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Food and Nutrition Chapter 30.2

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Quiz on Food and Nutrition Chapter 30.2, created by lindy on 30/03/2014.
lindy
Quiz by lindy, updated more than 1 year ago
lindy
Created by lindy about 10 years ago
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Resource summary

Question 1

Question
Molecules in food contain chemical energy that cells use to produce ATP. Food also supplies raw materials your body needs to build and repair tissues.
Answer
  • True
  • False

Question 2

Question
why do we need to eat?
Answer
  • we eat to gain energy
  • food supplies raw materials used to build and repair body tissues
  • both of the above
  • neither of the above

Question 3

Question
nutrients are substances in food that supply the energy and raw materials your body needs for growth, repair and maintenance.
Answer
  • True
  • False

Question 4

Question
the nutrients that the body needs include:
Answer
  • water, carbohydrates and fats
  • water, carbohydrates, fats and minerals
  • water, carbohydrates, fats and proteins
  • water, carbohydrates, fats, proteins, vitamins and minerals

Question 5

Question
water is the most important nutrient because:
Answer
  • every cell in the human body needs water
  • many of the body's processes including chemical reactions take place in water
  • water makes up the bulk of blood, extracellular fluid and other bodily fluids
  • water can be lost from the body when you sweat, in urine and with every breath you exhale
  • humans need at least 1 liter of fluid each day
  • all of the above

Question 6

Question
simple and complex carbohydrates are a major source of energy
Answer
  • True
  • False

Question 7

Question
fats help the body as they
Answer
  • absorb fat soluble vitamins
  • are part of cell membranes, nerve cells and certain hormones
  • both of the above
  • neither of the above

Question 8

Question
when there are only single bonds between the carbon atoms in the fatty acids, each carbon atom has the maximum number of hydrogen atoms and the fat is said to be
Answer
  • saturated
  • unsaturated

Question 9

Question
these fats have one or more double bonds between carbon atoms which reduces the number of hydrogen atoms in their fatty acids.
Answer
  • saturated fats
  • unsaturated fats

Question 10

Question
these fats are usually liquid at room temperature, such as vegetable oil
Answer
  • saturated fats
  • unsaturated fats

Question 11

Question
unsaturated fats that are modified by adding hydrogen to them or processed are
Answer
  • trans fats
  • saturated fats

Question 12

Question
these fats are solid at room temperature and have a longer shelf life
Answer
  • saturated fats
  • unsaturated fats
  • trans fats

Question 13

Question
because many vegetable oils contain more than one double bond, they are called
Answer
  • saturated
  • polyunsaturated
  • unsaturated

Question 14

Question
proteins have a variety of roles in the body including:
Answer
  • proteins supply raw materials for growth and repair of structures such as skin and muscle
  • many enzymes that control chemical chemistry by increasing the rates of chemical reactions are made of proteins
  • proteins have regulatory and transport functions (e.g., insulin is a protein that regulates blood sugar levels and hemoglobin, a protein found in red blood cells helps transport oxygen )
  • proteins can be used as energy sources when other nutrients such as carbohydrates are in short supplu
  • all of the above

Question 15

Question
proteins are polymers of amino acids
Answer
  • True
  • False

Question 16

Question
the body is able to synthesize 12 of the 20 amino acids used to make proteins and the other 8 are called essential amino acids
Answer
  • True
  • False

Question 17

Question
organic molecules that the body needs in very small amounts are called vitamins
Answer
  • True
  • False

Question 18

Question
most vitamins are needed by the body to help perform chemical reactions
Answer
  • True
  • False

Question 19

Question
there are two types of vitamins
Answer
  • fat soluble and water soluble
  • unsaturated and saturated

Question 20

Question
these vitamins are fat soluble
Answer
  • A,C, D, E
  • A, D ,E, K

Question 21

Question
water soluble vitamins include
Answer
  • C, D,,B
  • C, B

Question 22

Question
fat soluble vitamins can build up small deposits of these vitamins for future use, but water soluble vitamins dissolve in water and cannot be stored in the body and therefore should be included in foods eaten each day
Answer
  • True
  • False

Question 23

Question
inorganic nutrients that the body needs usually in small amounts are called minerals
Answer
  • True
  • False

Question 24

Question
a balanced diet provides nutrients in adequate amounts and enough energy for a person to maintain a healthful weight
Answer
  • True
  • False

Question 25

Question
a balanced diet provides nutrients in adequate amounts and enough energy for a person to maintain a healthful weight
Answer
  • True
  • False

Question 26

Question
food labels can be used to choose healthful foods because:
Answer
  • they provide general information about nutrition
  • they provide specific information about the product
  • they can be used to determine if you are consuming enough of some of the important vitamins and minerals
  • all of the above
  • none of the above

Question 27

Question
when using food labels it is important to remember that percent daily values are based on a 2000 calorie diet
Answer
  • True
  • False

Question 28

Question
people who are more active than average have greater energy needs and when a person stops growing or becomes less active their need for energy decreaes
Answer
  • True
  • False

Question 29

Question
these factors contribute to the rise of obesity in the US over the last several decades
Answer
  • inactive lifestyles
  • high calorie diets
  • both of the above

Question 30

Question
The American Heart Association recommends a diet with a maximum of 30% of calories from fat, of which only 7% should be from saturated fats and 1% from trans fats
Answer
  • True
  • False

Question 31

Question
fat contains about 9 calories per gram and carbohydrate and protein contain 4 calories per gram
Answer
  • True
  • False

Question 32

Question
foods that contain a high amount of any type of fat are high in calories
Answer
  • True
  • False
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