Slow wave frequency is greatest in which of the following structures?
A)Duodenum
B)External anal sphincter
C)Ileum
D)Jejunum
E)Sigmoid colon

Question

Quizplus · Accepted Answer

The duodenum has the highest frequency of slow waves among the options listed. Slow waves, also known as basic electrical rhythm (BER), set the maximum possible frequency of contractions in the gastrointestinal tract. The frequency decreases progressively from the stomach to the colon, with the duodenum having the highest frequency, typically around 12 per minute.

Slow Wave Frequency Is Greatest in Which of the Following