Essential Biochemistry - Organ Function Tests (Section 2 - No. 24)
What is the main indicator of hypothyroidism?
Elevated levels of free T4
Elevated levels of TSH
Decreased levels of free T4 and elevated levels of TSH
Decreased levels of free T3 and normal levels of TSH
Giải thích
Hypothyroidism is characterized by decreased levels of free T4 and elevated levels of TSH.