Question 1

Which statement best distinguishes between osteoblasts and osteoclasts?

Accepted Answer

A) Osteoblasts resorb bone;osteoclasts break down bone. 
B) Osteoclasts build bone;osteoblasts consume bone. 
C) Osteoblasts build bone;osteoclasts resorb bone 
D) Osteoblasts consume bone;osteoclasts consume bone. 
A) Osteoblasts resorb bone;osteoclasts break down bone. 
B) Osteoclasts build bone;osteoblasts consume bone. 
C) Osteoblasts build bone;osteoclasts resorb bone 
D) Osteoblasts consume bone;osteoclasts consume bone.

Question 2

Which is NOT a major functions of magnesium in the body?

Accepted Answer

A) blood clotting. 
B) cofactor for several hundred enzymes. 
C) division of growing cells. 
D) maintenance of bones. 
A) blood clotting. 
B) cofactor for several hundred enzymes. 
C) division of growing cells. 
D) maintenance of bones.

Question 3

What is peak bone mass?

Accepted Answer

A) highest bone mass within a given population. 
B) maximum bone density attained at any time in life. 
C) greatest amount of weight an individual's bone mass will support. 
D) rate of bone formation during young adulthood. 
A) highest bone mass within a given population. 
B) maximum bone density attained at any time in life. 
C) greatest amount of weight an individual's bone mass will support. 
D) rate of bone formation during young adulthood.

Question 4

What regulates the absorption of some minerals?

Accepted Answer

A) lipoproteins 
B) antigens 
C) transport proteins. 
D) amino acids. 
A) lipoproteins 
B) antigens 
C) transport proteins. 
D) amino acids.

Question 5

With respect to osteoporosis risk,genetic factors are important determinants of which factors?

Accepted Answer

A) bone density. 
B) bone size. 
C) bone turnover. 
D) All of the above answer choices are correct. 
A) bone density. 
B) bone size. 
C) bone turnover. 
D) All of the above answer choices are correct.

Question 6

Which statement about osteoporosis is FALSE?

Accepted Answer

A) Osteoporosis causes a decrease in bone density. 
B) Osteoporosis has no early symptoms. 
C) Osteoporosis may result in a loss of height. 
D) Osteoporosis is not as serious as osteopenia. 
A) Osteoporosis causes a decrease in bone density. 
B) Osteoporosis has no early symptoms. 
C) Osteoporosis may result in a loss of height. 
D) Osteoporosis is not as serious as osteopenia.

Question 7

Which group could benefit from calcium supplements if calcium needs are NOT met with diet alone?

Accepted Answer

A) young people who have not yet achieved peak bone mass 
B) post-menopausal women 
C) people with decreased bone density 
D) All of the above answer choices are correct. 
A) young people who have not yet achieved peak bone mass 
B) post-menopausal women 
C) people with decreased bone density 
D) All of the above answer choices are correct.

Question 8

Which statement concerning magnesium toxicity is FALSE?

Accepted Answer

A) Magnesium toxicity may occur with magnesium-containing laxatives or antacids. 
B) Magnesium toxicity is characterized by high blood pressure. 
C) Magnesium toxicity is more common in the elderly with impaired kidney function. 
D) Magnesium toxicity may occur from supplements. 
A) Magnesium toxicity may occur with magnesium-containing laxatives or antacids. 
B) Magnesium toxicity is characterized by high blood pressure. 
C) Magnesium toxicity is more common in the elderly with impaired kidney function. 
D) Magnesium toxicity may occur from supplements.

Question 9

Which mineral is found in varying amounts in food depending on the mineral's concentration in soil and water at the food's source?

Accepted Answer

A) calcium 
B) iodine 
C) magnesium 
D) pyridoxine 
A) calcium 
B) iodine 
C) magnesium 
D) pyridoxine

Question 10

Why is it important to maximize calcium absorption during childhood?

