chapter 18 nutrition Flashcards


Set Details Share
created 2 years ago by bluesky_12
2,019 views
updated 2 years ago by bluesky_12
show moreless
Page to share:
Embed this setcancel
COPY
code changes based on your size selection
Size:
X
Show:

1
card image

For the different types of carbohydrates, drop the label into the appropriate box, indicating whether each is a source of monosaccharides, disaccharides, or polysaccharides.

card image

2

Match the food sources with the predominant type of fat found in the food. (unsaturated fat or saturated fat)

1. Fats in seeds, nuts, and plant oils.

2. Fats in meats, eggs, milk, and lard.

1. Unsaturated fat

2. Saturated fate

3

Cholesterol, a type of lipid, is abundant in plant-based foods.

false

4
card image

Complete the sentences describing fats in the diet.

card image

5
card image

Complete the sentences describing the food sources for the various nutrients. Then place the sentences in order reflecting the percent of daily intake needed from each source (from greatest to least).

card image

6

After absorption from the digestive tract, all monosaccharides are converted by liver enzymes to what compound?

Glucose

7

What types of fats are associated with increased risk of cardiovascular disease?

Saturated fats

8
card image

The figure illustrates the oxidation of dietary fats, producing glucose, fats, ketone bodies, or ATP. Correctly label the metabolic processes occurring at each step

card image

9

Name the body's main use for triglycerides.

As an energy source

10
card image

Complete the sentences, then put the steps of lipid metabolism in order.

card image

11
card image

Match each description with the correct type of lipoprotein.

High concentration of protein; low concentration of lipid- High-density lipoproteins (HDLs)

High concentration of cholesterol- Low-density lipoproteins (LDLs)

High concentration of triglycerides- Very-low-density lipoproteins (VLDLs)

12

Indicate the functions of cholesterol

-Precursor for some hormones
-Precursor for bile salts
-Structural component of cell membranes

13

Name the process that an amino acid must undergo in order for it to be used for fuel or to produce glucose.

Deanimation

14
card image

Complete the sentences and place them in order to describe the process of protein metabolism.

card image

15

What is a complete protein?

A dietary protein that provides adequate amounts of all essential amino acids to maintain life and support growth

16
card image

Complete the sentences describing complete and incomplete proteins. Labels can be used more than once.

card image

17

Of the six classes of nutrients, name the type of nutrient that provides nitrogen for the body.

Protein

18
card image

Classify each vitamin as a fat-soluble vitamin or a water-soluble vitamin.

card image

19

The B vitamins and vitamin C are fat-soluble vitamins.

False

20
card image

Drop each vitamin into the box describing its major function(s). Boxes may end up with one item, more than one item, or none.

card image

21
card image

Drop each vitamin into the box describing its major function(s). Labels can be used more than once. Boxes may end up with one item, more than one item, or none.

card image

22

Which class of vitamin is more likely to be stored in the tissues of the body?

Fat-soluble vitamins

23
card image

Vitamins also have chemical names. Match each chemical name with the correct vitamin.

card image

24

Beta-carotene is a precursor for vitamin __________.

A

25

Indicate the vitamins that function as antioxidants. Check all that apply.

Vitamin A and E

26
card image

Complete the sentences describing the functions of the fat-soluble vitamins.

card image

27

Within the skin, ultraviolet (UV) light striking a provitamin derived from cholesterol results in conversion of the provitamin to vitamin __________.

D

28

Name the B vitamins.

Folic Acid

Pantothenic acid

Biotin

Vitamin B6, B12

Niacin

Thiamine

Riboflavin

29

Name the B vitamin that can be made from the amino acid tryptophan

Niacin

30

The absorption of vitamin __________ from the small intestine requires intrinsic factor, produced by stomach cells.

B12

31
card image

Drop each label into the appropriate box, indicating if it is a vitamin or a mineral.

card image

32
card image

Match the definition to the correct class of nutrients.

Minerals- inorganic elements needed for metabolism

Vitamins- organic essential compounds needed in very small amounts; needed for normal metabolism

33
card image

These labels list some of the minerals needed by the body. Classify each mineral as either a major mineral or a trace element.

card image

34
card image

Match each organic molecule with the mineral that forms part of its structure.

