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: Sodium plays a key role in maintaining fluid balance and regulating blood pressure.

Correct Answer: B

Rationale: Protein is essential for tissue repair and wound healing.

Correct Answer: A

Rationale: Thiamin, or Vitamin B1, plays a crucial role in energy metabolism and the proper functioning of the nervous system.

Correct Answer: C

Rationale: Increasing dietary fiber can help reduce cholesterol levels in patients with hyperlipidemia.