Question 1

The recommended intake of calcium for adults is __________ mgs/day.

Accepted Answer

A)  500-700
B)  800-1000
C)  1000-1200
D)  1300-1500

Question 2

What are good dietary sources of calcium? Phosphorus? Magnesium?

Accepted Answer

Calcium: yogurt,milk,cheese,sa...

Question 3

Which statement describes the relationship of bone calcium to blood calcium?

Accepted Answer

A)  If dietary calcium is low,both blood and bone levels will decline.
B)  If dietary calcium is low,bone calcium is sacrificed to maintain blood calcium.
C)  If dietary calcium is low,blood calcium is sacrificed to maintain bone calcium.
D)  Blood levels of calcium are a good indicator of the calcium status of bone.

Question 4

What stimulates the secretion of parathyroid hormone? What are the specific actions of this hormone?

Accepted Answer

PTH is secreted in response to low blood...

Question 5

Which statement concerning magnesium toxicity is FALSE?

Accepted Answer

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

Question 6

Postmenopausal bone loss is primarily associated with decreased levels of the hormone:

Accepted Answer

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

Question 7

What are lifestyle factors that affect bone mass?

Accepted Answer

Gender,age,race,family history...

Question 8

Most of the magnesium in the body is in:

Accepted Answer

A)  bones.
B)  extracellular fluid.
C)  intracellular fluid.
D)  the blood.

Question 9

The typical magnesium intake in the US is:

Accepted Answer

A)  below the RDA.
B)  at risk of providing toxic levels.
C)  slightly above the RDA.
D)  right at the RDA.

Question 10

Approximately what percentage of those affected by osteoporosis are women?

Accepted Answer

A)  20
B)  45
C)  80
D)  >90

Question 11

The hard compact layer found on the surface of bones is called __________ bone.

Accepted Answer

A)  cortical
B)  enameled
C)  extrinsic
D)  trabecular

Question 12

All of the following decrease the risk of osteoporosis EXCEPT:

Accepted Answer

A)  weight bearing exercise.
B)  low body weight.
C)  increased muscle mass.
D)  high body weight and fat.

Question 13

The matrix of bones is:

Accepted Answer

A)  a protein framework.
B)  made up primarily of collagen.
C)  imbedded with hydroxyapatite.
D)  All of these are correct.

Question 14

Which statement regarding lactose intolerance is true?

Accepted Answer

A)  It must be treated with calcium supplements to avoid osteoporosis.
B)  It means a person can eat no dairy products.
C)  The symptoms can be avoided by using products treated with lactase.
D)  Lactose intolerance is common in individuals of all ethnic backgrounds.

Question 15

When blood calcium is low,parathyroid hormone raises levels by doing all of the following EXCEPT:

Accepted Answer

A)  increasing appetite for calcium containing foods.
B)  activating vitamin D.
C)  reducing calcium excretion by the kidney.
D)  stimulating calcium release from bone.

Question 16

Which group could benefit from calcium supplements if needs are not met by diet?

Accepted Answer

A)  Young people who have not yet achieved peak bone mass.
B)  Post-menopausal women.
C)  Individuals with decreased bone density.
D)  All these groups could benefit.

Question 17

Which statement about the processing of foods is true?

Accepted Answer

A)  Processing destroys minerals.
B)  The processing of grains causes the loss of magnesium,selenium and zinc.
C)  Sodium is typically absent in processed foods.
D)  Potassium is often added during food processing.

Question 18

Which of the following is NOT a function of calcium?

Accepted Answer

A)  Muscle contraction
B)  ATP stabilization
C)  Blood pressure regulation
D)  Neurotransmitter release

Question 19

Which of the following compounds has NOT been found to interfere with mineral absorption?

Accepted Answer

A)  Ascorbic acid
B)  Oxalates
C)  Phytates
D)  Tannins

Question 20

Describe the role of magnesium as a cofactor,use specific examples.

Accepted Answer

Magnesium is a cofactor for over 300 enz...

Exam 11: Major Minerals and Bone Health

Which statement concerning magnesium toxicity is FALSE?

Correct AnswerverifiedShow Answer

Postmenopausal bone loss is primarily associated with decreased levels of the hormone:

Correct AnswerverifiedShow Answer

Which statement regarding lactose intolerance is true?

Correct AnswerverifiedShow Answer

The hard compact layer found on the surface of bones is called __________ bone.

Correct AnswerverifiedShow Answer

Approximately what percentage of those affected by osteoporosis are women?

Correct AnswerverifiedShow Answer

Which group could benefit from calcium supplements if needs are not met by diet?

Correct AnswerverifiedShow Answer

What are good dietary sources of calcium? Phosphorus? Magnesium?

Correct AnswerverifiedCalcium: yogurt,milk,cheese,sa...View AnswerShow Answer

The typical magnesium intake in the US is:

Correct AnswerverifiedShow Answer

What stimulates the secretion of parathyroid hormone? What are the specific actions of this hormone?

Correct AnswerverifiedPTH is secreted in response to low blood...View AnswerShow Answer

Which statement describes the relationship of bone calcium to blood calcium?

Correct AnswerverifiedShow Answer

Which statement about the processing of foods is true?

Correct AnswerverifiedShow Answer

All of the following decrease the risk of osteoporosis EXCEPT:

Correct AnswerverifiedShow Answer

Which of the following is NOT a function of calcium?

Correct AnswerverifiedShow Answer

The recommended intake of calcium for adults is __________ mgs/day.

Correct AnswerverifiedShow Answer

What are lifestyle factors that affect bone mass?

Correct AnswerverifiedGender,age,race,family history...View AnswerShow Answer

The matrix of bones is:

Correct AnswerverifiedShow Answer

Most of the magnesium in the body is in:

Correct AnswerverifiedShow Answer

Which of the following compounds has NOT been found to interfere with mineral absorption?

Correct AnswerverifiedShow Answer

When blood calcium is low,parathyroid hormone raises levels by doing all of the following EXCEPT:

Correct AnswerverifiedShow Answer

Describe the role of magnesium as a cofactor,use specific examples.

Correct AnswerverifiedMagnesium is a cofactor for over 300 enz...View AnswerShow Answer

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Calcium: yogurt,milk,cheese,sa...
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Correct Answer
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PTH is secreted in response to low blood...
View Answer

Correct Answer
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Gender,age,race,family history...
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Correct Answer
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Magnesium is a cofactor for over 300 enz...
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