ALL IMPORTANT DIGESTIVE

COOKED

Ingestion describes

taking food into the mouth

Propulsion

process of moving food through the alimentary canal

Deglutination (also known as swallowing) is completely

voluntary

Absorption

passage of digested end product (small intestine)

Peristalsis

Propels the food along the entire length of the intestine with muscle contractions

Segmentation

mixing & churning of food

What is digested AND absorbed?

carbohydrates, lipids, proteins

What is typically absorbed WITHOUT digestion?

Vitamins and water

Pancreatic juice consists of

water and mucous

Which cranial nerve(s) control the MOTOR area of the tongue?

Cranial Nerve XII (Hypoglossal)

What cranial nerve(s) control the SENSORY area of the tongue?

CN 7,9, 10 (facial, vagus, glossopharyngeal)

Salivary amylase digests

carbohydrates

Lingual lipase digests

lipids

The oral cavity ONLY digests

carbohydrates and lipids

The stomach ONLY digests

protein and residual carbohydrates/lipids

Which hormones are excitatory?

All of the above

Gastrin

produces more acid to initiate digestion

Histamine

Secretes HCl

Motilin

Increases muscle contractions

Which of the following hormones are inhibitory?

All of the above

Somastatin

Inhibits gastrin and insulin

Cholecystokinin

Inhibits gastrin

Secretin

enhances pancreatin secretion

Which of the specific areas is known for chemical digestion and nutrient absorption

Jejunum

The duodenum is known as the

Mixing bowl, also has secretions from pancreas, liver, and gallbladder

True or False: The large intestine has intestinal digestions.

False