biology assignment 5a

Which accessory organ of the digestive system processes and stores nutrients, as well as produces bile?

liver

Tooth decay is caused by _____________________.

bacteria within the mouth metabolizing sugar

Swallowing consists of both a voluntary phase and a reflex action.

True

What enzyme initiates the process of starch digestion in the mouth?

salivary amylase

Mr. Staub was rushed to the hospital because he had intense pain in his chest. After running tests on Mr. Staub, doctors determined that he was not suffering from a heart attack but from ________________.

gastroesophageal reflux disease (GERD)

The process that pushes food through the esophagus is called __________________.

peristalsis.

The thick, soupy liquid of partially digested food that leaves the stomach is called _____________.

chyme

The small intestine is longer than the large intestine.

true

Which of the enzyme-substrate pairings is correct?

lipase-fats

What serves as an emulsifying agent for fats in the small intestine?

bile

The small lymphatic capillaries that reside in the small intestine and absorb fats are known as ______________.

lacteals

Which of the following is produced by the pancreas?

sodium bicarbonate

A serious genetic disorder known as hemochromatosis is often called the rusty organ disease and affects nearly 1.5 million Americans. The disorder causes increased absorption of intestinal iron. Which organ is responsible for iron homeostasis?

liver

Which of the following is a digestive hormone that causes the gallbladder to release stored bile?

CCK

The portions of the large intestine include the ________________________.

cecum, colon, rectum, and anus

What is one benefit of normal flora in the large intestine?

they produce vitamin B

Small growths arising from the epithelial lining of the colon are called ________________.

polyps

The following are functions of the liver. Select the exception.

Digests nucleic acids.

Pepsin is an enzyme that digests proteins at acidic pH. Therefore, it must act in the ______________.

stomach

_____________ digestion occurs in the esophagus. 

No digestion occurs in the esophagus