Digestive System

Question 1

What are the 4 main functions of the digestive system?

Answer 1

Ingestion. Digestion. Absorption. Elimination.

Question 2

What is peristalsis?

Answer 2

The smooth muscle contracts in pulsating waves, pushing the contents along in a single direction.

Question 3

What is a bolus?

Answer 3

A mouthful of food in the process of being chewed.

Question 4

What is salivary amylase?

Answer 4

The enzyme produced by the salivary glands that turns starch into sugar, beginning chemical digestion.

Question 5

Name the 11 digestive system organs

Answer 5

Mouth. Pharynx. Oesophagus. Stomach. Duodenum. Jejunum. Ileum. Caecum. Colon. Rectum. Anus.

Question 6

What are the accessory organs of the digestive system?

Answer 6

Salivary glands. Liver. Gall Bladder. Pancreas.

Question 7

What is chyme?

Answer 7

When the bolus is churned in the gastric acid, it turns into an oatmeal like paste

Question 8

What changes take place in gastrointestinal tract during pregnancy

Answer 8

Increased appetite and thirst. Food cravings and aversions (decreased sensitivity of taste buds). Inflamed gums.

Question 9

What changes take place in Oesophagus during pregnancy?

Answer 9

Heartburn (increased abdominal pressure and relaxing effect of progesterone).

Question 10

What changes take place in stomach during pregnancy?

Answer 10

Nausea and Vomiting (decreased gastric secretion and motility and rising levels of hCG)

Question 11

Bile production is an example of which type of nervous system?

Answer 11

Somatic nervous system