Clinical Nutritionist Practice Test 2026 - Free Practice Questions and Study Guide

Question: 1 / 400

Which mechanism can drugs use to alter nutrient metabolism?

Stimulating appetite

Changing gastrointestinal tract length

Competing for enzyme systems

The mechanism where drugs can alter nutrient metabolism by competing for enzyme systems is significant because enzymes play a crucial role in facilitating biochemical reactions, including the metabolism of nutrients. When drugs compete for the same enzyme systems, they can inhibit or enhance the breakdown and utilization of various nutrients, leading to altered nutrient levels within the body. This interaction can affect how well the body processes carbohydrates, fats, and proteins, ultimately impacting overall nutrient availability and metabolism.

For example, certain drugs may inhibit enzymes responsible for the digestion of fats, leading to impaired fat metabolism, or they may interfere with enzymes involved in carbohydrate metabolism, affecting blood sugar levels. Understanding this mechanism is essential for clinical nutritionists, as they must consider the impact of medications on a patient's nutritional status and metabolism when developing dietary recommendations or treatment plans.

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Inhibit nutrient absorption

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