Digestive Test Review 1

Each of the following is a component of the digestive tract except one. Identify the exception.

• spleen

• colon

• stomach

• esophagus

• pharynx

Which of the following is an accessory organ of digestion?

• pancreas

• spleen

• stomach

• esophagus

• colon

Contractions of the _____ layer of the intestinal wall function to change the shape of the intestinal lumen and moves food its length.

• muscularis

• mucosa

• submucosa

• serosa

• adventitia

Large blood vessels and lymphatic tissue are found in the

• submucosa

• adventita

• mucosa

• muscularis

• serosa

Waves of muscular contractions that propel the contents of the digestive tract from one point to another are called

• peristalsis

• segmentations

• mastications

• churning movements

____ pairs of salivary glands secrete into the oral cavity

• 5

• 1

• 2

• 3

• 4

Secretions from the salivary glands...

• help control bacterial populations in the mouth

• help to lubricate the oral cavity

• are mostly digestive enzymes

• all of these

Functions of the stomach include

• denaturation of proteins

• storage of recently ingested food

• initiation of protein digestion

• mechanical breakdown of food

• all of these

The prominent ridges in the lining of the stomach are called

• rugae

• papillae

• villi

• plicae

The enzyme pepsin digests

• protein

• carbohydrates

• lipids

• vitamins

• nucleic acids