which fatty acid has carbons connected by two or more double bonds
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Nursing Elites

ATI RN

Nutrition ATI Proctored Exam

1. Which type of fatty acid has carbon atoms connected by two or more double bonds?

Correct answer: D

Rationale: The correct answer is D. Polyunsaturated fatty acids. Polyunsaturated fatty acids have two or more double bonds in their carbon chains, making them less stable and more prone to oxidation. This characteristic distinguishes them from saturated fatty acids (Choice A), which have single bonds between carbon atoms providing stability. Monounsaturated fatty acids (Choice B) contain only one double bond, and trans fatty acids (Choice C) can have varying numbers of double bonds but are not specifically defined by having two or more double bonds.

2. Cocaine is derived from the leaves of coca plant; the nurse knows that cocaine is classified as:

Correct answer: A

Rationale: Patient safety and efficacy of care depend on actions rooted in established nursing protocols that consider both the immediate and long-term needs of the patient.

3. A client with diabetes is being taught by a nurse about the dietary source that should provide the greatest percentage of calories. Which of the following statements indicates the client understands the teaching?

Correct answer: B

Rationale: The correct answer is '"I should eat more calories from complex carbohydrates than anything else."?' Clients with diabetes should focus on complex carbohydrates as their primary calorie source because they have a lower impact on blood sugar levels compared to simple sugars or fats. Choice A is incorrect because a high intake of fats can lead to various health issues. Choice C is incorrect because simple sugars can cause rapid spikes in blood sugar levels. Choice D is incorrect as while protein is important, it should not be the main source of calories for someone with diabetes.

4. Which term is used to describe medical practices that have been thoroughly evaluated using scientific methods?

Correct answer: C

Rationale: The correct answer is C, 'Evidence-based.' Evidence-based practices refer to medical practices that have been thoroughly evaluated and supported by scientific research. Meta-analysis (A) involves statistical analysis that combines the results of multiple studies. Systematic reviews (B) are comprehensive reviews that synthesize evidence from multiple studies. Observational studies (D) are research methods where researchers observe subjects in their natural environment.

5. Knowing that for a comatose patient hearing is the last sense to be lost, as Judy’s nurse, what should you do?

Correct answer: B

Rationale: Nursing interventions should be grounded in a deep understanding of the physiological processes involved, ensuring that care provided is both effective and efficient.

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