Highest concentration of potassium is seen in:: (A) Jejunum, (B) Ileum, (C) Duodenal, (D) Sigmoid colon
Answer is D. Ans. (d) Sigmoid colonRef: Schwartz 10/e p69* Highest concentration of potassium seen in Colon (30mEq/L).* Highest absorption of potassium occurs in colon