Metabolic alkalosis is seen in all except :
Answer is C (Uretero-sigmoidostomy): Ureterosigmoidostomy is a cause for normal anion gap type M eta bolic acidosis produced due to loss of bicarbonate in feces. All other options mentioned in the question are causes of metabolic alkalosis.
Thaizide diuretic therapy
Prolonged vomiting
Uretero-sigmoidostomy
Cushing's disease