1 MCQs in Pediatrics for NEET PG
A 6-week-old female infant presents to the emergency department with generalized tonic-clonic seizures, irritability, and muscle spasms that do not respond to intravenous calcium gluconate boluses. Serum magnesium is 0.3 mg/dL (normal 1.7–2.4), serum calcium is 6.2 mg/dL, and PTH is inappropriately low. Genetic testing reveals a homozygous loss-of-function mutation in the locus marked **A** on the karyotype. Which of the following best explains the pathophysiology of this infant's secondary hypocalcemia?
Ready to test yourself?
Test your Pediatrics knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 Familial Hypomagnesemia with Secondary Hypocalcemia (TRPM6) MCQs with AI-powered explanations tailored to your performance.
Create Free Account