Topic 24 – Digestion, Absorption and Nutritional Metabolism

This topic uses the AIM Learning Cycle to help MBBS students understand biochemical processes of digestion and nutrition.

1. Curriculum Coverage

Biochemistry

• Composition of pancreatic secretions
• Mechanism of pancreatic enzyme secretion
• Mechanism of synthesis of bicarbonates

• Digestion of fats
• Digestion of proteins
• Digestion of carbohydrates

• Absorption of fats
• Absorption of proteins
• Absorption of carbohydrates

• Absorption of Iron
• Absorption of Vitamin B12
• Absorption of Folate

• Daily energy requirement
• Basal metabolic rate (BMR)
• Causes of high and low BMR

• Daily requirement of vitamins
• Mineral requirements

• Protein-energy malnutrition
• Adipose tissue homeostasis

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