Nutrient Digestion Etc..

Question 1

Lactose makeup?

Answer 1

glucose + galactose

Question 2

Sucrose makeup?

Answer 2

glucose + fructose

Question 3

Maltose makeup?

Answer 3

glucose and glucose

Question 4

Absorption enhanced by formation of micelles, which are?

Answer 4

bile salt + monoglyceride + FA + phospholipid

Question 5

Pathway for micelles?

Answer 5

break into FA and monoglycerides and enter cell where formed into triacyglycerols

triacylglycerols are coated with amphiphatic proteins

droplets transported through cell and through Golgi then exocytosed into extracellular fluid

form chylomicrons and pass into lacteals

Question 6

fat soluble vitamins? (4)

Answer 6

A D E K

Question 7

water soluble vitamins? (3)

Answer 7

B C Folic acid

Question 8

what happens to vitamin B12?

Answer 8

binds to intrinsic factor in stomach to form complex which is absorbed via specific transport mechanism in distal ileum

Question 9

what is high in sympathetic a1 salivary secretion?

Answer 9

mucus content

Question 10

what is high in sympathetic b1 salivary production?

Answer 10

amylase content

Question 11

what comes from chief cells?

Answer 11

pepsinogens

Question 12

what comes from parietal cells?

Answer 12

HCI and Intrinsic factor

Question 13

what are bile acids conjugated with?

Answer 13

glycine or taurine

Question 14

what relaxes sphincter of oddi?

Answer 14

CCK