Hypo-osmotic dehydration is seen in
Adrenocoical insufficiency
Decreased water intake
Chronic renal failure
SIADH
Answer- A. Adrenocoical insufficiencyLoss of salt in excess of water causes hypo-osmotic volume contraction.This usually results from adrenocoical insufficiency associated with renal loss of NaCl.Aspiration ofgastric secretions can cause hypeonic fluid loss from body.