  calcium regulation and bone health. 
B)  the transport of oxygen to body cells. 
C)  iron transport and the regulation of serotonin. 
D)  metabolism, gene expression, and normal growth. 
A)  calcium regulation and bone health. 
B)  the transport of oxygen to body cells. 
C)  iron transport and the regulation of serotonin. 
D)  metabolism, gene expression, and normal growth.

Question 5

Compared to light-skinned individuals,individuals with darker skin have more difficulty synthesizing vitamin D.

Accepted Answer

A) True 
 B)False

Question 6

When blood calcium levels fall,which of the following does NOT occur?

Accepted Answer

A)  Increased secretion of PTH activates vitamin D. 
B)  PTH and vitamin D stimulate the kidneys to reabsorb calcium from the blood. 
C)  PTH and vitamin D stimulate osteoblasts to break down bone. 
D)  Vitamin D increases the absorption of calcium from the intestines. 
A)  Increased secretion of PTH activates vitamin D. 
B)  PTH and vitamin D stimulate the kidneys to reabsorb calcium from the blood. 
C)  PTH and vitamin D stimulate osteoblasts to break down bone. 
D)  Vitamin D increases the absorption of calcium from the intestines.

Question 7

DXA is used to evaluate bone density in only in postmenopausal women.

Accepted Answer

A) True 
 B)False

Question 8

Erythrocytes,leukocytes,and platelets travel in

Accepted Answer

A)  lymph. 
B)  hemoglobin. 
C)  myoglobin. 
D)  plasma. 
A)  lymph. 
B)  hemoglobin. 
C)  myoglobin. 
D)  plasma.

Question 9

The bioavailability of calcium from spinach is limited because of the leafy green's

Accepted Answer

A)  low calcium content. 
B)  high levels of oxalates. 
C)  low protein content. 
D)  high vitamin C content. 
A)  low calcium content. 
B)  high levels of oxalates. 
C)  low protein content. 
D)  high vitamin C content.

Question 10

Which of the following is an excellent source of vitamin K?

Accepted Answer

A)  citrus fruits 
B)  green leafy vegetables 
C)  beef 
D)  fatty fish 
A)  citrus fruits 
B)  green leafy vegetables 
C)  beef 
D)  fatty fish

Question 11

Bone modeling is the two-step process by which bone tissue is recycled.

Accepted Answer

A) True 
 B)False

Question 12

Excessive zinc supplementation has been shown to reduce immune function.

Accepted Answer

A) True 
 B)False

Question 13

A deficiency of which of the following can result in a condition called macrocytic (or megaloblastic)anemia?

Accepted Answer

A)  folate 
B)  iron 
C)  B₆ 
D)  zinc 
A)  folate 
B)  iron 
C)  B₆ 
D)  zinc

Question 14

A child with mild fluorosis would MOST likely show which of the following symptoms?

Accepted Answer

A)  dental caries 
B)  low bone density 
C)  white patches on the teeth 
D)  stiffness and pain in the joints 
A)  dental caries 
B)  low bone density 
C)  white patches on the teeth 
D)  stiffness and pain in the joints

Question 15

When dietary intake of calcium is low,the body takes calcium from bone.

Accepted Answer

A) True 
 B)False

Question 16

Identify at least four functions of magnesium in the body,including two related to vitamin D.

Accepted Answer

Magnesium is an essential mineral that p

Question 17

In the body,vitamin D is essential for

Accepted Answer

A)  blood clotting. 
B)  calcification of bone. 
C)  muscle contraction. 
D)  stimulation of nerve impulses. 
A)  blood clotting. 
B)  calcification of bone. 
C)  muscle contraction. 
D)  stimulation of nerve impulses.

Question 18

Bob's physician has just diagnosed him with iron-deficiency anemia.Which of the following advice should Bob follow to increase his body's absorption of dietary iron?

Accepted Answer

A)  He should have a glass of red wine with his dinner. 
B)  He should drink a glass of orange juice with his breakfast cereal. 
C)  He should increase his consumption of legumes and whole grains. 
D)  He should avoid cooking his foods in cast-iron pans. 
A)  He should have a glass of red wine with his dinner. 
B)  He should drink a glass of orange juice with his breakfast cereal. 
C)  He should increase his consumption of legumes and whole grains. 
D)  He should avoid cooking his foods in cast-iron pans.

Question 19

Discuss the factors that influence the bioavailability of calcium in the body.

Accepted Answer

Several factors can influence the bioava

Question 20

Which of the following is FALSE concerning calcium?

Accepted Answer

A)  Calcium's alkalinity assists in regulating acid-base balance. 
B)  Ninety-nine percent of calcium is found in the blood and soft tissue. 
C)  When blood calcium falls, osteoclasts will liberate calcium from the skeleton. 
D)  Calcium is a major mineral. 
A)  Calcium's alkalinity assists in regulating acid-base balance. 
B)  Ninety-nine percent of calcium is found in the blood and soft tissue. 
C)  When blood calcium falls, osteoclasts will liberate calcium from the skeleton. 
D)  Calcium is a major mineral.

Exam 9: Nutrients Essential to Healthy Tissues

Prothrombin and other proteins critical in the coagulation of blood are synthesized with the assistance of the coenzyme

Any vitamin C consumed in excess of body needs is stored in the connective tissues.

Which of the following plant sources of calcium has the lowest bioavailability?

Zinc is a trace mineral that plays a critical role in

Compared to light-skinned individuals,individuals with darker skin have more difficulty synthesizing vitamin D.

When blood calcium levels fall,which of the following does NOT occur?

DXA is used to evaluate bone density in only in postmenopausal women.

Erythrocytes,leukocytes,and platelets travel in

The bioavailability of calcium from spinach is limited because of the leafy green's

Which of the following is an excellent source of vitamin K?

Bone modeling is the two-step process by which bone tissue is recycled.

Excessive zinc supplementation has been shown to reduce immune function.

A deficiency of which of the following can result in a condition called macrocytic (or megaloblastic)anemia?

A child with mild fluorosis would MOST likely show which of the following symptoms?

When dietary intake of calcium is low,the body takes calcium from bone.

Identify at least four functions of magnesium in the body,including two related to vitamin D.

In the body,vitamin D is essential for

Bob's physician has just diagnosed him with iron-deficiency anemia.Which of the following advice should Bob follow to increase his body's absorption of dietary iron?

Discuss the factors that influence the bioavailability of calcium in the body.

Which of the following is FALSE concerning calcium?

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

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

Vitamins and Minerals: Micronutrients With Macro Powers

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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