The parent of 2-week-old Sarah asks the nurse if Sarah needs fluoride supplements, because she is exclusively breast-fed. The nurse's best response is which of the following?

Correct Answer: C

Rationale: Fluoride supplementation is recommended by the American Academy of Pediatrics beginning at age 6 months if the child is not drinking adequate amounts of fluoridated water.

Correct Answer: B

Rationale: Pneumatosis intestinalis is a hallmark sign of necrotizing enterocolitis (NEC), characterized by gas within the bowel wall.

Correct Answer: B

Rationale: Food aversion is a psychological reaction, not a common cause of adverse food reactions.

Correct Answer: B

Rationale: Gardner syndrome does not typically increase radiation sensitivity, whereas the other conditions involve DNA repair defects or chromosomal instability.

Correct Answer: D

Rationale: Gastric lavage is contraindicated in cases of altered consciousness, hydrocarbon ingestion, and caustic substances.