Correct option is B
In CHF, fluid overload worsens symptoms. Nurses should restrict fluids, monitor daily weight, and follow physician’s prescription for sodium and fluid balance.
Explanation of options: (a) ✘ Excess fluids worsen pulmonary congestion. (b) ✔ Correct; fluid restriction prevents overload. (c) ✘ Sodium restriction is recommended, not supplementation. (d) ✘ Supine position worsens orthopnea; Fowler’s position preferred.