how many vitamins are known to be required in the diet of human beings
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Nutrition Final Exam Quizlet

1. How many vitamins are known to be required in the diet of human beings?

Correct answer: D

Rationale: The correct answer is D: 13. There are 13 essential vitamins required in the diet of human beings, including vitamins A, C, D, E, K, and the B vitamins. Choice A (5), Choice B (8), and Choice C (10) are incorrect because they do not represent the total number of essential vitamins needed by human beings.

2. What is an important nursing intervention for a child with a newly inserted central venous catheter?

Correct answer: A

Rationale: Regularly monitoring for signs of infection is a critical nursing intervention for a child with a newly inserted central venous catheter. This intervention is essential to detect any early signs of infection, such as redness, swelling, or drainage at the catheter site, which can lead to serious complications like sepsis. Administering intravenous fluids as ordered is important but not the most crucial intervention for a newly inserted central venous catheter. Restricting the child's movement is unnecessary unless specified by the healthcare provider. Performing daily dressing changes alone is not sufficient to ensure the catheter's integrity and the child's safety; monitoring for signs of infection is key.

3. What dietary modification is important for a child with celiac disease?

Correct answer: B

Rationale: The correct answer is B: Avoid gluten-containing foods. For a child with celiac disease, it is crucial to eliminate gluten from their diet to manage the condition effectively. Gluten triggers an immune response in individuals with celiac disease, leading to symptoms and damage to the small intestine. Choices A, C, and D are incorrect because increasing dairy intake, decreasing protein intake, or increasing fiber intake are not specific dietary modifications for managing celiac disease.

4. Why is peer review important in scientific research?

Correct answer: C

Rationale: Peer review is crucial in scientific research to verify the accuracy and validity of research findings. By subjecting research papers to evaluation by experts in the field, peer review ensures that the study's methods, results, and conclusions are robust and reliable. This process helps to maintain high standards of quality in scientific publications, providing credibility to the research. Choices A and D are incorrect because the primary purpose of peer review is not to expedite publication or solely enhance credibility; its core function is to validate the research's accuracy and validity. Choice B, while beneficial, is not the primary reason for peer review; replication is a byproduct of the rigorous evaluation of research methods and findings.

5. Which individual is making a food choice based on negative association?

Correct answer: D

Rationale: Choice D is the correct answer because the elderly gentleman is refusing the peanut butter and jelly sandwich due to his negative association of considering it a child's food. This negative association influences his food choice. Choices A, B, and C do not involve negative associations with the food being consumed. Choice A is based on unfamiliarity, Choice B is due to taste preference, and Choice C is driven by social considerations rather than negative food association.

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