Exam 8: Digestive System and Nutrition

Smooth muscles in the stomach are capable of mechanical digestion.

The broad band of loose connective tissue beneath the mucosa that contains blood vessels, lymph, and nerves is called the

What prevents food from entering the nasal cavities?

The small intestine is longer than the large intestine.

The stomach is bounded on both ends by a sphincter.

A diet rich in what vitamins may reduce the chance of free radicals that can cause health problems?

The fleshy extension of the soft palate is known as the

A deficiency in which mineral leads to thyroid deficiency?

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

When Sheree opened the abdominal cavity of her preserved frog, it seemed to be filled with a dark brown organ. This is the

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

Why is it necessary to include some carbohydrates in the diet?

Muscles that encircle tubes and act as circular valves are called

Which of following is not considered an accessory organ of the digestive system?

What greatly increases the capacity of the stomach?

The layers of the gastrointestinal tract wall from the inside layer outward in order are

What is the major function of the colon?

Explain the events of swallowing.

Why is the pancreas both an endocrine and an exocrine gland?

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