In primary hyposecretion of thyroid hormones,
a. levels of thyroid hormones in the blood decrease.
b. levels of TRH in the blood decrease.
c. levels of TSH in the blood decrease.
d. all of the above are true.
e. non of the above is true.
Ans: a. levels of thyroid hormones in the blood decrease.
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What will be an ideal response?
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