A 1-Year-Old Child with Cretinism Has Been Receiving 8 Mcg/kg/day

A 1-year-old child with cretinism has been receiving 8 mcg/kg/day of levothyroxine [Synthroid]. The child comes to the clinic for a well-child checkup. The nurse will expect the provider to:

A) change the dose of levothyroxine to 6 mcg/kg/day.
B) discontinue the drug if the child's physical and mental development are normal.
C) increase the dose to accommodate the child's increased growth.
D) stop the drug for 4 weeks and check the child's TSH level.