Accepted Answer

A) To enable maximum vitamin D absorption and storage. 
B) To prevent goiters,which arise from calcium deficiency. 
C) To increase the amount of bone and potentially reduce the risk of osteoporosis later in life. 
D) It is not important to maximize calcium absorption during childhood. 
A) To enable maximum vitamin D absorption and storage. 
B) To prevent goiters,which arise from calcium deficiency. 
C) To increase the amount of bone and potentially reduce the risk of osteoporosis later in life. 
D) It is not important to maximize calcium absorption during childhood.

Question 11

Postmenopausal bone loss is primarily associated with decreased levels of which hormone?

Accepted Answer

A) aldosterone. 
B) estrogen. 
C) progesterone. 
D) secretin. 
A) aldosterone. 
B) estrogen. 
C) progesterone. 
D) secretin.

Question 12

Which is the LEAST plentiful source of calcium?

Accepted Answer

A) carrots 
B) eggs 
C) sardines 
D) yogurt 
A) carrots 
B) eggs 
C) sardines 
D) yogurt

Question 13

At what point in one's lifetime is peak bone mass achieved?

Accepted Answer

Peak bone mass is ac

Question 14

Which of the following statements regarding minerals is TRUE?

Accepted Answer

A) Minerals are organic molecules. 
B) Minerals can be structural components. 
C) Minerals are destroyed by heat. 
D) All of the above answer choices are correct. 
A) Minerals are organic molecules. 
B) Minerals can be structural components. 
C) Minerals are destroyed by heat. 
D) All of the above answer choices are correct.

Question 15

What functions does phosphorus have in the body?

Accepted Answer

Phosphorus provides rigidity to bones an

Question 16

According to the CCHS,which statement best describes the intake,from food,of magnesium?

Accepted Answer

A) Many Canadians have intakes below the EAR. 
B) Most Canadians have intakes above the RDA. 
C) Magnesium is not a nutrient of concern. 
D) Most Canadians are at risk of magnesium toxicity. 
A) Many Canadians have intakes below the EAR. 
B) Most Canadians have intakes above the RDA. 
C) Magnesium is not a nutrient of concern. 
D) Most Canadians are at risk of magnesium toxicity.

Question 17

What is the recommended intake for sulfur (mg/d. )?

Accepted Answer

A) 500 
B) 700 
C) 1,000 
D) There is no recommended intake. 
A) 500 
B) 700 
C) 1,000 
D) There is no recommended intake.

Exam 11: Major Minerals and Bone Health

Which statement best distinguishes between osteoblasts and osteoclasts?

Which is NOT a major functions of magnesium in the body?

What is peak bone mass?

What regulates the absorption of some minerals?

With respect to osteoporosis risk,genetic factors are important determinants of which factors?

Which statement about osteoporosis is FALSE?

Which group could benefit from calcium supplements if calcium needs are NOT met with diet alone?

Which statement concerning magnesium toxicity is FALSE?

Which mineral is found in varying amounts in food depending on the mineral's concentration in soil and water at the food's source?

Why is it important to maximize calcium absorption during childhood?

Postmenopausal bone loss is primarily associated with decreased levels of which hormone?

Which is the LEAST plentiful source of calcium?

At what point in one's lifetime is peak bone mass achieved?

Which of the following statements regarding minerals is TRUE?

What functions does phosphorus have in the body?

According to the CCHS,which statement best describes the intake,from food,of magnesium?

What is the recommended intake for sulfur (mg/d. )?

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, Absorption, and Metabolism

Carbohydrates: Sugars, Starches, and Fibre

Lipids

Proteins and Amino Acids

Energy Balance and Weight Management

A: the Water-Soluble Vitamins

The Fat-Soluble Vitamins

Water and the Electrolytes

The Trace Elements

Nutrition and Physical Activity

Nutrition During Pregnancy and Lactation

Nutrition From Infancy to Adolescence

Nutrition and Aging: the Adult Years

Food Safety

World Hunger and Malnutrition

Focus 1: Focus on Beyond the Basics

Focus 2: Focus on Alcohol

Focus 3: Focus on Obesity, Metabolism, and Disease Risk

Focus 4: Focus on Phytochemicals

Focus5:focus on Natural Health Products

Focus 6: Focus on Integrating Nutrient Function in the Body

Focus 7: Focus on Eating Disorders

Focus 8: Focus on Biotechnology

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