Phosphorus- ATP

Sulfur- insulin, biotin, thiamine

Iodine- thyroid hormone

Cobalt- vitamin B12

Iron- hemoglobin

35
card image

Complete the sentences describing an adequate diet.

card image

36
card image

Label the food groups that comprise the My Plate model for a healthy diet.

card image

37
card image

Complete the sentences defining nutrition and the classification of nutrients.

card image

38
card image

Classify each type of nutrient as a macronutrient or a micronutrient.

card image

39

Why are some nutrients classified as essential nutrients?

The body cannot produce them in adequate amounts, so it is essential that they be in the diet.

40
card image

Control of appetite involves the hormones leptin and ghrelin. Complete the figure illustrating the control of appetite.

card image

41

Neuropeptide Y __________ appetite.

Stimulates

42
card image

The labels describe characteristics of the hormones that regulate appetite. Place the labels in the appropriate box.

card image

43
card image

Fill in the blanks in the figure to indicate the possible metabolic uses of monosaccharides. Labels can be used more than once.

card image

44
card image

Fill in the blanks in the figure to indicate the possible metabolic uses of monosaccharides.

card image

45
card image

Fill in the blanks in the figure to indicate the possible products of the metabolism of monosaccharides.

card image

46
card image

Match the description of the metabolic reaction with its name.

card image

47

Indicate which of the following are complex carbohydrates (polysaccharides).

-Glycogen
-Starch
-Cellulose

48

What occurs during the series of reactions called beta oxidation?

Removal of two-carbon segments from fatty acids

49

Isoleucine, leucine, and lysine are three examples of amino acids that the body can not make in sufficient quantity. How are these compounds classified?

Essential amino acids

50

Someone consuming more protein than they are losing via excretion are in _______ nitrogen balance.

Someone consuming less protein than they are losing via excretion are in ______ nitrogen balance.

Positive;

Negative

51
card image

Complete the sentences regarding protein and its turnover.

card image

52
card image

Indicate the recommended daily intake of the three calorie-containing nutrients.

card image

53
card image

Complete the sentences describing how the energy values of foods are determined.

card image

54
card image

Indicate the number of calories contained in one gram of each of the following nutrients.

card image

55
card image

For each situation, indicate whether it is associated with an increased basal metabolic rate (BMR) or a decreased BMR by dropping it into the correct box.

card image

56

For each kilogram of body weight, an individual requires __________ of energy to maintain their basal metabolic rate.

1 calorie per hour

57

1. A person in positive energy balance will ____ weight.

2. A person in energy balance will _____ weight.

3. A person in negative energy balance will ___ weight

1. gain

2. maintain

3. lose

58
card image

Classify the BMI (body mass index) values as being healthy, overweight, or obese.

card image

59
card image

Indicate the correct values for each weight range.

card image

60
card image

Complete the sentences describing energy balance and weight

card image

61

Healthy bones need an adequate supply of the minerals that form the inorganic structure of bone tissue. Having an adequate supply relies upon the functioning of a vitamin that helps in the absorption and retention of those minerals.

1. The inorganic portion of bone tissue consists of what two minerals?
2. Vitamin __________ functions in the absorption of minerals needed for bone formation.
3. In children, deficiency of this vitamin results in deformity of bones. What is this condition called?

1. Calcium and phosphorus
2. D
3. Rickets

62

Production of normal red blood cells requires that normal DNA be formed and that hemoglobin be produced in adequate amounts. Several vitamins and minerals are needed for these processes to occur normally.

1. Several B vitamins, including __________ and __________ are necessary to produce DNA. Due to their rapid production, RBCs are affected if these vitamins are deficient; anemia can develop.

2. Production of hemoglobin requires what mineral?

3. Long-term deficiency of __________ and/or __________ leads to pernicious anemia, a condition in which nerve damage has already occurred at the time the anemia becomes symptomatic.

4. Deficiency of __________ leads to megaloblastic anemia, in which abnormal RBCs are very large (megalo-) and nucleated.

