Question 1

Dual energy X-ray absorptiometry (DXA)measures bone density in a person's:

Accepted Answer

A) lower limbs. 
B) hands. 
C) hips. 
D) whole body. 
A) lower limbs. 
B) hands. 
C) hips. 
D) whole body. D

Question 2

Vitamin D acts as a hormone.

Accepted Answer

A) True 
 B)False  True

Question 3

Newborn infants receive a single injection of vitamin K at birth due to the fact that:

Accepted Answer

A) newborns do not have enough bacteria in their small intestine to make vitamin K. 
B) breast milk is a poor source of vitamin K. 
C) the trauma of labor and delivery depletes the newborn's vitamin K stores. 
D) newborns cannot absorb any of the vitamin K from breast milk or formula. 
A) newborns do not have enough bacteria in their small intestine to make vitamin K. 
B) breast milk is a poor source of vitamin K. 
C) the trauma of labor and delivery depletes the newborn's vitamin K stores. 
D) newborns cannot absorb any of the vitamin K from breast milk or formula. A

Question 4

Cortical bone has a faster turnover rate than trabecular bone.

Accepted Answer

A) True 
 B)False

Question 5

Assuming equal serving sizes,which of the following foods would be the poorest source of calcium?

Accepted Answer

A) skim milk 
B) whole milk 
C) cheddar cheese 
D) cottage cheese 
A) skim milk 
B) whole milk 
C) cheddar cheese 
D) cottage cheese

Question 6

Insufficient vitamin D during childhood is associated with:

Accepted Answer

A) rickets. 
B) osteomalacia. 
C) osteoporosis. 
D) hypocalcemia. 
A) rickets. 
B) osteomalacia. 
C) osteoporosis. 
D) hypocalcemia.

Question 7

Which individual is at the LEAST risk for osteoporosis?

Accepted Answer

A) thin,elderly male 
B) male weight lifter in his 20s 
C) petite Asian female 
D) thin Caucasian female in her 40s 
A) thin,elderly male 
B) male weight lifter in his 20s 
C) petite Asian female 
D) thin Caucasian female in her 40s

Question 8

Which of the following is MOST likely to occur if you were to consume too much calcium via the diet?

Accepted Answer

A) You would experience hypercalcemia. 
B) You would begin to produce kidney stones. 
C) Your gastrointestinal tract would limit the absorption of other minerals. 
D) Calcium deposits would accumulate in the soft tissues of the body. 
A) You would experience hypercalcemia. 
B) You would begin to produce kidney stones. 
C) Your gastrointestinal tract would limit the absorption of other minerals. 
D) Calcium deposits would accumulate in the soft tissues of the body.

Question 9

The two-step process in which bone tissue is recycled is called:

Accepted Answer

A) bone growth. 
B) bone modeling. 
C) bone remodeling. 
D) bone regeneration. 
A) bone growth. 
B) bone modeling. 
C) bone remodeling. 
D) bone regeneration.

Question 10

Peripheral dual energy x-ray absorptiometry calculates bone density by scanning all the bones in the body.

Accepted Answer

A) True 
 B)False

Question 11

A recent meta-analysis of studies evaluating Vitamin K's role in maintaining bone health has shown that vitamin K:

Accepted Answer

A) is only involved in bone remodeling. 
B) plays no role in bone metabolism. 
C) is the primary determinant of bone density. 
D) has a modest impact on bone density. 
A) is only involved in bone remodeling. 
B) plays no role in bone metabolism. 
C) is the primary determinant of bone density. 
D) has a modest impact on bone density.

Question 12

In addition to proper growth and development,bone remodeling is critical in maintaining:

Accepted Answer

A) blood glucose levels. 
B) blood calcium levels. 
C) blood coagulation. 
D) vitamin D production. 
A) blood glucose levels. 
B) blood calcium levels. 
C) blood coagulation. 
D) vitamin D production.

Question 13

The majority of our body's fluoride is stored in the:

Accepted Answer

A) liver. 
B) adipose tissue. 
C) teeth and bones. 
D) interstitial fluid. 
A) liver. 
B) adipose tissue. 
C) teeth and bones. 
D) interstitial fluid.

Question 14

Skin absorbs vitamin D directly from the sun.

Accepted Answer

A) True 
 B)False

Question 15

When does bone growth and modeling start?

Accepted Answer

A) during fetal development 
B) at birth 
C) during infancy 
D) during childhood 
A) during fetal development 
B) at birth 
C) during infancy 
D) during childhood

Question 16

Across the life span,vitamin D needs are the lowest for those over the age of 70.

Accepted Answer

A) True 
 B)False

Question 17

Most of the body's phosphorus is stored in:

Accepted Answer

A) the liver. 
B) adipose tissue. 
C) the bones. 
D) the kidneys. 
A) the liver. 
B) adipose tissue. 
C) the bones. 
D) the kidneys.

Question 18

The quick,portable procedure that calculates bone density by using sound waves to scan the heel,shin,and kneecap is known as:

Accepted Answer

A) dual energy X-ray absorptiometry. 
B) single energy X-ray absorptiometry. 
C) quantitative ultrasound technique. 
D) peripheral ultrasound technique. 
A) dual energy X-ray absorptiometry. 
B) single energy X-ray absorptiometry. 
C) quantitative ultrasound technique. 
D) peripheral ultrasound technique.

Question 19

Females reach their full adult height later than males do.

Accepted Answer

A) True 
 B)False

Question 20

The size and shape of bones do not change significantly after puberty.

Accepted Answer

A) True 
 B)False

Exam 15: Nutrients Involved in Bone Health

Dual energy X-ray absorptiometry (DXA)measures bone density in a person's:

Vitamin D acts as a hormone.

Newborn infants receive a single injection of vitamin K at birth due to the fact that:

Cortical bone has a faster turnover rate than trabecular bone.

Assuming equal serving sizes,which of the following foods would be the poorest source of calcium?

Insufficient vitamin D during childhood is associated with:

Which individual is at the LEAST risk for osteoporosis?

Which of the following is MOST likely to occur if you were to consume too much calcium via the diet?

The two-step process in which bone tissue is recycled is called:

Peripheral dual energy x-ray absorptiometry calculates bone density by scanning all the bones in the body.

A recent meta-analysis of studies evaluating Vitamin K's role in maintaining bone health has shown that vitamin K:

In addition to proper growth and development,bone remodeling is critical in maintaining:

The majority of our body's fluoride is stored in the:

Skin absorbs vitamin D directly from the sun.

When does bone growth and modeling start?

Across the life span,vitamin D needs are the lowest for those over the age of 70.

Most of the body's phosphorus is stored in:

The quick,portable procedure that calculates bone density by using sound waves to scan the heel,shin,and kneecap is known as:

Females reach their full adult height later than males do.

The size and shape of bones do not change significantly after puberty.

The Science of Nutrition: Linking Food, function, and Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

in Depth: Alcohol

Lipids: Essential Energy-Supplying Nutrients

Vitamins and Minerals: Micronutrients With Macro Powers

Phytochemicals

Disordered Eating

Proteins: Crucial Components of All Body Tissues

Metabolism: From Food to Life

Nutrients Involved in Energy Metabolism

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Involved in Antioxidant Function and Vision

Nutrients Involved in Blood Health and Immunity

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Consumer Issues: Food Safety, Production, and Impact on the Environment

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

Nutrition Through the Life Cycle: Childhood and Adolescence

Nutrition Through the Life Cycle: The Later Years

Global Nutrition

Filters