Bile

Bile

Question 1. Functions of bile.
Answer:

bile Functions:

1. Functions of bile salts of bile.

• Help in digestion and absorption of fats.
• Help in absorption of fat soluble vitamins.
• Act as laxatives.
• Prevent gallstone formation.
• Have choleretive and cholagogue action.

“Understanding bile through FAQs: Composition, functions, and uses explained”

2. Neutralization of acid.

• Bile contains alkali which neutralized the acidic chyme.

3. Excretion.

• Bile excretes.
• Bile pigments.
• Drugs, toxins, hormones.
• Cholesterol, lecithin.
• Alkaline phosphates.

4. Antiseptic.

• Bile inhibits the growth of bacteria by its detergent action.

“Importance of studying bile for medical students: Questions explained”

5. Lubrication function.

• The mucin in bile acts as a lubricant for the chyme in intestine.

Enterohepatic circulation of bile salts

Question 2. Functions of liver.
Answer:

Functions:

1. Storage function.

• Liver stores glycogen, fat, protein, vitamin A and B12, iron, folic acid and amino acid.

2. Synthetic function.

• Liver synthesizes.
  1. Most of the plasma proteins.
  2. Some of the clotting factors.
  3. Enzymes.
  4. Cholesterol.

“Common challenges in mastering bile notes effectively: FAQs provided”

3. Secretory function.

• Liver secretes bile.

4. Metabolic function.

• Liver helps in the metabolism of carbohydrates, proteins and fats.

5. Excretory function.

• Liver excretes.
  1. Cholesterol, bile pigments.
  2. Heavy metals like lead, arsenic.
  3. Detoxified drugs.
  4. Bacteria.
  5. Hormones like thryroid, steroid hormone.

Bile storage in gallbladder

6. Hemopoietic function.

• In fetal life, liver produces RBC.
• It stores.
  1. Vit B₁₂ – for erythropoiesis.
  2. Iron- for haemoglobin.
• It produces thrombopoietin for production of thrombocytes.

“Factors influencing success with bile studies: Q&A”

7. Hemolytic function.

• Senile RBC are destroyed in liver.

8. Heat production.

• Liver is a site for many metabolic reactions thus enormous amount of heat is produced.

9. Inactivation of hormones and drugs.

• Catabolises hormones.
• Inactivates fat soluble drugs.

“Steps to explain the composition of bile: Bile salts vs bilirubin vs cholesterol: Q&A guide”

10. Body defence.

• Kupffer cells destroy the bacteria entering portal circulation.

11. Detoxification.

• Liver cells are involved in removal of toxic property of various harmful substances.