ATI RN
Pediatric Endocrine Exam Questions Questions
Question 1 of 5
The upper-to-lower segment ratio is one of methods for growth assessment that changes with age. Of the following, this ratio becomes 1:1 at the age of
Correct Answer: D
Rationale: The upper-to-lower segment ratio decreases with age, reaching approximately 1:1 around 10 years as leg growth outpaces trunk growth, a normal developmental milestone.
Question 2 of 5
You are examining a 10-month-old male infant during a routine visit; you find that he has wide wrists. He is still breast fed. X-ray of the wrist joint shows signs of rickets. Of the following, the BEST reflection of vitamin D deficiency is
Correct Answer: D
Rationale: Serum 25-hydroxyvitamin D is the best indicator of vitamin D status, reflecting stores and deficiency in rickets. Calcium (A), phosphate (B), PTH (C), and 1,25-hydroxyvitamin D (D) are affected but less direct measures.
Question 3 of 5
A 7-year-old boy is going to undergo orthopedic surgery for right total hip replacement; he has been diagnosed with Addison disease 2 years ago and he is on replacement therapy by hydrocortisone since that time. Of the following, the MOST important step in the management of this boy is
Correct Answer: D
Rationale: In Addison disease, surgery is a stress requiring increased hydrocortisone (stress dosing) to prevent adrenal crisis, making it the most important step. Monitoring (A), fludrocortisone (B), and fluids (E) are supportive, and surgery (C) proceeds after stabilization.
Question 4 of 5
Autosomal recessive PKD is characterized by which of the following?
Correct Answer: C
Rationale: Autosomal recessive PKD is characterized by marked bilateral renal enlargement, interstitial fibrosis, and early kidney failure, often with hepatic fibrosis leading to portal hypertension.
Question 5 of 5
The prognosis of glycogen storage diseases is good in
Correct Answer: D
Rationale: Type V (McArdle) has a good prognosis as it primarily causes exercise intolerance without systemic failure. Type 1a (A) and 1b (B) require careful management, type II (C) is fatal without treatment, and type IV (D) progresses to liver failure.