A client asks how the nutrients from food enter the blood. How can the nurse best explain this process?
1. "When food hits the stomach, hydrochloric acid liquefies it and transports it into your blood."
2. "Chemical digestion breaks down food molecules into simpler substances."
3. "Only nutrients from liquid sources make it into the blood. That is why it is important to drink fluids with meals."
4. "The teeth and saliva break food into their smallest portions and transport nutrients to the blood."
Correct Answer: 2
Rationale 1: Hydrochloric acid in the stomach does not transport nutrients into the blood.
Rationale 2: Chemical digestion must break down complex food molecules into simpler substances so that they can be absorbed and used by the body for metabolic processes.
Rationale 3: Nutrients are obtained from solids and liquids.
Rationale 4: The teeth and saliva are accessories to digestion, and initiate the process.
Global Rationale: Chemical digestion must break down complex food molecules into simpler substances so that they can be absorbed and used by the body for metabolic processes. Hydrochloric acid in the stomach does not transport nutrients into the blood. Nutrients are obtained from solids and liquids. The teeth and saliva are accessories to digestion, and initiate the process.
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