11. Which of the following represents the best source of : 1400788

11. Which of the following represents the best source of : 1400788.


11. Which of the following represents the best source of biologically available iron?

A. broccoli casserole

B. whole-wheat bread

C. hamburger

D. watermelon slices

12. What is the fate of nonheme iron that remains bound to food in the gastrointestinal tract?

A. It stimulates the production of specific enzymes that will break it down eventually.

B. It is moved and stored as ferritin in food.

C. It stays around the digestive tract until it is completely broken down.

D. It is excreted with the feces.

13. What is the relationship between iron stores and the percentage of iron absorbed?

A. The lower the stores, the less the absorption.

B. The lower the stores, the greater the absorption.

C. The level of iron stores does not affect the absorption.

D. None of the above describes this relationship.

14. All of the following enhance absorption of iron except

A. an increased need for iron.

B. the presence of vitamin C.

C. reduced hydrochloric acid in the stomach.

D. the presence of the heme form of iron.

15. All of the following decrease iron absorption except

A. vitamin C.

B. phytates.

C. oxalates.

D. polyphenols.

16. Which of the following contributes the most to iron loss in the body?

A. sloughed-off intestinal cells

B. bleeding

C. hair and skin

D. sweat

17. All of the following statements regarding iron are true except:

A. The accidental consumption of supplements containing iron is a leading cause of poisoning deaths in children in the United States.

B. High doses of iron can cause symptoms of gastrointestinal distress.

C. Storing large amounts of iron is beneficial for the body and reduces the risk of infections.

D. Cooking food in iron pots and pans can increase the food’s iron content.

18. Which of the following is a test to determine iron stores in the body?

A. complete blood count

B. hematocrit

C. serum iron

D. total iron-binding capacity

19. Ceruloplasmin binds to copper in the ________.

A. liver

B. intestine

C. blood

D. skin

20. Once absorbed, copper is bound to ________ for transport.

A. ceruloplasmin

B. albumin

C. transferrin

D. metallothionein



11. Which of the following represents the best source of : 1400788

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