Exam 14: The Digestive System and Nutrition

Region of the small intestine with the lowest pH is the ________.

The process by which food is propelled through the digestive tract by alternating contraction and relaxation of smooth muscle is

The digestion of proteins, lipids, and carbohydrates is completed in the ________.

Muscular movements that mix food in the lumen of the small intestine is referred to as

In the small intestine, amino acids and monosaccharaides are moved into the mucosal cells by the process of

The hepatic portal vein carries blood rich in nutrients from the liver to the small intestine; there, the nutrients undergo further processing before they are released into general circulation.

Once a bolus of food has been formed in the mouth, it is passed by the tongue and jaws to the

Dental caries are caused by the production of ________ by bacteria in the mouth.

Which major digestive process involves nutrient molecules passing across the mucosal layer of the GI tract into the blood or lymph?

Pepsin is a digestive enzyme that specifically targets

Fats that are liquids at room temperature are ________.

Mucin is a major component of saliva, which lubricates the teeth and causes food to stick together during swallowing.

Which one of the following is considered an accessory digestive organ?

The pancreatic ducts connect to the small intestine at the

"Brush border" refers to ________ found on the surface of the epithelial cells of the small intestine.

The figure above shows the organs of the digestive system (labeled A-F). Match each organ to its function. -releases bile into the duodenum

As chyme leaves the stomach, the acidic nature of the partially digested food stimulates the duodenum to release the hormone

The figure above shows the organs of the digestive system (labeled A-F). Match each organ to its function. -relies on peristalsis to move food to the stomach

Gingivitis occurs when tooth decay causes inflammation of the enamel and pulp of the tooth.