Gastrointestinal System — Flashcards

Vagal stimulation is a potent direct activator of parietal cells (H+ secretion) via binding of the neurotransmitter _____ to M3 receptors

_____ is secreted from D cells in the GI mucosa

_____ is secreted from K cells in the duodenum and jejunum

Gastrin secretion is _____ by high pH of gastric contents

_____ is secreted from I cells in the duodenum and the jejunum

_____-rings represent a physiological contraction of esophageal smooth muscle covered by mucosa.

At least _____% of the pancreas needs to be dysfunctional before malabsorption symptoms manifest.

What type of diarrhoea ceases with fasting?_____

Physiological jaundice usually occurs because of _____ bilirubin

The first urge to defecate occurs when rectal pressure is increased to _____ mm Hg.