Evolve Nutrition Practice Exam 2025 - Free Nutrition Practice Questions and Study Guide

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What is the primary reason for growth failure in a child with cystic fibrosis?

Insufficient exercise

Impaired digestion and absorption

Growth failure in a child with cystic fibrosis primarily stems from impaired digestion and absorption. This condition results from the thick, sticky mucus that obstructs the pancreatic ducts, hindering the release of digestive enzymes necessary for breaking down nutrients. Consequently, children with cystic fibrosis struggle to absorb essential nutrients from their food, leading to malnutrition and subsequent growth issues.

Despite their potentially high calorie intake due to increased energy needs and appetite, the inability to digest and absorb food efficiently means that their bodies do not gain the necessary nutrients to support growth and development. This is why addressing pancreatic function and nutritional needs is crucial in managing cystic fibrosis and promoting healthy growth in affected children.

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Excessive calorie intake

Genetic mutations

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