NMNC 4335 IV Skills Practice Test

In GI bleeding, the body loses circulating blood volume, creating a fluid volume deficit (hypovolemia). The most consistent sign among the options is weight loss, because it directly reflects a net loss of body fluids from the intravascular space after bleeding. Losing blood reduces total body fluid, so weight decreases as fluids are wasted from the circulating volume.

The other findings point to different states: weight gain would suggest fluid overload rather than deficit; distended neck veins indicate increased venous pressure and fluid excess rather than deficit; and shortness of breath is not specific to volume loss and can arise from many other problems such as anemia or lung issues.