NBME Free 120 Thyroid-stimulating hormone: decreased; Total thyroxine (T4): increased; Free thyroxine: increased; Thyroid-binding globulin: normal (NBME Answers)

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NBME Free 120 Answers

free120/Block 2/Question#9 (reveal difficulty score)
A 42-year-old woman comes to the physician ...
Thyroid-stimulating hormone: decreased;
Total thyroxine (T₄): increased;
Free thyroxine: increased;
Thyroid-binding globulin: normal 🔍 / 📺 / 🌳 / 📖
tags:

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submitted by ∗bwdc(697)

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The effects of excess thyroid hormone: attempted compensatory TSH suppression, increase in both T4 and free T4, and normal TBG. Note that the question doesn’t even hinge on TBG and is also unlikely to on the real thing.

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d_holles When do we care about TBG? +1

zpatel @d_holles in pregnancy. +2

chj1302 Cortisol，Nephrotic syndrome +

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