ATI RN
Pediatric Endocrine System Questions
Question 1 of 5
The signs and symptoms of congenital adrenal hyperplasia (salt wasting form of the disease) caused by 21-hydroxylase deficiency typically first develop in affected infants at approximately
Correct Answer: B
Rationale: Salt-wasting CAH symptoms typically appear at 1-2 weeks (B) due to aldosterone deficiency.
Question 2 of 5
True gynecomastia is characterized by the presence of a palpable fibroglandular mass (located concentrically beneath the nipple and areolar region) at least
Correct Answer: D
Rationale: True gynecomastia requires a mass ≥2 cm (D) to distinguish from pseudogynecomastia.
Question 3 of 5
The 47,XXX (trisomy) chromosomal constitution is the most frequent extra-X chromosome abnormality in females, occurring in almost 1 in 1,000 liveborn females. It is characterized by the following EXCEPT
Correct Answer: C
Rationale: 47,XXX females typically have normal sexual development (not delayed, C).
Question 4 of 5
The following factors are implicated in the pathogenesis of type 1 DM EXCEPT
Correct Answer: D
Rationale: Excessive infection exposure (D) is not a risk factor; limited exposure may increase autoimmunity risk.
Question 5 of 5
Any child with diabetic ketoacidosis (DKA) can be easily transitioned to oral intake and subcutaneous insulin when the following criteria are found EXCEPT
Correct Answer: B
Rationale: Transition requires pH >7.30 (not 7.25, B) to ensure acidosis resolution.