Nokea
Which observation provides evidence that a person has good nutritional status?
- A. Small muscle mass.
- B. Normal weight-to-height ratio.
- C. Smooth tongue.
- D. Fragile skin.
Correct Answer: B
Rationale: A normal weight-to-height ratio is a reliable indicator of good nutritional status as it suggests that the person is well-nourished and not underweight or overweight. Small muscle mass (choice A) can indicate malnutrition, a smooth tongue (choice C) can be a sign of vitamin deficiencies, and fragile skin (choice D) can be a sign of poor nutrition or other health issues, but they are not as direct indicators of good nutritional status as a normal weight-to-height ratio.
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How many kilocalories are provided by 15 grams of protein?
- A. 15
- B. 45
- C. 60
- D. 135
Correct Answer: C
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
A major focus of the 2010 Dietary Guidelines is:
- A. generally healthy segments of the population
- B. the unhealthy American public
- C. vulnerable population segments
- D. ethnically diverse eating styles
Correct Answer: B
Rationale: The correct answer is B: the unhealthy American public. The 2010 Dietary Guidelines primarily aimed to address the unhealthy eating habits prevalent in the American population. Choice A is incorrect as the focus was not solely on generally healthy segments of the population. Choice C is incorrect as the guidelines were not specifically tailored only for vulnerable population segments. Choice D is incorrect as the guidelines were more concerned with promoting healthy eating habits rather than ethnically diverse eating styles.
Dietary guidelines are most useful for:
- A. limiting portion sizes.
- B. designing a personal food plan.
- C. making smart food choices.
- D. avoiding excessive nutrient intakes.
Correct Answer: C
Rationale: Dietary guidelines are designed to assist individuals in making smart food choices by providing recommendations on what to eat to maintain good health. While portion sizes may be a part of these guidelines, they are not the primary focus. Designing a personal food plan involves individual preferences and needs, which may go beyond general guidelines. Avoiding excessive nutrient intakes is important, but dietary guidelines aim to provide balanced recommendations rather than just focusing on avoiding excess.
The percentage of the total daily caloric intake for healthy persons that should be supplied by carbohydrate is:
- A. 10% to 35%.
- B. 20% to 35%.
- C. 40% to 55%.
- D. 45% to 65%.
Correct Answer: D
Rationale: The correct answer is D: 45% to 65%. Carbohydrates should contribute between 45% to 65% of the total daily caloric intake for healthy individuals to maintain a balanced diet. Choices A, B, and C are incorrect because they suggest lower ranges, which may not provide sufficient energy from carbohydrates for overall health and well-being.
A physical science that contributes to understanding how nutrition relates to health and well-being is:
- A. anatomy
- B. biochemistry
- C. physics
- D. pharmacology
Correct Answer: B
Rationale: Biochemistry is the correct answer because it focuses on understanding the chemical processes related to nutrition and how nutrients affect the body. Anatomy (choice A) primarily deals with the structure of organisms, not the chemical processes of nutrition. Physics (choice C) deals with energy and matter, not specifically related to nutrition. Pharmacology (choice D) focuses on drugs and their interactions with the body, not directly related to nutrition and its effects on health.