Questions 69-75 are based on the following passage.
The United States government publishes guidelines for appropriate nutrient intakes. These areknown as the Recommended Dietary Allowances (RDAs) and are updated regularly based on newresearch in nutrition. RDAs are suggested amounts of calories, protein, and some minerals andvitamins for an adequate diet. For other dietary substances, specific goals must await furtherresearch. However, for the U.S. population as a whole, increasing starch and fiber in one’s diet andreducing calories (primarily from fats, sugar, and alcohol) is sensible. These suggestions areespecially appropriate for people who have other factors for chronic diseases due to family history of obesity, premature heart disease, diabetes, high blood pressure, and high blood cholesterol, orfor those who use tobacco.
Snacks can furnish about one-fourth of the calorie requirements among teenagers. Thosesnacks should also provide much of the day’s allowances for protein, minerals, and vitamins.Sandwiches, fruit, and milk make good snacks for active teenagers. Food from the food pyramidmay be part of any meal. A grilled cheese sandwich or a bowl of whole-grain cereal is just asnutritious in the morning as it is at noon. In addition, a good breakfast consists of any foods thatsupply about one-fourth of the necessary nutrients for the day.
69. The passage directly states that most of the U.S. population should increase their intake of
A. protein
B. fats
C. starch and fiber
D. sandwiches
70. A good breakfast should supply about what percentage of the necessary nutrients for the day?A. One-half.
B. One-third.
C. One-fourth.
D. Less than one-fourth.
71. The passage implies which of the following?
A. The time of day when food is consumed affects its nutritive value.
B. Different foods can be combined to increase total nutrition value.
C. It can be detrimental to your health to eat breakfast foods later in the day.
D. When food is eaten has no bearing on its nutritive effects.
72. Why are RDAs regularly updated?
A. New discoveries in the science of nutrition are constantly being made.
B. Americans’ diets are constantly changing.
C. As people age, their nutritional needs change.
D. Very little is currently known about nutrition.
73. In this passage RDAs refers to .
A. types of vitamins
B. types of protein
C. types of minerals
D. amounts of energy, protein, vitamins, and minerals
74. One implication in this passage is that .
A. all RDAs have been established
B. not all RDAs have been established yet
C. it’s not important to know RDAs
D. RDAs are necessary only for sick people
75. The reduction of calories in the diet is particularly good for people who suffer from
.A. obesity
B. premature heart disease and diabetes
C. high blood pressure and cholesterol levels
D. all of the above
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