Highest frequency of BER is seen in which of the following?: (A) Stomach, (B) Duodenum, (C) Jejunum, (D) Ileum
Answer is B. BER - Basal electrical rhythm is the frequency of the electrical activity (slow waves) in the digestive tract. Stomach = 3-4/min., Duodenum = 12/min, jejunum = 9/min, ileum = 7/min.