ATI RN
Pediatric Musculoskeletal Disorders Quizlet Questions
Question 1 of 4
Spurious hyperkalemia or pseudohyperkalemia in children is usually exaggerated by
Correct Answer: C
Rationale: Thrombocytosis causes pseudohyperkalemia by releasing potassium from platelets during clotting in vitro, not reflecting true serum levels.
Question 2 of 4
Systemic calcification occurs when plasma calcium \times plasma phosphorus, both measured in \mathrm{mg} / \mathrm{dL} is
Correct Answer: C
Rationale: A calcium-phosphorus product >70 mg²/dL² risks systemic calcification, especially in renal disease.
Question 3 of 4
Contraction alkalosis occurs in
Correct Answer: B
Rationale: Diuretic use causes contraction alkalosis by reducing ECF volume, concentrating bicarbonate.
Question 4 of 4
CNS manifestations of respiratory alkalosis include
Correct Answer: D
Rationale: Paresthesia is a common CNS symptom of respiratory alkalosis due to cerebral vasoconstriction.