Yī / shēng / tōng / guò / jiǎn / chá / què / rèn / tā / de / jiǎ / zhuàng / páng / xiàn / gōng / néng / zhèng / cháng。

医生通过检查确认他的甲状旁腺功能正常。

The doctor confirmed through tests that his parathyroid function was normal.