Digestive System Review

Which of these processes occurs in the mouth?

• Ingestion

• Mechanical digestion

• Chemical digestion

• Ingestion, mechanical & chemical digestion

Which of these organs is not considered an accessory digestive structure?

• Mouth

• Salivary glands

• Pancreas

• Liver

Parietal cells secrete ________.

• gastrin

• pepsin

• pepsinogen

• hydrochloric acid

In which part of the alimentary canal does most digestion occur?

• stomach

• proximal small intestine

• distal small intestine

• ascending colon

Which of the following organs is supported by a layer of adventitia rather than serosa?

• esophagus

• stomach

• small intestine

• large intestine

Which part of the large intestine attaches to the appendix?

• transverse colon

• cecum

• ascending colon

• descending colon

Which of the following is an enzyme found in the saliva?

• peptidase

• lipase

• amylase

• lactase

Teeth are made of a bone-like substance called ______.

• Cartilage

• Duodenum

• Ostium

• Dentin

The inner most layer of the GI tract wall is called the _______.

• Mucosa

• Submucosa

• Muscularis externia

• Serosa

Which of the following is most associated with villi?

• lacteals

• intestinal glands

• bacteria flora

• polyps