ATI RN
Pediatric Musculoskeletal Assessment Questions
Question 1 of 5
In a child with hypernatremic dehydration, the first priority is restoration of intravascular volume by
Correct Answer: B
Rationale: Normal saline (0.9% NaCl) is used to restore intravascular volume safely in hypernatremic dehydration before correcting sodium levels gradually.
Question 2 of 5
Medications that cause renal losses of magnesium include all the following EXCEPT
Correct Answer: D
Rationale: Proton pump inhibitors do not directly cause renal magnesium loss; others (e.g., amphotericin, cisplatin) affect tubular reabsorption.
Question 3 of 5
Treatment of hypermagnesmia include all the following EXCEPT
Correct Answer: C
Rationale: Kayexalate treats hyperkalemia, not hypermagnesemia; hydration, diuretics, and calcium gluconate address magnesium excess.
Question 4 of 5
Metabolic alkalosis with urinary chloride >20 meq/l occurs in
Correct Answer: A
Rationale: Loop diuretics cause metabolic alkalosis with high urinary chloride (>20 mEq/L) due to chloride loss.
Question 5 of 5
Measuring serum concentrations of renin and aldosterone differentiates children with metabolic alkalosis; both renin and aldosterone are elevated in
Correct Answer: A
Rationale: Renovascular disease increases renin and aldosterone due to reduced renal perfusion.