6 - The Liver and Metabolic Homeostasis

Question 1

liver lobules

Answer 1

basic functional units of the liver

Question 2

Kupffer cells

Answer 2

macrophages in the liver

Question 3

bile formation

Answer 3

• Comprised of water, bile salts, bilirubin, and cholesterol
• Bile salts help absorb dietary fats and fat-soluble vitamins from the small intestine (95% are returned to the liver through the hepatic portal vein)

Question 4

bile salts

Answer 4

compounds in bile that aid in emulsification

Question 5

bile pigments

Answer 5

waste products from the breakdown of haem group of haemoglobin

Question 6

what colour is bilirubin?

Answer 6

yellow

Question 7

Functions of the liver

Answer 7

bile production, storage, nutrient interconversion, detoxification, phagocytosis, synthesis

Question 8

Glycogenesis

Answer 8

glucose to glycogen

Question 9

Glycogenolysis

Answer 9

breakdown of glycogen to glucose

Question 10

Gluconeogenesis

Answer 10

formation of glucose from noncarbohydrate sources

Question 11

Lipolysis in postabsorptive state

Answer 11

adipocytes release fatty acids into blood

Question 12

Lipogenesis in absorptive state

Answer 12

stores triglycerides in adipocytes and hepatocytes

Question 13

Catabolism

Answer 13

Metabolic pathways that break down molecules, releasing energy.

Question 14

Anabolism

Answer 14

Metabolic pathways that construct molecules, requiring energy.