fatty acids may differ from one another
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Nursing Elites

ATI RN

ATI RN Nutrition Online Practice 2019

1. Fatty acids may differ from one another:

Correct answer: D

Rationale: Fatty acids vary in chain length and degree of saturation, affecting their physical properties and health effects.

2. A nurse is initiating continuous enteral feedings for a client who has a new gastrostomy tube. Which of the following actions should the nurse take?

Correct answer: D

Rationale: Flushing the client’s tube with 30 mL of water every 4 hours is essential to maintain tube patency and prevent blockages. This action helps ensure the continuous flow of enteral feedings without obstruction. Measuring the client’s gastric residual every 12 hours (Choice A) is important but not the priority when initiating enteral feedings. Obtaining the client’s electrolyte levels every 4 hours (Choice B) is unnecessary and not directly related to tube feeding initiation. Keeping the client’s head elevated at 15° during feedings (Choice C) is a good practice to prevent aspiration, but tube flushing is more crucial to prevent tube occlusion.

3. Which of the following are examples of mechanical digestion? Select all that apply.

Correct answer: C

Rationale: Mechanical digestion involves physical movements that break down food in the digestive tract. Segmentation (choice B) and peristalsis (choice D), which are both movements of the muscles in the digestive tract, are examples of this type of digestion. Heat (choice A), on the other hand, is related to chemical digestion, not mechanical digestion. Therefore, choice C (Option B and D) is the correct answer as it includes both examples of mechanical digestion provided in the choices. Choices A and D are incorrect because heat (choice A) is not a mechanical digestion process, and peristalsis (choice D) is a movement that helps propel food along the digestive tract but is not directly involved in breaking down food physically.

4. Medication for treating high blood cholesterol levels should not be used for most people unless:

Correct answer: D

Rationale: The correct answer is choice D because medication for high cholesterol is typically not considered unless Therapeutic Lifestyle Changes (TLC), which include diet and exercise, have not proven effective after a three-month period. This approach ensures that lifestyle modifications are given a fair chance to lower cholesterol levels before resorting to medication. Choice A is incorrect because the number of risk factors for coronary heart disease does not dictate when to begin medication; it is about the effectiveness of lifestyle changes. Choice B is incorrect as the duration of coronary heart disease symptoms does not determine when to start medication; the focus is on the response to TLC. Choice C is incorrect because the coverage of prescription drugs by the patient's insurance does not influence the medical decision to use medication for high cholesterol; it is based on medical necessity and effectiveness of prior interventions.

5. During an initial visit with an older adult client living alone and having difficulty preparing meals, what should the home health nurse do first?

Correct answer: D

Rationale: Performing a nutrition screening is the most appropriate action for the nurse to take first. This allows the nurse to assess the client's current nutritional status and identify any specific needs. Discussing nutritional requirements with the client (Choice A) may be important but should come after the initial assessment. Referring the client to a senior citizen center (Choice B) or arranging for a home-delivered meal program (Choice C) are actions that may be considered later based on the findings of the nutrition screening.

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