A two-month-old infant is admitted to the hospital with a diagnosis of failure to thrive (FTT). The ...

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Rationale 1: Adding too much water to formula concentrate will lead to inadequate caloric intake and could lead to a diagnosis of FTT.
Rationale 2: Parental neglect should be evaluated in a baby that is not gaining weight adequately.
Rationale 3: Rumination involves regurgitation of recently ingested food followed by re-chewing and re-swallowing. It is often associated with sensory deprivation and may result in growth failure.
Rationale 4: Malabsorption syndromes, such as cystic fibrosis, can cause nutrients to be excreted instead of absorbed.
Rationale 5: Pica is an eating disorder characterized by ingestion of nonfood items. It would not be an issue in a two-month-old infant.
Global Rationale: