Digestive System MCQs

1
Digestive System MCQs
2
Inner circular and outer longitudinal layers are
characteristic of the ____ layer of the digestive
tract.

• lamina propria
• muscularis mucosa
• submucosa
• muscularis

3
Most of the digestive system receives its
parasympathetic innervation from the

• vagus nerve.
• thoracic spinal nerves.
• lumbar spinal nerves.
• sacral spinal nerves.

4
Mucus is secreted throughout much of the
gastrointestinal tract by

• G cells.
• enterochromaffin-like cells.
• parietal cells.
• goblet cells.

5
Hormones are secreted by

• chief cells.
• parietal cells.
• G cells.
• goblet cells.

6
Pancreatic juice contains a wide variety of
compounds. Which of the following will be
involved in the degradation of carbohydrates?

• insulin
• trypsin
• amylase
• bicarbonate

7
Smooth muscle activity that mixes and churns a
bolus of food is called _____________.

• segmentation
• peristalsis
• tetanus
• fatigue

8
The ___________ phase of gastric regulation
involves the distension of the stomach and the
release of gastrin.

• intestinal
• gastric
• cephalic
• colonic

9
The _______ is the inner layer of the
gastrointestinal tract which functions in
absorption and secretion.

• muscularis
• serosa
• submucosa
• mucosa

10
These cells secrete pepsinogen in the stomach

• parietal cells
• chief cells
• goblet cells
• G cells