Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

Erythrocytes,leukocytes,and platelets travel in

Accepted Answer

A)   lymph.
B)   hemoglobin.
C)   myoglobin.
D)   plasma.E) All of the above
F) C) and D)

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

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.E) A) and B)
F) A) and D)

Question 7

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 jointsE) C) and D)
F) A) and D)

Question 8

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)   zincE) A) and C)
F) A) and B)

Question 9

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 10

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.E) A) and B)
F) C) and D)

Question 11

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.E) All of the above
F) None of the above

Question 12

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.E) B) and C)
F) A) and B)

Question 13

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

Accepted Answer

Several factors can influence the bioava...

Question 14

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.E) C) and D)
F) B) and C)

Question 15

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

Accepted Answer

A)   kale
B)   spinach
C)   broccoli
D)   turnip greensE) B) and D)
F) B) and C)

Question 16

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.E) A) and C)
F) A) and D)

Question 17

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

Accepted Answer

A) True 
 B)False

Question 18

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.E) B) and D)
F) B) and C)

Question 19

Excessive zinc supplementation has been shown to reduce immune function.

Accepted Answer

A) True 
 B)False

Question 20

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

Accepted Answer

A)   citrus fruits
B)   green leafy vegetables
C)   beef
D)   fatty fishE) B) and C)
F) C) and D)

Exam 9: Nutrients Essential to Healthy Tissues

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

Correct AnswerverifiedShow Answer

Which of the following is FALSE concerning calcium?

Correct AnswerverifiedShow Answer

Erythrocytes,leukocytes,and platelets travel in

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerAnswered by ExamLex AIMagnesium is an essential mineral that p...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerAnswered by ExamLex AISeveral factors can influence the bioava...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

In the body,vitamin D is essential for

Correct AnswerverifiedShow Answer

Excessive zinc supplementation has been shown to reduce immune function.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Zinc is a trace mineral that plays a critical role in

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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Magnesium is an essential mineral that p...
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Several factors can influence the bioava...
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