15th ITC Flashcards
1
Q
What does DR4 stand for?
A
Direct repeat 4
4 nucleotides between binding elements
2
Q
Which receptor regulates TSH in pituitary?
A
TR beta
3
Q
What is better to measure in pregnancy - free or total thyroxine?
A
Total thyroxine (should be 1.5 X normal in pregnancy)
4
Q
Radioactive iodine ablation can cause induction of eye disease in Graves’ disease.
True or false?
A
True
5
Q
When pre-treated with potassium iodine then there is less blood loss in thyroidectomy for Graves’ disease.
True or false?
A
True
6
Q
What happens to the alpha myosin heavy chain levels in hypothyroidism?
A
Decreases causing depressed LVEF (myopathy)
