Which of the following is a consequence of sodium loading?

Sodium loading leads to an increase in extracellular fluid volume, which in turn stimulates thirst mechanisms in the body. When sodium is ingested in excess, it causes sodium retention, which leads to an increase in the osmotic pressure of the blood. As a result, the body retains more water to maintain a balance of electrolytes, leading to a feeling of increased thirst. This often results in patients consuming larger amounts of fluids, contributing to significant fluid gains.

Understanding the physiology behind this process illuminates why increased thirst and large fluid gains are a direct consequence of sodium loading. As sodium levels rise in the bloodstream, the kidneys respond by retaining water to dilute the excess sodium, ultimately resulting in increased fluid volume and thirst.