Digestive System

Each of the following organs is a component of the digestive tract, except the

• stomach.
• pharynx.
• esophagus.
• bladder.

Which of the following is an accessory organ of digestion?

• colon
• spleen
• pancreas
• appendix

The oral mucosa has ________ epithelium.

• simple squamous
• stratified squamous
• pseudostratified
• stratified columnar

The ________ are double sheets of peritoneal membrane that suspend the visceral organs and carry nerves, lymphatics, and blood vessels.

• fibrosa
• adventitia
• mesenteries
• serosa

Waves of muscular contractions that propel the contents of the digestive tract are called

• segmentation.
• pendular movements.
• peristalsis.
• churning movements.

The activities of the digestive system are regulated by

• parasympathetic and sympathetic neurons.
• intrinsic nerve plexuses
• the contents of the digestive tract
• all of the above

Which of the following is not a function of the digestive system?

• filtration
• ingestion
• compaction
• mechanical processing

 ________ pair(s) of salivary glands secrete into the oral cavity.

• One
• Two
• Three
• Four

The roof of the oral cavity is formed by the

• hard palate.
• soft palate.
• all of the above
• none of the above

The ridge of oral mucosa that surrounds the base of a tooth is the

• faux.
• uvula.
• alveolus.
• gingiva.