Test Bank for CHAPTER 19 THE DIGESTIVE SYSTEM

All of the following are part of the gastrointestinal tract except the A) stomach. B) gallbladder. C) esophagus. D) small intestine. E) pharynx. Answer: B Reference: Overview pf the Digestive System Level of Difficulty: Easy 2. Which of the following is NOT an accessory structure of the digestive system? A) liver B) gallbladder C) pancreas D) spleen E) teeth Answer: D Reference: Overview pf the Digestive System Level of Difficulty: Easy 3. The layer of the GI tract wall that contains blood and lymphatic vessels is the A) muscularis mucosa. B) mucosa. C) submucosa. D) serosa. E) muscularis. Answer: C Reference: Layers of the GI Tract and the Omentum Level of Difficulty: Medium 4. The ability of the GI tract to mix and move material along its length is called A) digestion. B) ingestion. C) absorption. D) motility. E) excitability. Answer: D Reference: Overview pf the Digestive System Level of Difficulty: Easy