15th ITC Flashcards by Black RoSe

Q

What does DR4 stand for?

A

Direct repeat 4

4 nucleotides between binding elements

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Q

Which receptor regulates TSH in pituitary?

A

TR beta

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Q

What is better to measure in pregnancy - free or total thyroxine?

A

Total thyroxine (should be 1.5 X normal in pregnancy)

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Q

Radioactive iodine ablation can cause induction of eye disease in Graves’ disease.

True or false?

A

True

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Q

When pre-treated with potassium iodine then there is less blood loss in thyroidectomy for Graves’ disease.

True or false?

A

True

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Q

What happens to the alpha myosin heavy chain levels in hypothyroidism?

A

Decreases causing depressed LVEF (myopathy)

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