Digestive System 2: Assimilation etc (F4 BIO CHP 9)

Name this structure

• duodenum

• jejunum

• ileum

• caecum

Name this structure

• ileum

• jejunum

• duodenum

• caecum

What is the function of the large intestine?

• The absorption of water and some vitamins, formation and storage of faeces

• The absorption of nutrients

• The digestion of fats

• Transport the nutrients to the blood stream

Liver plays important roles in assimilation of digested food:

• converts excess glucose into glycogen for storage

• synthesises plasma proteins

• carries out deamination

• breaks down lipids into fatty acids and glycerols

• carries out detoxification

Which vessel transport absorbed nutrients from small intestine to liver?

• hepatic vein

• hepatic artery

• hepatic portal vein

• thoracic duct

During deamination,

• excess amino acids are broken down

• urea is formed

• excess amino acids are excreted through kidney

• amino group is retained

• carboxyl group is retained

Faeces is temporarily stored in ________. It is forced out through ______ by _____________ of rectum muscle and ___________ of anal sphincter.

• rectum, anus, relaxation, contraction

• rectum, anus, contraction, relaxation

• caecum, rectum, contraction, relaxation

• rectum, anus, contraction, contraction

What is the energy value of the piece of chicken meat? {Specific heat capacity of water = 4.2Jg^-1oC^-1

Mass of water in boiling tube: 20.0g

Mass of chicken meat: 0.9g

Initial temperature: 29^oC

Final temperature: 80^oC

• 4.76 kJg^-1

• 4760 kJg^-1

• 3.85kJg^-1

• 3850kJg^-1

Volume of fruit juice used to decolourise 1ml DCPIP solution:

orange juice- 3.1ml

celery juice- 5.2ml

lime juice- 1.3ml

dragronfruit juice- 3.6ml

Which juice contains highest Vitamin C content?

• orange

• celery

• lime

• dragonfruit

Which of the following true about gastric bypass surgery?

• causes malabsorption and nutritional deficiency

• reduction of stomach size

• may cause constricted oesophagus

• causes acid reflux and vomiting