Ace the 2025 ATI Pathophysiology Test – Dive Into Disease with Confidence!

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Question: 1 / 400

Which nutrient's absorption is primarily carried out in the small intestine?

Protein

Fats

Carbohydrates

All of the above

The absorption of nutrients occurs mainly in the small intestine, which is designed for efficient uptake of various macronutrients.

Proteins are broken down into amino acids during digestion, and these amino acids are absorbed through the intestinal lining into the bloodstream. Similarly, carbohydrates, which are initially broken down into simple sugars such as glucose, are also absorbed in the small intestine. Fats undergo emulsification by bile salts and are then digested into fatty acids and glycerol before being absorbed.

While each of these macronutrients undergoes specific digestive processes, their primary site of absorption is indeed the small intestine. This makes the option indicating that all of these nutrients are absorbed there the most accurate choice.

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