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ATI Nutrition Proctored Exam 2019 Answers
1. Which option below is an example of a meal or snack that contains complementary proteins?
- A. an egg and cheese omelet
- B. a peanut butter sandwich
- C. trail mix with nuts and raisins
- D. mixed bean salad with green beans, kidney beans, and white beans
Correct answer: B
Rationale: The correct answer is B, a peanut butter sandwich. A peanut butter sandwich combines grains from the bread and proteins from the nuts in the peanut butter, providing complementary proteins. This combination offers all essential amino acids. Choices A, C, and D do not contain complementary proteins as they lack the combination of different protein sources necessary to provide a complete amino acid profile.
2. The major focus of nutritional recommendations in this century has shifted to:
- A. prevention and control of chronic diseases.
- B. improved sanitation and public health.
- C. prevention and control of infectious diseases.
- D. development of healthful foods using food technology.
Correct answer: A
Rationale: The correct answer is A: prevention and control of chronic diseases. In this century, nutritional recommendations have increasingly emphasized the importance of preventing and managing chronic diseases like obesity, diabetes, cardiovascular diseases, and cancer. Lifestyle factors such as diet play a significant role in the development of these conditions. Option B, improved sanitation and public health, although important for overall health, is not the primary focus of nutritional recommendations. Option C, prevention and control of infectious diseases, is also crucial but does not reflect the current major focus of nutritional recommendations. Option D, development of healthful foods using food technology, is a valid area of interest but is not the primary shift in focus observed in nutritional recommendations.
3. Which of the following saturated fats does not contain cholesterol?
- A. Butter
- B. Coconut oil
- C. Eggs
- D. Fish
Correct answer: B
Rationale: The correct answer is B, Coconut oil. Coconut oil is a saturated fat derived from plants and does not contain cholesterol, unlike the other options. Butter (choice A) is an animal-derived saturated fat that contains cholesterol. Eggs (choice C) and fish (choice D) also contain cholesterol, making them incorrect choices. Therefore, coconut oil is the only option that is a saturated fat and does not contain cholesterol.
4. How is the enzyme trypsin activated?
- A. By zymogen.
- B. By bile.
- C. By gastrin.
- D. By enterokinase.
Correct answer: D
Rationale: The correct answer is D: By enterokinase. Trypsin is activated by enterokinase, an enzyme secreted by the small intestine. Enterokinase plays a crucial role in converting trypsinogen into its active form, trypsin. Choices A, B, and C are incorrect because trypsin is specifically activated by enterokinase, not by zymogen, bile, or gastrin.
5. In the most recent edition of Choose Your Foods: Exchange List for Diabetes, the three groups into which foods are arranged are:
- A. fruits and vegetables, breads, and meats.
- B. fats, starches and sugars, and meat and milk.
- C. fruits and vegetables, meat and milk, and starches.
- D. carbohydrates, meat and meat substitutes, and fats.
Correct answer: D
Rationale: The correct answer is D: carbohydrates, meat and meat substitutes, and fats. The most recent edition of Choose Your Foods: Exchange List for Diabetes categorizes foods into these three groups for easier meal planning. Choice A is incorrect because it does not include carbohydrates and groups bread with fruits and vegetables. Choice B is incorrect because it separates carbohydrates into starches and sugars, which are usually counted together in diabetes meal planning. Choice C is incorrect as it does not specifically categorize foods into carbohydrates, meat, and fats as per the latest edition.
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