Exam 24: The Digestive System

The release of hydrochloric acid (HCl) into the lumen of the stomach is which basic process of digestion?

Antacid tablets (e.g. TUMS, ROLAIDS) are used to help neutralize the acidity of gastric contents. What cells are responsible for this acidity?

As a result of the action of pancreatic enzymes, the following are digested in the lumen of the small intestine: carbohydrates (starches), proteins, triglycerides (fats and oils), nucleic acids.

Enzymatic breakdown of food is a form of mechanical digestion.

Which of the following is NOT a function of the gallbladder?

Describe the teeth of the permanent dentition in order from anterior to posterior.

The upper esophageal sphincter is composed of a circular band of skeletal muscle. The lower esophageal sphincter is composed of a circular band of smooth muscle.

The functions of the esophagus include:

The sphincter of the hepatopancreatic ampulla (sphincter of Oddi) directly controls the flow of bile between:

The palatine tonsils are located in the uvula, at the posterior border of the soft palate.

The pancreas is the largest internal organ and heaviest gland of the body.

Describe the route traveled by bile from the time it is secreted until it enters the duodenum.

The esophagus is not suspended in a cavity and therefore will not have a true serous membrane.

In the permanent dentition, the teeth that have two cusps and commonly two roots are the upper first premolars (bicuspids).

Which of the following substances are not absorbed in the large intestine?