Correct Answer: C

Rationale: Effective nursing care involves comprehensive assessments that address all aspects of a patient's condition, ensuring that interventions are appropriately targeted and outcomes are optimized.

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.

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.

Correct Answer: D

Rationale: Understanding the underlying pathology and therapeutic techniques ensures that nursing care is not only reactive but also preventative, reducing the risk of complications.

Correct Answer: D

Rationale: The correct answer is D: Dairy products. Older adults are often deficient in calcium and vitamin D, which are abundant in dairy products. These nutrients are essential for maintaining bone health. Choice A (Carbohydrates) is incorrect because while carbohydrates are an essential nutrient, they are not specifically addressing the main nutrient deficits for older adults. Choice B (Oily fish and krill oil) is incorrect as these foods are sources of omega-3 fatty acids and not specifically addressing the main nutrient deficits common in older adults. Choice C (Yellow vegetables) is incorrect because although vegetables are important for overall health, they do not directly address the main nutrient deficits typically seen in older adults.