ATI RN
Pediatric Endocrine Exam Questions Questions
Question 1 of 5
Potential causes of central diabetes insipidus include all of the following EXCEPT
Correct Answer: D
Rationale: Graves disease (thyroid-related) does not cause central diabetes insipidus; others affect the pituitary or hypothalamus.
Question 2 of 5
The antimicrosomal antibodies noted in lymphocytic thyroiditis are central to its etiology but have been renamed
Correct Answer: B
Rationale: Antimicrosomal antibodies are now called thyroid peroxidase (TPO) antibodies, key in lymphocytic thyroiditis.
Question 3 of 5
Noonan syndrome is associated with all of the following EXCEPT
Correct Answer: B
Rationale: Noonan syndrome is caused by gene mutations (e.g., PTPN11), not chromosomal duplication.
Question 4 of 5
You are evaluating a newborn baby with cleft palate; his mother asks you about any risk of associated congenital hypopituitarism. Of the following, this baby is MOST likely at risk for
Correct Answer: D
Rationale: Cleft palate is associated with midline defects, including congenital hypopituitarism, where growth hormone deficiency is common due to pituitary maldevelopment. Hypothyroidism (A) and hypogonadism (B) may occur but are less frequent; hypoprolactinemia (C) and ADH deficiency (D) are not typically linked.
Question 5 of 5
You are going to treat a 7-year-old boy with type 1 diabetes mellitus who develops DKA due to a recent infection. Examination reveals severe dehydration and deep acidotic breathing. Lab investigations shows: blood glucose, 450 mg/dL; blood pH, 7.2; and serum bicarbonate concentration, 14 mEq/L. Which of the following should be avoided during the treatment of this girl?
Correct Answer: C
Rationale: Bicarbonate is generally avoided in DKA treatment unless pH is critically low (<6.9), as it may worsen cerebral edema or cause paradoxic acidosis. Lactated Ringer (A), glucose (B) later in treatment, insulin (D), and potassium (E) are standard components.