Chapter 10&11 Nutrition Exam

Increasing the amount of polyunsaturated fats in the diet increases the need for vitamin?

E

Which of the following is a property of the tocopherols?

Easily destroyed by air and oxygen

What is the role of vitamin E in the metabolism of free radicals?

Eliminator

Which of the following conditions is known to lead to formation of mineral deposits in the blood vessels and kidney?

Excessive intake of vitamin D

There is no difference in the risk of toxicity between water soluble and fat soluble vitamins. True or False?

False

What type of foods should be controlled in individuals taking anticoagulant medicines? *Cold water fish *Processed soups *Enriched breads *Green leafy vegetables.

Green leafy vegetables

Which of the following vitamins is synthesized by intestinal bacteria? A, E, K, or D?

K

Which of the following may result form excessive intakes of vitamin d by adults?

Mineral deposits in soft tissues such as the kidney

Which of the following is a feature of vitamin k? *Deficiencies lead to intravascular clotting *Major dietary sources are whole grains and legumes *No adverse effects have been reported with high intakes *Primary deficiencies are more common than secondary deficiencies.

No adverse effects have been reported with high intakes

What is the name of the vitamin D-deficiency disease in adults?

Osteomalacia

Which of the following conditions or diseases are known to be caused by a deficiency of the same nutrient?

Osteomalacia and rickets

Substances that promote oxidation are usually termed?

Prooxidants

Which of the following is known to require vitamin k for its synthesis?

Prothrombin

In what system would the effects of a vitamin D deficiency be most readily observed?

Skeletal

What is the adult Al for vitamin K?

90-120 mg

Vitamin D plays a role in producing strong bones by raising blood concentrations of bone building minerals. How does vitamin D raise these concentrations? *Enhances mineral absorption *If not provided in the diet, vitamin D can provide bone-building minerals from bones in the body *If not provided in the diet, vitamin D can provide bone-building minerals from muscles in the body. *A&B *All of the above.

A&B

What population group is at highest risk for osteomalacia?

Adult women

What is (are) the disease(s) that might be prevented by tocotrienols? Osteoporosis, Diabetes, heart disease, Neurological diseases, or all of the above?

All of the above

What is (are) the role(s) of vitamin A in the body? *Promotes visions *Participates in protein synthesis *Participates in cell differentiation *Growth regulation *All of the above

All of the above

Which of the following is NOT a difference between fat soluble vitamins and water soluble vitamins? *Require bile for digestion *Require carrier proteins *Travels through the lymphatic system instead of blood *Can be store in liver and fat cells *All of the above are differences

All of the above are differences

Among the following, which contains the highest concentration of vitamin E?

Corn oil

The plant version of vitamin D is known as?

ergocalciferol

All of the following are feature of vitamin K in nutrition. *infants frequently require a supplement at birth *good food sources are plants of the cabbage family *risk of deficiency is increased in people taking antibiotics for prolonged periods *gut microflora synthesis supplies sufficient amounts to meet the needs of most healthy adults.

gut microflora synthesis supplies sufficient amounts to meet the needs of most healthy adults.

The process of bone remodeling is known to be dependent on all of the fat-soluble vitamins except?

vitamin e

Which of the following is a feature of vitamin k? *it participates in synthesis bone proteins. *Large amounts can be stored in adipose tissue *Good good sources are legumes and raw fruits *Intestinal bacterial synthesis provides over 90% of the body's need for most people.

it participates in synthesis of bone proteins.

How is vitamin E thought to play a role in reducing the risk of heart disease?

it slows oxidation of low-density lipoproteins

What population group has the highest risk for vitamin K deficiency? *Adults *Elderly *Newborns *Teenagers

newborns

The major function of vitamin E is to inhibit the destruction of?

polyunsaturated fatty acids

Antioxidants work by preventing free radicles from producing more free radicles. One way that vitamin E performs this function is by stopping the oxidation of polyunsaturated fatty acids. True or False?

True

What are the toxic Vitamins when taken in high doses

Vitamin A & D

The risk for vitamin d deficiency increases with advancing age for all of the following reasons except?

absorption of dietary vitamin D declines

In what chief capacity does vitamin k function?

blood clotting

The animal version of vitamin D is known as?

cholecalciferol

What are the nontoxic Vitamins when taken in high does

Vitamin E & K