ATI RN
Pediatric Endocrine System Questions
Question 1 of 5
Precocious puberty in girls is defined by the onset of secondary sexual characteristics before the age of
Correct Answer: B
Rationale: Precocious puberty in girls is defined as onset before age 8 (B), per endocrine guidelines.
Question 2 of 5
Levothyroxine (I-T4) given orally is the treatment of choice in congenital hypothyroidism. The recommended initial starting dose is
Correct Answer: D
Rationale: Initial dose for congenital hypothyroidism is 10-15 μg/kg/day (E) to normalize T4 quickly.
Question 3 of 5
Chronic lymphocytic thyroiditis is the most common cause of acquired hypothyroidism, with or without goiter. All the following are true EXCEPT
Correct Answer: D
Rationale: The clinical course of chronic lymphocytic thyroiditis (Hashimoto’s) varies (not constant, D), with remission and progression possible.
Question 4 of 5
Hypocalcemia is common in neonates between 12 and 72 hr of life, especially in infants with
Correct Answer: D
Rationale: Hypomagnesemia (D) strongly correlates with neonatal hypocalcemia due to impaired PTH release.
Question 5 of 5
Parathyroid crisis is manifested by the following EXCEPT
Correct Answer: B
Rationale: Progressive polyuria (B) is not typical of hypercalcemic crisis; it’s more associated with diabetes insipidus.