Quiz on Bile Salts and Digestive System Physiology

What are bile salts derived from?

• Cholesterol

• Triglycerides

• Phospholipids

• Fatty acids

What is the primary function of bile salts?

• Carbohydrate metabolism

• Fat digestion and absorption

• Protein digestion

• Vitamin synthesis

Where are bile salts primarily reabsorbed in the body?

• Stomach

• Duodenum

• Colon

• Ileum

What triggers the release of cholecystokinin (CCK)?

• Presence of carbohydrates

• Presence of fat products

• Presence of water

• Presence of proteins

What is the average total amount of bile salts in the body?

• 7 to 8 g

• 1 to 2 g

• 3 to 4 g

• 5 to 6 g

What is the role of bile salts?

• To digest proteins

• To emulsify fats

• To transport fats to the blood

• To store fats

Which hormone stimulates the contraction of the gallbladder?

• Insulin

• Glucagon

• Cholecystokinin (CCK)

• Gastrin

What is the emulsifying action of bile salts primarily responsible for?

• Increasing fat digestion and solubility

• Increasing fat globule size

• Preventing fat digestion

• Decreasing fat absorption

What is the primary component of the hydrophobic core of micelles?

• Water-soluble vitamins

• Cholesterol

• Lipid-soluble substances

• Amino acids

Which system is responsible for absorbing digested fats in the small intestine?

• Lymphatic system

• Cardiovascular system

• Endocrine system

• Nervous system