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: D

Rationale: The correct answer is D, the Supplemental Nutrition Assistance Program (SNAP). SNAP provides financial assistance to help low-income individuals purchase food, directly addressing economic barriers to nutrition. Choices A, B, and C do not directly address the economic aspect of the community's nutritional status. A public service announcement on healthy eating may raise awareness but does not provide financial assistance. Educational programs on food safety focus on a different aspect of nutrition. The MyPyramid food guidance system is a tool for healthy eating but does not address the economic challenges faced by the community.

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.

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.

Correct Answer: D

Rationale: Dietary fiber helps lower cholesterol levels by binding to bile acids and reducing cholesterol absorption.