Multiple Choice
What happens to most of the secreted T4?
A) It is phagocytized by target tissues.
B) It is converted into T3 after being peripherally stripped of one of its I atoms.
C) It becomes the major biologically active form of thyroid hormone at the cellular level.
D) It is split to form two DIT molecules, which are excreted in the urine.
Correct Answer:

Verified
Correct Answer:
Verified
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