CHAPTER 22

Which of the following is an organ of the alimentary canal?

Which of the following is NOT a major job of the digestive system?

What is the first process to occur in the digestive system?

From deep (innermost) to superficial (outermost), the layers of the organs of the alimentary canal are: 1. mucosa 2. muscularis externa 3. serosa (adventitia) 4. submucosa

The bolus is able to move down the esophagus even if you are upside-down, because of __________.

The crown of a tooth is covered by:

Carbohydrate digestion begins in the:

What is the main job of the pharynx?

A meal high in protein will cause __________.

The esophagus empties into the __________ region of the stomach.

The __________ cells of the stomach produce and secrete hydrochloric acid (HCl).

Chief cells release:

The conversion of pepsinogen into the active form, pepsin, requires:

Which process is NOT a main function of the stomach?

Most nutrient absorption in the GI tract occurs in the __________.

Which segment of the small intestine receives chyme from the stomach?

What is the final segment of the small intestine?

The first portion of the large intestine is the:

What is NOT a major function of the normal flora of the large intestine?

Which of the following operates voluntarily and is controlled by the cerebral cortex?

The final process to occur in the alimentary canal is:

What stimulus initiates the defecation reflex?

The gallbladder releases bile into the __________.

Which of the following is NOT one of the functions of the liver?

Hormone released by the duodenum in response to acids and lipids in the duodenum

Hormone released by the duodenum in response to lipids and partially digested proteins in the duodenum

Hormone produced by an enteroendocrine cell of the stomach to inhibit acid secretion by the stomach

Hormone produced by an enteroendocrine cell of the stomach called a G cell

Hormone produced by the duodenum to reduce acid secretion by the stomach

Acinar cells of the pancreas release:

The gallbladder is located on the posterior side of the:

What is responsible for the emulsification of lipids in the duodenum?

Damaged hepatocytes will impair:

The removal of the gallbladder will affect:

Most digestive enzymes catalyze __________ reactions.

Which of the following vitamins is absorbed in the ileum after binding to intrinsic factor?

Which of the following enzymes digests proteins?

Before carbohydrates are absorbed, __________ digest disaccharides into monosaccharides.

The enzyme salivary amylase catalyzes the reactions that break polysaccharides into oligosaccharides in this organ

The enzyme pepsin catalyzes reactions that digest proteins in this organ

Lipids are assembled into triglycerides and packaged into chylomicrons within enterocytes of this organ

The hepatic portal vein takes the breakdown products of nucleic acids to this organ for metabolism

Inactive precursors to enzymes are released by this organ to catalyze reactions that digest proteins in the small intestine

Which of the following is NOT one of the functions of the digestive system?

The sympathetic nervous system:

Which of the following tongue papillae do NOT contain taste buds?

During the swallowing reflex __________.

Which of the following is NOT a process occurring in the oral cavity?

Which cranial nerve stimulates acid secretion during the stomach's gastric phase?

Which of the following does NOT increase surface area in the small intestine?

Which process is a squeezing motion of the circular layer of smooth muscle in the small intestine?

Which of the following is paired incorrectly?