Digestive System MCQs Inner circular and outer longitudinal

Digestive System MCQs

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

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

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

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

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

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

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