<prompt> A patient on total parenteral nutrition for 20 days presents with weakness, veigo and convulsions. Diagnosis is:HypomagnesemiaHyperammonemiaHypercalcemiaHyperkalemia  <response>: Ans. is a i.e., Hypomagnesemia All the above given metabolic abnormalities except hyperammonemia is seen in TPN, however the symptoms mentioned match with those of hypomagnesemia. 