A patient is suspected of having Graves' disease.Which test would be most appropriate for confirming this suspicion?
A)Thyroxine, total
B)Triiodothyronine, free
C)Thyroid-stimulating immunoglobulins (TSI)
D)Troponins I and T

Question

Quizplus · Accepted Answer

Thyroid-stimulating immunoglobulins (TSI) are antibodies that are present in Graves' disease and can confirm the diagnosis. Thyroxine and triiodothyronine levels can be elevated in Graves' disease but are not definitive tests. Troponins I and T are markers of heart damage and are not relevant to Graves' disease.

A Patient Is Suspected of Having Graves' Disease