Exam3.Ch 7-9

Question 1

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

Answer 1

Excessive intake of vitamin D

Question 2

Which of the following is responsible for transporting vitamin A (ie from the liver to other tissues)?

Answer 2

Retinol-binding protein

Question 3

Functions of vitamin A include all of the following except…

Answer 3

energy, growth, or vision

Question 4

Which of the following can the body use to synthesize vitamin D?

Answer 4

Exposure to sunlight

Question 5

The organs involved in the hydroxylation of vitamin D include all of the following except

Answer 5

instestine

Question 6

Which of the following features do vitamins C and E share?

Answer 6

Both function as antioxidants.

Question 7

Research has shown that the risk for neural tube defects is lowered by taking supplements of

Answer 7

folate

Question 8

Which of the following symptoms would indicate a vitamin D deficiency?

Answer 8

bowed legs

Question 9

What method is used to measure the amount of heat given off by the body?

Answer 9

Direct calorimetry

Question 10

What is the primary excretory route for the water-soluble vitamins?

Answer 10

kidney

Question 11

The feeling of satisfaction resulting from consumption of a meal is termed

Answer 11

satiety

Question 12

Beriberi results from a deficiency of

Answer 12

thaimin (B1)

Question 13

What is the main explanation for the difference in basal metabolic rates between males and females of the same body weight?

Answer 13

Males have a higher percentage of lean body mass.

Question 14

The Wernicke-Korsakoffsyndrome, which is often observed in poorly nourished alcohol abusers, is known to respond to supplements of

Answer 14

thiamin (Vit B1).

Question 15

Pellegra is known to cause abnormalities of all of the following organs/systems except (hint: the 4 Ds)

Answer 15

skeletal

Question 16

Which of the following substances is converted to vitamin A in the body?

Answer 16

Beta-carotene

Question 17

What is the approximate calories in one pound of fat?

Answer 17

3500 kcal

Question 18

An index of a person’s weight in relation to height is called

Answer 18

body mass index.

Question 19

As far as is known, vitamin A does not play an important role in which of the following processes?

Answer 19

blood clotting

Question 20

Which of the following is a type of neural tube defect?

Answer 20

spina bifida

Question 21

Which of the following is a property of the fat-soluble vitamins?

Answer 21

Deficiency symptoms may take years to develop on a poor diet

Question 22

Which of the following describes a patient who goes through gastric bypass?

Answer 22

Both food intake and absorption are affecte

Question 23

Ariboflavinosis is due to

Answer 23

Riboflavin deficiency

Question 24

What is the major energy carrier molecule in most cells?

Answer 24

ATP

Question 25

What is/are the main function(s) of vitamin D?

Answer 25

Promotes calcium and phosphorus absorption and promotes calcium mobilization from bone

Question 26

The thermic effect of foods is highest for what nutrient?

Answer 26

protein

Question 27

What is meant by the bioavailability of a vitamin in food?

Answer 27

The amount absorbed and subsequently used by the body

Question 28

What is the major factor that determines metabolic rate?

Answer 28

Amount of lean body tissue

Question 29

In what region of the body is the storage of excess body fat associated with highest risks for cardiovascular disease and diabetes?

Answer 29

Abdomen

Question 30

Which of the following vitamins is synthesized by intestinal bacteria?

Answer 30

Vitamin K

Question 31

Which of the following is a feature of Accutane (high levels of Vitamin A)?

Answer 31

It is known to cause birth defects when used by pregnant women.

Question 32

What instrument is used to measure the energy content of foods?

Answer 32

bomb calorimeter

Question 33

What population group has the highest risk for vitamin K deficiency?

Answer 33

Newborns

Question 34

The weight of the body without the fat content is known as the

Answer 34

lean body mass

Question 35

Which of the following explains why B vitamin deficiencies lead to lack of energy?

Answer 35

Coenzymes needed for energy metabolism are produced in insufficient amount

Question 36

What fraction of the day's energy expenditure of the average person is represented by the basal metabolism?

Answer 36

about 2/3

Question 37

When protein is consumed in excess, the excess protein will be converted to ___________

Answer 37

triglycerides

Question 38

What is the best explanation that excess body fat can lead to diabetes type 2?

Answer 38

Excess body fat leads to insulin resistance which increases the risk of developing type 2 diabetes

Question 39

Low body weight due to starvation or eating disorders

Answer 39

can increase the risk of early death

Question 40

Leptin is released from __________ to ____________

Answer 40

adipocytes to increase energy expediture

Question 41

Research in obese people seems to show that there is no increase in the risks for strokes and hypertension provided that the excess body fat is distributed around the

Answer 41

hips and thighs