Digestive System MCQs

lamina propria muscularis mucosa submucosa muscularis Inner circular and outer longitudinal layers are characteristic of the ____ layer of the digestive tract. lamina propria muscularis mucosa submucosa muscularis

thoracic spinal nerves. lumbar spinal nerves. sacral spinal nerves. Most of the digestive system receives its parasympathetic innervation from the vagus nerve. thoracic spinal nerves. lumbar spinal nerves. sacral spinal nerves.

Mucus is secreted throughout much of the gastrointestinal tract by G cells. enterochromaffin-like cells. parietal cells. goblet cells.

Hormones are secreted by chief cells. parietal cells. G cells. goblet cells.

insulin trypsin amylase bicarbonate Pancreatic juice contains a wide variety of compounds. Which of the following will be involved in the degradation of carbohydrates? insulin trypsin amylase bicarbonate

segmentation peristalsis tetanus fatigue Smooth muscle activity that mixes and churns a bolus of food is called _____________. segmentation peristalsis tetanus fatigue

intestinal gastric cephalic colonic The ___________ phase of gastric regulation involves the distension of the stomach and the release of gastrin. intestinal gastric cephalic colonic

muscularis serosa submucosa mucosa The _______ is the inner layer of the gastrointestinal tract which functions in absorption and secretion. muscularis serosa submucosa mucosa

These cells secrete pepsinogen in the stomach: parietal cells chief cells goblet cells G cells