Which of these nutrients is absorbed mainly in the

ATI LPN

ATI LPN Test Bank

Which of these nutrients is absorbed mainly in the duodenum?

A. glucose B. iron C. sodium D. water

Correct Answer: B

Rationale: Iron is primarily absorbed in the duodenum.

The __________ teeth are used for crushing or grinding food.

A. incisors B. molars C. bicuspids D. canines

Correct Answer: B

Rationale: Molars are designed for grinding.

The enzyme pepsin digests

A. vitamins B. carbohydrates C. proteins D. lipids

Correct Answer: C

Rationale: Pepsin breaks down proteins.

The enzyme amylase helps to digest

A. carbohydrates B. fats C. proteins D. lipids

Correct Answer: A

Rationale: Amylase digests starches.

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