DHO Digestive System

The bony structure that forms the roof of the mouth is the:

• Soft Palate

• Hard Palate

• Maxilla

• Mandible

WHICH OF THE FOLLOWING IS NOT A PAIR OF SALIVARY GLANDS?

• PAROTID

• SUBLINGUAL

• SUBMANDIBULAR

• SUBMAXILLARY

THE FOLDS IN THE MUCOUS MEMBRANE LINING OF THE STOMACH ARE CALLED:

• RUGAE

• VILLI

• CILIA

• SPHINCTERS

THE CIRCULAR MUSCLE BETWEEN THE STOMACH AND THE SMALL INTESTINE THAT KEEPS FOOD IN THE STOMACH IS THE:

• CARDIAC SPHINCTER

• DUODENAL SPHINCTER

• ANAL SPHINCTER

• PYLORIC SPHINCTER

THE ENZYME IN THE STOMACH THAT BEGINS THE CHEMICAL BREAKDOWN OF FATS IS _______________________________.

• PEPSIN

• AMYLASE

• RENNIN

• LIPASE

HYDROCHLORIC ACID IN THE GASTRIC JUICE IS RESPONSIBLE FOR:

• KILLING BACTERIA

• FACILITATING THE ABSORPTION OF IRON

• ACTIVATING THE ENZYME PEPSIN

• ALL OF THE ABOVE

INTESTINAL JUICE PRODUCED BY THE SMALL INTESTINE CONTAINS THE ENZYME:

• AMYLASE

• LACTASE

• RENNIN

• ALL OF THE ABOVE

THE FIRST SECTION OF THE LARGE INTESTINE IS THE _________________________________.

• ASCENDING COLON

• DESCENDING COLON

• CECUM

• SIGMOID

THE WALLS OF THE SMALL INTESTINE ARE LINED WITH FINGERLIKE PROJECTIONS CALLED:

• LACTEALS

• CAPILLARIES

• VILLI

• RUGAE

THE ENZYME FROM PANCREATIC JUICE THAT ACTS ON SUGARS IS _________________________.

• LIPASE

• AMYLASE

• TRYPSIN

• CHYMOTRYPSIN