lab 16

The average alimentary canal from an adult cadaver is approximately: Select one: a. 10 feet long b. 20 feet long c. 30 feet long d. 40 feet long

30 feet long

Which of the following prevent the backwards flow of food in the esophagus? Select one: a. Upper Esophageal Sphincter and Pyloric Sphincter b. Upper Esophageal Sphincter and Cardiac Sphincter c. Cardiac Sphincter and Pyloric Sphincter* d. Pyloric Sphincter

?

Hepatocytes are cells of the interior stomach lining. Select one: a. True b. False

False

Peristalsis is the process of chewing food. Select one: a. True b. False

False

Saliva is 50% water and 50% enzymes. Select one: a. True b. False

False

The salivary glands are a component of the alimentary canal. Select one: a. True b. False

False

The anterior chisel-shaped teeth that are adapted for cutting are called: Select one: a. Incisor b. Canines c. Premolars d. Molars

Incisor

What is the role of the gallbladder? Select one: a. It secretes bile. b. It stores extra bile. c. It plays a role in immunity. d. It mediates mechanical digestion

It stores extra bile.

Hepatocytes are cells of the: Select one: a. Liver b. Gallbladder c. Pancreas d. Small Intestine

Liver

Which of the following is not a member of the alimentary canal? Select one: a. Esophagus b. Liver c. Mouth d. Stomach

Liver

Which of the following is NOT a component of the oral cavity? Select one: a. Gums b. Tongue c. Teeth d. None, these are all components of the oral cavity.

None, these are all components of the oral cavity.

The enzyme amylase is found in the: Select one: a. Gastric Juice of the Stomach b. Small Intestine Brush Border c. Pancreatic Juice d. None of the above

Pancreatic Juice

The enzyme trypsin is found in the: Select one: a. Gastric Juice of the Stomach b. Small Intestine Brush Border c. Pancreatic Juice d. Saliva

Pancreatic Juice

What biomolecule does hydrochloric acid break down in the stomach? Select one: a. Carbohydrates b. Fats c. Proteins d. Water

Proteins

The small intestine extends from the: Select one: a. Appendix to the sigmoid colon. b. Pyloric sphincter to the ileocecal valve. c. Cardioesophageal sphincter to the ileocecal valve. d. Ileocecal valve to the appendix.

Pyloric sphincter to the ileocecal valve.

Which of the following is not a region of the small intestines? Select one: a. Rectum b. Duodenum c. Jejunum d. Ileum

Rectum

Which of the following is a component of the colon? Select one: a. Jejunum b. Rectum c. Duodenum d. Ileum

Rectume

The anus is part of the alimentary canal. Select one: a. True b. False

True

The pyloric sphincter controls the exit of food from the stomach to the small intestines. Select one: a. True b. False

True

The finger-like projections that increase the surface area for absorption and digestion in the small intestine are: Select one: a. Chyme b. Plicae Circulares c. Villi d. Lobules

Villi