9.4 Assimilation

Question 1

Nutrients that are absorbed into the blood capillaries of villus includes ?

Answer 1

Amino acids , simple sugars , vitamin B and C , minerals

Question 2

Nutrients that are absorbed into the lacteal of villus includes ?

Answer 2

Glycerol , fatty acids and Vitamin A,D,E and K

Question 3

Pathway for water-soluble nutrient starting from ileum :

Answer 3

ileum —> Hepatic portal vein —> liver —> hepatic vein —> heart —> body cells and tissues

Question 4

Pathway for fat-soluble nutrient starting from ileum :

Answer 4

ileum —> thoracic duct —> left subclavian vein —> heart —> body cells and tissue

Question 5

What will happen to excess glucose in digestion ?

Answer 5

Converted into glycogen and stored in liver and muscle cells .

Question 6

What will happen to excess amino acids in digestion ?

Answer 6

Cannot be stored , it is converted into urea through a process called deamination . It is then sent to the kidneys where it is then excreted in the urine .

Question 7

What will happen to excess lipids in digestion ?

Answer 7

Stored in the adipose tissue .

Question 8

Assimilation of glucose :

Answer 8

Glucose is used in cellular respiration to release energy .

Question 9

Assimilation of amino acids :

Answer 9

Amino acids are used to synthesis proteins such as plasma protein and prothrombin .

Question 10

Assimilation of lipids :

Answer 10

Lipids are used to synthesis about 80% of the body’s cholesterol .

Question 11

Glucose can also be converted to what ?

Answer 11

Converted to fats when there is excess glycogen .

Question 12

Lipids can be broken down to form what ?

Answer 12

Lipids can be broken down to form glucose if required .