5. Deficiency of __________ leads to an anemia in which the RBCs are very pale, due to reduced quantity of hemoglobin.

1. Folic acid; vitamin B12
2. Iron
3. Vitamin B12; cobalt
4. Folic acid
5. Iron

63

Several minerals serve as electrolytes in body fluids and cells. Their balance across neuron and muscle cell membranes influences membrane polarization, depolarization, and repolarization. Imbalances due to deficiencies of these electrolytes affect the functioning of nerves and muscles.

1. Cramps and convulsions result from hyperexcitability of neural and muscular tissue. This can be caused by a deficiency in what mineral?
2. Tetany (sustained contractions) can result from deficiency of __________. This mineral also is needed for bone formation.
3. Deficiency in __________ results in muscular weakness due to hyperpolarization of the cell membranes.

1. Sodium
2. Calcium
3. Potassium

64
card image

Several vitamins have roles in keeping epithelial and connective tissues healthy. Their deficiency results in symptoms involving these tissues. Complete the sentences describing these vitamins.

card image

65
card image

Match each vitamin with its associated deficiency symptoms.

card image

66

Parathyroid hormone stimulates the production of the active form of vitamin __________, which then increases calcium absorption by the digestive system.

D

67
card image

Several B vitamins act as coenzymes for the cellular respiration reactions. Indicate which B vitamin is involved at each labeled point in the pathway.

card image

68

The vitamin __________ is a coenzyme for reactions involving nitrogen-containing compounds, including proteins and amino acids. Therefore, the dietary need for this vitamin depends on protein intake.

B6

69
card image

Complete the sentences describing the function of some of the minerals.

card image

70

Name the minerals that are important electrolytes for muscle and nerve function.

Sodium, potassium, and calcium

71
card image

Place each description in the appropriate box, describing either marasmus or kwashiorkor, two types of malnutrition.

card image

72

Indicate which situations lead to primary malnutrition

-Lack of available food
-Anorexia nervosa

- Excessive intake of high calorie food

Malnutrition is defined as poor nutrition and includes both undernutrition and overnutrition. Primary malnutrition is due to diet alone. Secondary malnutrition occurs because of (secondary to) some other cause or condition.

73
card image

The labels describe the eating disorders anorexia nervosa and bulemia.

card image

74

With aging, the number of calories needed in the diet gradually increases.

False

75

Medical and socioeconomic conditions of many elderly leads to __________.

Undernutrition

76
card image

Place each image into the correct box, indicating whether the individual is in a positive nitrogen balance or a negative nitrogen balance.

card image

77

Carbohydrates, lipids, and proteins are __________ that provide energy and are required in large amounts. Vitamins and minerals are __________ that do not provide energy and are required in smaller amounts.

Macronutrients; micronutrients

78

Why is dietary fiber beneficial to the diet?

Fiber provides "bulk" in intestines, allowing better movement of intestinal contents.

79

Define the term gluconeogenesis.

Production of glucose from non-carbohydrates, like proteins and fats

80

Substances called __________ consist of a surface layer of phospholipid, cholesterol, and protein that surrounds a core consisting of triglycerides and other lipid-soluble compounds.

Lipoproteins

81

In comparing the classes of macronutrients, name the class that provides the most energy per gram.

lipids

82

What does body mass index (BMI) measure?

Weight relative to height

83

What structure regulates appetite?

Hypothalamus

84

What nutrient is absorbed along with other lipids, dissolves in lipids, and can lead to overdose with excess intake?

Fat-soluble vitamins

85

The fat-soluble vitamin __________ can be produced by intestinal bacteria.

K

86

Name the hormone that regulates sodium levels in the blood by altering kidney reabsorption of sodium.

Aldosterone

87

What is the product of the process of lipogenesis?

fats

88

What is the product of the process of glycogenesis?

Glycogen

89

The hormone called ______ suppresses appetite. It does so by inhibiting the release of ______, a neurotransmitter released from the hypothalamus. This compound ______ eating.

Leptin; neuropeptide Y; stimulates

90

Which hormone, if it were to be used clinically, could help in weight loss?

Leptin

91
card image

Complete the sentences describing how different nutrients can be used to produce ATP.

card image