M1.1

Question 1

Where does conversion of conjugated bilirubin to meso bilirubin happen?

Answer 1

Small intestine

Question 2

Mesobilirubin will be reduced to ___?

Answer 2

Meso-bilirubinogen

Question 3

Meso-bilirubinogen will be converted to ___?

Answer 3

Urobilinogen

Question 4

Urobilinogen will be converted to ___?

Answer 4

Stercobilin and Urobilin

Question 5

Where does oxidation of urobilinogen to stercobilin happen?

Answer 5

Large intestine

Question 6

Responsible for its oxidation?

Answer 6

Bacteria

Question 7

Are bacteria normal flora in the part of the intestine?

Answer 7

Yes

Question 8

What will happen to the remaining urobilinogen?

Answer 8

It will be absorbed by the small intestine then will go back to circulation. Other portions will go to the liver for recycling and others will go to the blood then filtered by the kidneys. Then it will be excreted in the form of urobilin.

Question 9

Between stercobilin and urobilin, which has more conversion of urobilinogen?

Answer 9

Stercobilin

Question 10

Ultimate end products of bilirubin metabolism?

Answer 10

Stercobilin and urobilin

Question 11

What is the role of urobilin?

Answer 11

It gives color. Its color is yellow. But urine is pale straw.

Question 12

What is the role of stercobilin?