liver

Question 1

What is metabolism?

Answer 1

Metabolism refers to the chemical processes within a living organism necessary for life, including anabolism and catabolism.

Question 2

How does liver anatomy support its metabolic functions?

Answer 2

The liver’s large size, regenerative ability, and portal blood supply maximize surface area and support its metabolic roles.

Question 3

What are some major functions of the liver?

Answer 3

Digestion, excretion, energy metabolism, immunity, hormone production, plasma protein synthesis, and detoxification.

Question 4

How does the liver contribute to nutrient metabolism?

Answer 4

It stores glycogen, synthesizes glucose, processes fats, and regulates plasma protein and cholesterol levels.

Question 5

What is the liver’s role in drug metabolism?

Answer 5

The liver biotransforms drugs through Phase I (oxidation, reduction) and Phase II (conjugation) reactions for detoxification and excretion.

Question 6

How does liver dysfunction affect metabolism?

Answer 6

Impaired liver function disrupts metabolism of nutrients and drugs, leading to metabolic diseases and conditions like fatty liver disease or cirrhosis.