ATI RN
Endocrine System in Pediatrics Questions
Question 1 of 5
The MOST common cause of permanent congenital hypothyroidism is
Correct Answer: B
Rationale: Thyroid dysgenesis (B) accounts for 80-85% of congenital hypothyroidism cases.
Question 2 of 5
Thyroid peroxidase antibodies are absent in the following thyroiditis syndrome
Correct Answer: C
Rationale: Painful subacute thyroiditis (C) is typically viral, not autoimmune, so TPO antibodies are absent.
Question 3 of 5
Aplasia or hypoplasia of the parathyroid glands is often associated with the DiGeorge/velocardiofacial syndrome. All the following regarding this syndrome are true EXCEPT
Correct Answer: D
Rationale: Hypocalcemia in DiGeorge syndrome is usually neonatal and transient (C), not typically delayed (D).
Question 4 of 5
The MOST consistent and characteristic radiographic finding of primary hyperparathyroidism is
Correct Answer: D
Rationale: Subperiosteal bone resorption (D) is the hallmark radiographic sign of primary hyperparathyroidism.
Question 5 of 5
The clinical presentation of adrenal insufficiency depends on the age of the patient, the usual presentation of adrenal insufficiency in infancy is
Correct Answer: D
Rationale: Hypoglycemia (D) is a hallmark of adrenal insufficiency in infants due to cortisol deficiency.