Multiple choice

A doctor told a couple that their son is suffering from exophthalmos, in which either one or both eyeballs bulge out or protrude from the eye socket. This disease is found often associated with which of the following diseases?

  1. Hashimoto's disease

  2. Primary myxedema

  3. Graves' disease

  4. Idiopathic thrombocytopenic purpura

  5. Autoimmune haemolytic anaemia

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In Graves' disease, there is hyperthyroidism due to stimulating autoantibodies to the TSH receptor, which continuously mimic the effect of TSH but which are not subject to the feedback mechanisms which lower the level of TSH, once sufficient thyroid hormone has been produced.