ATI RN
Endocrine System Pediatric Questions
Question 1 of 5
Physiologic factors play a role in stimulating and inhibiting growth hormone (GH). One of the following inhibit GH release
Correct Answer: C
Rationale: Hyperglycemia (C) inhibits GH release, while sleep (A), exercise (B), and fasting (E) stimulate it; acute illness (D) can vary.
Question 2 of 5
All the following are true in premature thelarche EXCEPT
Correct Answer: D
Rationale: Premature thelarche (A-D true) typically resolves before puberty, not persists (E).
Question 3 of 5
The cord serum T4 is decreased in proportion to gestational age and birthweight. The serum T4 gradually increases and enters the T4 range seen in term infants by the age of
Correct Answer: C
Rationale: Preterm infants’ T4 normalizes by 6 weeks (C) with maturation.
Question 4 of 5
Antithyroid antibodies develop and subclinical or overt hypothyroidism occurs in the following conditions EXCEPT
Correct Answer: D
Rationale: Williams syndrome (E) is not typically associated with hypothyroidism; others (A-D) are.
Question 5 of 5
Endemic cretinism is the most serious consequence of iodine deficiency; it includes two different but overlapping syndromes: a neurologic type and a myxedematous type. The neurologic syndrome is characterized by the following EXCEPT
Correct Answer: D
Rationale: Delayed puberty (E) is more typical of myxedematous cretinism, not the neurologic type.